Gliders and parkflyers may need much less power, 65 W/kg (30 W/lb), while the scale and aerobatics may need much more power, e. Electric rc. Low cost veterinary surgeries Oakville, We provide services like Pet Vaccination, Dental Care, Microchip, Grooming, Parasite control, Dentistry, Behaviour Conselling, etc. com (le «Site Web») et les applications FILMube et comment nous utilisons ces informations. Determine the Input Watts per Pound required to achieve the desired level of performance: Model: Hangar 9 P-51 Miss America Estimated Flying Weight w/Battery: 9. 540 - 550 (1) Turns. Reviewed in the United States on April 2, 2019. Add to Cart. 5 pound plane as our example. Screw up with a similar in appearance one pound Mini Mag, or two pound Twin Star II, both with typically one tenth of a horse-power motors, and in all likelihood all you get is a hurt finger. 50 -70 watts per pound; Minimum level of power for decent performance, good for lightly loaded slow flyer and park flyer models 70 -90 watts per pound; Trainer and slow flying scale models 90 -110 watts per pound; Sport aerobatic and fast flying scale models. One theory is that all flying airplane models should balance at a point defined as 25% of the Mean Aerodynamic Chord, with no consideration given to tail area or moment arm. 49 Ounces (5lbs) Prop Pitch Speed – 147. x 100 watts/lb. Also, please could you explain the difference in concepts between 'thrust' and power, as in watts. Politique de confidentialité FILMube. Although economical for 3-D (particularly when compared with the 200 to 250 watts per pound found in higher-end dedicated 3-D machines), it is in the ballpark for foam 3-D/aerobatic airplanes in this class. The "standard" AXI 2826-10 4S setup is around 160 watts/lb (on my 58 oz TOW plane). Tweets by @MFAKOSOVO. He had a 330-pound bench press and a 260-pound. 8V~60V 130A High Precision Power Analyzer With Backlight LCD,Battery Voltage Checker Watt Volt Amp Meter for RC Model Airplane. 1 lbs Desired Level of Performance: 130-150 watts per pound; Lightly loaded 3D models 4. AS5210: AERODYNAMIC DESIGN DESIGN OF RC AIRCRAFT. 1 HP can hold 20 lbs in the air, but that will not be enough to even spin up the propeller unless it can adjust blade pitch. The Watts per pound rule. 90-110 watts per pound: Sport aerobatic and fast-moving models. instead of thrust to weight ratio, I use watt per pound. Thrust loading (TL) is calculated: TL [lb/hp]= 8. Maybe an 11X6. That is 3D plane blast out of a hover and accelerate vertically power. Latest Apple Mobile Phones Prices in Pakistan (Islamabad, Lahore & Karachi) - Price and Specifications of new smartphones with advance technology and design. Unfortunately, adequate power alone does not guarantee success. A good guess for middling altitudes is 1100 watts from the sun. Remember, it's not the total watts that is important; it's the watts per pound. H hometown NewsOL. The STICK weighs 4. 90 to 110 watts per pound is good for fast-flying scale models and some sport aerobatic aircraft. A 200lb body will be lifted 165feet in 1 minute or 16. smokehouse plans diy queen 🎍That You Can Build Today‎ {|A wardrobe storage cabinet solves the need for an extra storage space. Email: [email protected] com for my motor and ESC needs. On brushed motors, I think it was pulling about 250 Watts for all four which worked out about 60-70 watts per pound. Reviewed in the United States on April 2, 2019. rc field box designs 🎉King'S Fine Woodworking Inc. So 9000/600 = 15 minutes of 65% continuous power usage. The second-level joists were a trick; we had to lift them with the backhoe and roll them carefully into place. Power ranges from 75-1,000 watts. I am really hoping you are able to bring the plane in under 11 pounds in an electric version. When you use an airbrush (or any form of paint spray) you atomise paint particles and vapour into the air. I think 1000W is suggested but some comments here seem to suggest that this is excessive. Like a hacker B20 and Phoenix Controller and lets say 8-10 cells of some good NiMh's like GP3300's. Choice B: Select Battery first and choose engine and Propeller in like manner. Yes, sure you can use your quad-copter motors into aeroplane but there are few things which you need to keep in mind before using it in aeroplane. The other problem with that description is that it seems right. At least if they don’t lose the plane. That is about 100 watts. Or, the plane may be able to hover and climb vertically, but not fly horizontally fast enough to remain airborne. It is quite possible to put a 100 Watt power system in a one pound (450 g) airplane and still be unable to take−off. The "Watts per Pound" sheet starts with the user providing a desired Watts per pound for a plane, along with the plane weight, propeller size and battery Voltage. 7 Watt per kg. 50 -70 watts per pound; Minimum level of power for decent performance, good for lightly loaded slow flyer and park flyer models 70 -90 watts per pound; Trainer and slow flying scale models 90 -110 watts per pound; Sport aerobatic and fast flying scale models. Weight: 6 oz. 699872 ⋅ 10hp = 7456. Power (Watts per Pound) Power Performance Style: Enter Wing Area, (sq in) General Radio Control (12) RC Airplanes (4) RC Boat (1) RC Cars/Trucks (9) Recent Articles. Most solar cells have an efficiency between 5% and 20% (a ratio to perfect efficiency of between 0. Find here quality products, trade leads, manufacturers, suppliers, exporters & international buyers. x 100 watts/lb. it was designed to have 10 cells (so max 30 watts) and having the weight of 310 grams. 50-70 watts per pound; Minimum level of power for decent performance, lightly loaded slow flyer and park flyer models; 70-90 watts per pound; Trainer and slow flying scale models; 90-110 watts per pound; Sport aerobatic and fast flying scale models; 110-130 watts per pound; Advanced aerobatic and high-speed models. 83 HP) So, our NV 55lb draws 624 watts at full speed, divided by 746 watts, gives us. Like a hacker B20 and Phoenix Controller and lets say 8-10 cells of some good NiMh's like GP3300's. Post installation of your BLDC, you shouldn't change your all up weight. RC Watt Meter,Acogedor 4. 1kg is all about 35. The most common description of a motor's Kv constant is that it is the ratio of the unloaded speed to the applied voltage of a motor. docx), PDF File (. 0mm gold connectors and prop saver adaptor. For RC customers, an easy way to estimate power needs is to use 100 watts per pound for sport flying, 150 watts per pound for aggressive aerobatics and 200+ watts per pound for 3D flying. With over 80 watts per pound this plane has lots of power and is a lot of fun to fly. Below we provide some ideas in Watts per pound for your RC plane. 110-130 watts/pound; Advanced RC airplane aerobatics and high speed RC airplanes. Important remarks: The propeller's pitch has a significant effect on the required engine power! Therefore any results in the calculated engine power field should be monitored carefully! As the propeller (with high-pitch) rotates faster and faster it is stalling more and more. They test most of the motos they sell and post the data. I am using 5. LEGACY AVIATION. You may need to purchase appropriate plugs for the meter if you don't already have them. Brushless motor application guide for rc Electric motor power is stated in watts. 5 improve low speed handling - 2. The total finished weight will be from 8 to 9 lbs, depending on the choice of power. It does generate higher inducted turbulent-resistance which takes engine power, preventing to produce enough thrust. 90 to 110 watts per pound is good for fast-flying scale models and some sport aerobatic aircraft. Prop: FunToBuyOnline 8045 (white plastic, MR style blade) 3S (12. Both planes weigh about the same with these setups. Power requirements were estimated from observations of the planes we typically saw at the field. A60 - 7XS: 1,900 watts. 5-Kg), or models requiring up to 1800 watts of power. With the larger ground plane and copper tape “top-hat” it’s now usable to 70MHz. bench plans pdf zusammenfgen DIY outdoor furniture projects aren't just for the crafty or Once you've got the pallet refurbished and hung as a loveseat, you can add. 1kg is all about 35. Watts are literally a mathematically derived number , amps x volts. Buy Remote Control Ride On Cars by Magic Cars®, ride on trucks, 12 volt ride on cars, and electric motorcycles that are fantastic fun for kids. Balancing Li-Po battery packs. 5” Weight: 3lbs (48oz or 1361g) BadAss 2814-1950Kv motor; BadAss Rebel 85A ESC; 45C 3S 3000mah LiPo; APC 8x4 propeller; 55A, 591 watts (measured), 66mph pitch speed, 71oz thrust; 197 watts per pound; 1. btcentralplus. While using smaller motors (1,500 Watts per motor capability, but running only 700-800 Watts) on his model prototype, he anticipates mounting something like the Turnigy on his first manned craft. Another site says I should have 50 watts per pound for trainer/casual flying, and 75 watts per pound for sport flying/sport aerobatics, and 100 watts per pound for aggressive aerobatics, and 150 watts per pound for all out performance & 3D. I have yet to build an electric plane in this size. Latest Apple Mobile Phones Prices in Pakistan (Islamabad, Lahore & Karachi) - Price and Specifications of new smartphones with advance technology and design. 5" Weight: 3lbs (48oz or 1361g) BadAss 2814-1950Kv motor; BadAss Rebel 85A ESC; 45C 3S 3000mah LiPo; APC 8x4 propeller; 55A, 591 watts (measured), 66mph pitch speed, 71oz thrust; 197 watts per pound; 1. 110-130 watts per pound: More advanced user aerobatic and faster models ; 130-150 watts per pound: Lightly loaded 3D models as well as ducted fan models. Nov 28, 2020 - Explore H - H's board "hovercraft" on Pinterest. Power (> 100 watts per lbs) Pack (~ 4 volts per cell) - My favorite packs 3S 2100, 4S 3300 Pitch Speed (mph) - At 10,500 RPM = 10 * Pitch (inches) Prop D/P ratios - > 1. rick 3/21/2021 6:36 Cliff, plan on using a motor rated at 500 Watt continuously, Ball park figure is to arrive at 125 to 150 watt per pound of flying weight. eCalc's motor database is the most comprehensive on the web. Tweets by @MFAKOSOVO. 10 34 7858 210 70/21 75% 16. An easy way to estimate power needs for RC hobby applications is to use 100 watts per pound for sport flying, 150 for aggressive aerobatics, 200 watts per pound for 3D flying. RTF rc planes. Taking 100 watts per pound and multiplying it by the 6 pounds my airplane should weigh, I will need a motor capable of producing around 600 watts. plansdiydouble 🙌How To DIY. 5 times the Plane's Stall Speed: Prop Static Tip Speed MACH (max rec 0. The power requirement for rc planes is based on the Watts per pound rule. ⇒ 3D or unlimited maneuvers • Watts = Volts x Amps • 1 pound = 16 ounces = 454 grams • 1 Horsepower ≡ 746 Watts 1. For my Smooth E, at 16 ounces that will give me 100 watts per pound which should give me plenty of power for fun aerobatics on the sport wing and lots of good climb for soaring on the slow fly wing. joe Chep guyz shud juss tak up a chep hobbie lik buttrflie collectin, LOL:tc:. These planes are not supposed to be areobatics and there is no need to have 100 watts per pound. It explains how many times the motor will turn per every volt. My friends as well are very happy with the equipment & fast-friendly service that is coming out of your company. The rule is really just a guideline to determine how many Watts of power are needed per pound of airplane weight and is expressed as W/lb. During testing, these one-pound sandbags were placed symmetrically along the wings, two at a time one on the right wing and one on the left wing, at the same 31. 5 improve low speed handling - 2. 1/3 Scale Sopwith Pup Complete Landing Gear Kit Our Price: $133. RC flight simulators. How many Watts are you flying with? I plan to use a different motor and have a choice of several in the 600 to1200 Watt range. Below we provide some ideas in Watts per pound for your RC plane. That is, 50 watts per pound X 1. The CAP 232 weighs 4. Weight: 6 oz. How many Watts are you flying with? I plan to use a different motor and have a choice of several in the 600 to1200 Watt range. 100 watts per pound of plane is plenty of power for aerobatic performance, but not 3D. See full list on rc-airplane-world. 3 shows a compilation of the geometric data collected using internet search of currently flying Radio Controlled (RC) electrically powered (EP) Model Airplanes. com 200-300 watts per pound. I put this engine on. Rc Helicopter Toy Rc Jet Plane , Find Complete Details about Rc Helicopter Toy Rc Jet Plane,Rc Jet Plane,3 Channel Rc Plane,Rc Plane from Radio Control Toys Supplier or Manufacturer-Shantou Dio Toys Trade Co. 6859 * PL^(-0. * Metal S' q ^ jLShingle* Flat ROOFING Call today for a FREE estimate! ' LICENSED & INSURED CCC053878 4 AWSRoofing. Power (Watts per Pound) Power Performance Style: Enter Wing Area, (sq in) General Radio Control (12) RC Airplanes (4) RC Boat (1) RC Cars/Trucks (9) Recent Articles. Choosing a power system when building RC planes with foam: The basic considerations for the power system when building RC planes with foam are watts (power) per pound of model and KV. If your RC outfit has an exponential function, this can be usefully used to soften control responses about the neutral point, for example by adding perhaps 30-50% exponential to rudder, elevator and aileron throws. Length: 25 in. 5 pounds of water evaporated per hour at 212 degrees Fahrenheit, approximately 9,809. Gliders and parkflyers may need much less power, 65 W/kg (30 W/lb), while the scale and aerobatics may need much more power, e. Using my multiplier implies that the motor should weigh between 275 / 3 = 92g to 330 / 3 = 110g. The motor is a Towerpro 2408-21T rated at 1450Kv and the speed controller is 15Amps. Verified Purchase. Make sure the power is adequate for your model when building RC planes with foam. Plots shown with 200 Ohms on output. Conventional wisdom has it that you'll need about 100 watts per pound. This KV is equal to revolutions per volt. Taking off the ground needs approximately 50W/Lb. Since 2004 eCalc provides web-based quality services to simulate, calculate, evaluate and design electric brushless motor drives for RC pilots of airplane, multi rotor, UAV, helicopter and EDF jets. If the voltage increases then the motor will spin quickly. Check below for more details. 4 GHz transmitter; Spektrum AR6115 receiver; three E-flite S-75 microservos Minimal flying area: Club field or pond Duration: 8-plus minutes Flying weight: 37. Then they have a rule of thumb for the wattage. Screw up with a similar in appearance one pound Mini Mag, or two pound Twin Star II, both with typically one tenth of a horse-power motors, and in all likelihood all you get is a hurt finger. 100 watts per pound is common for sport flying, 150 watts per pound is preferred for aggressive aerobatics. Posted by 5 days ago. 00 for Dynam Airplanes with Collet Style Propeller Shafts - DY. 9 with this setup. 68 watts to fly. -Garrett Morrison. At the local rc shop, such plane costs two times of these with equal size. Unfortunately, adequate power alone does not guarantee success. This system pulls 13 amps at 7,600rpm, providing 70 watts per pound — more than adequate for a park flyer of this type. The black carbon-fiber tube was used to assist with framing, but was accidentally glued into place. 5 model weight, power about 250 - 300 W per pound Use RC Tools or any other RC Calculator to determine the rpm, thrust, and power needed for various prop sizes. I want to fly it in a sport manner, so I'm going to aim for 100 watts per pound. 92) Static Thrust oz g: Approx Full-Throttle duration minutes : Power System Weight +10% oz g : Static Thrust should be >1/3 of All Up Weight To ROG, Static Thrust should be >1/2 of AUW. 3 lbs with only servos, and 5. It's very easy to calculate a power-to-weight ratio. So 9000/600 = 15 minutes of 65% continuous power usage. 03 per pound to around $. Used as Demo Apple iPad 9. Fast & Free shipping on many items! VOLANTEXRC RC Glider Plane Remote Control Airplane Ranger600 Ready to Fly, 2. Aviation has been a passion of mine all my life, and has led me to pursue my ae…. The earliest recorded use of an unmanned aerial vehicle for warfighting occurred in July 1849, serving as a balloon carrier (the precursor to the aircraft carrier) is the first offensive use of air power in naval aviation. The 817 will happily run at 9. Whether you are using water-based paints or solvent-based paints, these should not end up in your lungs. The second-level joists were a trick; we had to lift them with the backhoe and roll them carefully into place. You'll often see rc airplanes referred to as remote control but technically this is an incorrect term. Vera had a 305-pound bench press and a 265-pound clean and jerk for a 570-pound total. 3-D Aerobatic Planes: (200 to 220 watts per pound) These types of planes typically fly with a 2 to 1 thrust to weight ratio, and have the ability to hang on the prop in a hover at 50% throttle. WATTS PER LB. Up until this mistake that was a result of use and repairs. We looked into the power loading of "typical" RC planes and found that while advanced aerobatic trainers need about 50 watts per pound, 10-30 watts per pound is about average for "intermediate" electric rc planes. As I consider the Avistar an advanced trainer and would like it to do a little more than putt-around, I will choose 100 W/lb. Electric rc. All in, including the obligatory trip to the hobby shop for spinner, a random servo and a few EC3 connectors, this plane came in right around $190 and it's a quality plane. x 100 watts/lb. One site said to keep trainers at about one pound per square foot of wing area. Warbirds West. Using that estimation: ≤ 1 pound: 300-400 ≤ 2 pounds: 400-450 ≤ 3 pounds: 450 Using a slightly smaller motor will give less performance and longer run times. Rc Helicopter Toy Rc Jet Plane , Find Complete Details about Rc Helicopter Toy Rc Jet Plane,Rc Jet Plane,3 Channel Rc Plane,Rc Plane from Radio Control Toys Supplier or Manufacturer-Shantou Dio Toys Trade Co. com, of which dc motor accounts for 6%, radio control toys accounts for 2%, and ac motor accounts for 1%. 5" Air Filled Wheels, 36V-5. that is around 10a or so on a 3s battery for example. It flew on 12 hp. joe Chep guyz shud juss tak up a chep hobbie lik buttrflie collectin, LOL:tc:. Or, the plane may be able to hover and climb vertically, but not fly horizontally fast enough to remain airborne. An easy way to estimate power needs for RC hobby applications is to use 100 watts per pound for sport flying, 150 for aggressive aerobatics, 200 watts per pound for 3D flying. It's a straightforward calculation that can be done in horsepower per pound or vice versa. 5 pound plane as our example. I do not understand why the FAA feels it necessary to ask that all rc planes that weigh more than 250 grams register and what they hope to accomplish with that. 90 glow, more aggressive than Power 90. You are here: Home > Airplane Kits Sort By: Price: Low to High Price: High to Low Most Popular Title Manufacturer Newest Oldest Availability 60 per page 120 per page 240 per page 360 per page Page of 2. The rule of thumb of having 100 watts of motor output for each pound of airplane is in play here. Power ranges from 75-1,000 watts. Flight times were very good at 10 minutes or more depending on how hard I flew the Yak 54. Taking off the ground needs approximately 50W/Lb. Cliff, plan on using a motor rated at 500 Watt continuously, Ball park figure is to arrive at 125 to 150 watt per pound of flying weight. One horsepower is equivalent to the amount of force needed to lift 550 lbs of weight within a period of 1 second. 8V~60V 130A High Precision Power Analyzer With Backlight LCD,Battery Voltage Checker Watt Volt Amp Meter for RC Model Airplane. Determine the Input Watts per Pound required to achieve the desired level of performance: Model: Hangar 9 P-51 Miss America Estimated Flying Weight w/Battery: 9. If we say 195 lbs for pilot the total weight is 800 lbs. Politique de confidentialité FILMube. This combination would have provided something around 50 watts of power and flew the Kitten well. So the power conversion of horsepower to watts is given by: P (W) = 745. For good aerobatics capabilities, 70 Watts per pound is more suitable. Most solar cells have an efficiency between 5% and 20% (a ratio to perfect efficiency of between 0. The plane, using A123 cells, is not really good for 3D/'hang on the prop' flying. I needed about 4 evenings until all is right fixed. Another site says I should have 50 watts per pound for trainer/casual flying, and 75 watts per pound for sport flying/sport aerobatics, and 100 watts per pound for aggressive aerobatics, and 150 watts per pound for all out performance & 3D. The rule of thumb of having 100 watts of motor output for each pound of airplane is in play here. 17 hours ago General sport flying needs 100 watts per pound. Surely Model B will therefore require fewer watts per pound than Model A, although in order to achieve the lower wing loading it will have much larger, longer, draggier wings. If we now use 70% for propeller efficiency, as you did in the question, the power to mass ratio becomes 8. 1V 3s battery, output watts are 333 (11. We looked into the power loading of "typical" RC planes and found that while advanced aerobatic trainers need about 50 watts per pound, 10-30 watts per pound is about average for "intermediate" electric rc planes. 33 Watt power per N of weight force or 81. 4 lbs x 150 watts per pound = 360 Input Watts of total power (minimum). The plane is flying great. Even with your numbers of 82 watts per pound is better then scale I think it'll be fine. 110 to 130 watts per pound is what you want for advanced aerobatics and high-speed aircraft. He just couldn't get enough of this plane and I ended up giving it to him. 83 Regular Price £69. 5) we're around 314 BS watts per pound. For example: let's assume we have a 5055-3000kV Brushless Outrunner Motor. 2006 Jeep Grand Cherokee, fully loaded hemi 5. My friends as well are very happy with the equipment & fast-friendly service that is coming out of your company. Unfortunately, adequate power alone does not guarantee success. > 200 W/kg (90 W/lb). This KV is equal to revolutions per volt. Print Radical RC Mail/Fax Order Form. With 950 watts of cooking power and 2. Any suggestions. UAV Drones armed services rc planes RC Helicopters. Sustains over 300watts. This is probably the best known rule, and I believe it was originated by well known electric flight guru Keith Shaw. Taking 100 watts per pound and multiplying it by the 6 pounds my airplane should weigh, I will need a motor capable of producing around 600 watts. Here is why you need to Buy the Highest C rating RC LiPo February 17, 2021; LiPo Battery Pack vs Pack Age February 16, 2021;. If we want basic flight you will need 50 watts per pound or about 75 watts input to your motor for this 1. Buy Remote Control Ride On Cars by Magic Cars®, ride on trucks, 12 volt ride on cars, and electric motorcycles that are fantastic fun for kids. 6V NiCd battery pack. Depending on the average load on the battery bank, the total daily usage may have to be adjusted due to the Peukert Effect. ! One of the biggest confusions for most people selecting an electric motor is, "What is a watt?" The glow guys are used to horsepower and electric power systems are measured in watts. and you can use 150+ W/lb. motor kilowatt calculator. 750 watts = 1 horsepower. 5 kilograms), 15-size 3D airplanes up to 3. 68 watts to fly. For electric aircraft, the power to weight ratio is expressed in terms of Watts per pound. Brushless RC Motors We carry a wide assortment of brushless motors for RC aircraft including both outrunner and innrunner models in all sizes and power ranges. I fly with 6s 6000mah and a brushless 6350 370kv and 21x8 prop and its good to hoover and torque. A good rule of thumb that works for most sport RC aircraft is 100 watts per pound. "150-200+ watts per pound; Unlimited performance 3D and aerobatic models" 150*. RC trainer planes. Reality is much over 4. The "standard" AXI 2826-10 4S setup is around 160 watts/lb (on my 58 oz TOW plane). This system pulls 13 amps at 7,600rpm, providing 70 watts per pound — more than adequate for a park flyer of this type. 4500 watts gives about 250 watts per pound on a plane like this. Or, swap the formula, divide 5,000 by 300, and it would be 16. This is a content-based site, here to introduce you to the thrills and spills of flying radio control model aircraft. For RC customers, an easy way to estimate power needs is to use 100 watts per pound for sport flying, 150 watts per pound for aggressive aerobatics and 200+ watts per pound for 3D flying. Using the above example in the worst case, the usage would be 14 x 134. Choosing a power system when building RC planes with foam: The basic considerations for the power system when building RC planes with foam are watts (power) per pound of model and KV. 88 with Afterpay Warbird and Military RC Planes. The rule is really just a guideline to determine how many Watts of power are needed per pound of airplane weight and is expressed as W/lb. You'll often see rc airplanes referred to as remote control but technically this is an incorrect term. I have seen a few planes listed with the 3008 motors is that a good replacement for the e flite 480? is there one that can run a smaller prop at more rpms for speed? Hot off the watt meter it measures 320watts peak, 29. 4v * 10amps = 74watts n 11. Determine the Input Watts per Pound required to achieve the desired level of performance: Model: 25-size aerobatic/3D airplane Estimated Flying Weight w/Battery: 4. One site said to keep trainers at about one pound per square foot of wing area. 8V~60V 130A High Precision Power Analyzer With Backlight LCD,Battery Voltage Checker Watt Volt Amp Meter for RC Model Airplane 4. It may appear they don't last as long because of this inherent electrochemical limitation. An easy way to estimate power needs for RC hobby applications is to use 100 watts per pound for sport flying, 150 for aggressive aerobatics, 200 watts per pound for 3D flying EMAX 1306 RS1306 Version 2 RS1306B 2700KV 4000KV Brushless Motor 3-4S For RC Drone Multi Rotor - 2700KV. An 8-pound airplane with a piped. 2 = 330 watts in. It's generally accepted that any plane with less than 50W/lb is going to struggle unless it has a very low wing. A ratio of 100 watts per pound would be 325, so it is perfectly in the correct power/weight range. Today, you can fly a 20lb plane on an electric power system for less than $400. We looked into the power loading of "typical" RC planes and found that while advanced aerobatic trainers need about 50 watts per pound, 10-30 watts per pound is about average for "intermediate" electric rc planes. Turnigy 3S 1600mAh 50C LiPo battery and an APC 10X5" prop passes the magic 200 Watt per pound power. 0 lbs Desired Level of Performance: 90-110 (100 average) watts per pound; Sport aerobatic 6. 100 watts per pound of plane is plenty of power for aerobatic performance, but not 3D. If your RC outfit has an exponential function, this can be usefully used to soften control responses about the neutral point, for example by adding perhaps 30-50% exponential to rudder, elevator and aileron throws. READ PAPER. Screw up with a similar in appearance one pound Mini Mag, or two pound Twin Star II, both with typically one tenth of a horse-power motors, and in all likelihood all you get is a hurt finger. Available with gear drives and special helicopter versions. On the 8×4 props, BRC says it will give 145 Watts on 3S Lipo so I should have ample power with 4 of them. 0 lbs x 100 watts = 900 Input Watts per Pound of power (minimum). Warbirds West. General sport flying needs 100 watts per pound. Since 2004 eCalc provides web-based quality services to simulate, calculate, evaluate and design electric brushless motor drives for RC pilots of airplane, multi rotor, UAV, helicopter and EDF jets. Taking 100. 40 size plank that is ballistic (1417/4. Convert 10 hp to watts: P (W) = 745. Max Watts. Less than 50W/lb - very lightweight / low wing loading slow flyer. Looking for a pop up camper for around a grand. Politique de confidentialité FILMube. 2 = 330 watts in. Remember, it's not the total watts that is important; it's the watts per pound. Enter Power in Watts NOTE: If Unknown, leave blank. The approach is more complicated but perfectly doable using a simple watt meter. However, there has to. 625=125W This would become my point of reference. The storage battery is then used to power the chargers for plane batteries. So the plane can not gain height. In the past, a common comment about my RC airplanes was, they look like censored. Even if we shoot for 200w/lb which is very powerful on an electric we should have crazy performance on a 7 lb plane. Here at Graves RC Hobbies, we carry more than 27, different stock items, including almost any and every part of hobby toys you can imagine. For ROG, 70 watts per pound is better. 0 out of 5 starsGreat motor for 24oz, 3D aerobatic RC plane with 10X5" prop. No guarantees here as my 1984 vintage 2 metre glider hasn’t yet had a test flight since converting to electric (apart from an unsuccessful one with a motor that was much too small). This combination would have provided something around 50 watts of power and flew the Kitten well. 2Ah Lithium Ion Battery, Auto Cruise Control, Speeds up tp 15 miles/25km, up to 9 miles/14km per charge - Black ! (2 Reviews) $159. LEGACY AVIATION. Propeller and battery sizes are listed in the EXAMPLES tab of the individual motors. With a draw of 30 amps on the 11. Power ranges from 75-1,000 watts. I'm not expecting to have sky-ripping speed or unlimited vertical but I do expect enough thrust to get off the ground and maintain altitude without much fuss. Just because we have the right number of Watts per pound doesn't mean the plane will fly well. com] has quit [Ping timeout: 244 seconds] 2012-11-03T02:13:11 upgrdman> :( 2012-11-03T02:13:15 jpa-> zyp: seems to focus quite a lot on the memory allocators; there are many ways to solve that 2012-11-03T02:13:23 jpa-> one quite non-intrusive way is to use per-thread heaps 2012-11. 5G WPD Reduction Drive. 8V~60V 130A High Precision Power Analyzer With Backlight LCD,Battery Voltage Checker Watt Volt Amp Meter for RC Model Airplane 4. I use headsuprc. Essentially, to hover or prop hang, you'll need 125 to 150 watts in per pound. 48:1 Thrust-to-weight ratio; This. For aggressive aerobatics, use 125 W/lb. They are high quality electronic speed controllerFeatures:Max continous current 20 A max. Like the guys said above there are a lot of variables in a quad. Featured Foam Planes (Kits) 4 CH A-10 Thunderbolt 2 Airframe Kit (Blue) 6/18/2010 $ 34. If the voltage increases then the motor will spin quickly. 50 -70 watts per pound; Minimum level of power for decent performance, good for lightly loaded slow flyer and park flyer models 70 -90 watts per pound; Trainer and slow flying scale models 90 -110 watts per pound; Sport aerobatic and fast flying scale models. With a claimed flying weight of 54 ounces, this results in approximately 150 watts per pound. General sport flying needs 100 watts per pound. Ho train tack layout with parts list Quart mason jar mugs A lesson on tattling Jeep xj armor Johnson outboard 7. I am using 5. 83 horsepower. rick 3/21/2021 6:36 Cliff, plan on using a motor rated at 500 Watt continuously, Ball park figure is to arrive at 125 to 150 watt per pound of flying weight. Using the parameter PL [hp/ft^2], we use an empiracly defined formula to calculate the thrust loading (after McCormick). The watt is named after James Watt, an 18th-century Scottish inventor. Although its original purpose was to compare the output of steam engines with the power of horses (hence its name), it has since been adopted as a unit of measurement for all sorts of engines used to power things such as vehicles, lawn mowers, boats, chainsaw, and airplanes. A value of -1 means no limit on slew rate in takeoff. The chart below also lists the roughly-comparable glow and gasoline power systems for reference. For example: let's assume we have a 5055-3000kV Brushless Outrunner Motor. Looking for a pop up camper for around a grand. It's not a vertical rocket, but a hovering capable machine. a beginners guide to rc planes Jan 02, 2021 Posted By James Patterson Media Publishing TEXT ID 03097254 Online PDF Ebook Epub Library flight time of 12 minutes f4u 4ch beginner rc airplane with 6 axis stabilizer system rtf 761 8 outdoor 96 91 97 2 rc plane 4ch airplane aircraft built in gyro system fly rtf. 83 Regular Price £69. Turnigy 3S 1600mAh 50C LiPo battery and an APC 10X5" prop passes the magic 200 Watt per pound power. Power (Watts per Pound) Power Performance Style: Enter Wing Area, (sq in) General Radio Control (12) RC Airplanes (4) RC Boat (1) RC Cars/Trucks (9) Recent Articles. I'll be interested to hear more about that as you complete the build. com (le «Site Web») et les applications FILMube et comment nous utilisons ces informations. Number of propeller blades. Fast & Free shipping on many items! VOLANTEXRC RC Glider Plane Remote Control Airplane Ranger600 Ready to Fly, 2. The approach is more complicated but perfectly doable using a simple watt meter. 49 2-cycle 1 lb Turbo 550 (typical 05), 6 oz 6 cells 90 watts @20amps @8500 RPM w/ 8x4 prop 0. Its PWR will be as 0. RC planes are operating line of sight so it’s easy to identify the operator. See pound-force per. Rustic style is all over the homes of our readers. Max Watts. It is accepted by most in the hobby that 100 Watts/lb is a darn good "estimate" for the power required for an average sports/aerobatic RC airplane. An easy way to estimate power needs for RC hobby applications is to use 100 watts per pound for sport flying, 150 for aggressive aerobatics, 200 watts per pound for 3D flying. Repair Foam RC Planes - Deluxe Materials WonderFill Since foam models came on the RC scene there has not been an effective way to repair or fill the foam structure - Until Now. A calculator for electric powered RC model airplanes, RC helicopters, multirotors, RC cars, trucks and buggy's. 80 to 120 W/lb - general sport flying and basic/intermediate aerobatics. 8 lbs with this setup. The rule states that for reasonable sport performance, a plane's power system should draw at least 40 to 50 Watts per pound (W/lb) of airplane. 1/3 Scale Sopwith Pup Complete Landing Gear Kit Our Price: $133. Just because we have the right number of Watts per pound doesn't mean the plane will fly well. So for your glider, a motor in the range of 50 to 100 watts will work fine. 1kg is all about 35. Get your radio control airplane motor at RC Planet. Free Shipping On Orders over $99*. The letters rc (also RC or R/C) stand for radio control. 9, typical 0. Example 2: Amps x Volts = Watts sport planes are about 100w per lb…. 40-size glow engine. Fast & Free shipping on many items! VOLANTEXRC RC Glider Plane Remote Control Airplane Ranger600 Ready to Fly, 2. 5 amps, and at 580 grams (or 1. You may need to purchase appropriate plugs for the meter if you don't already have them. Take note: The use of any RC airplane the size and power of the Mentor is DANGEROUS. It’s automatic and covers your purchase price plus original shipping on eligible purchases*. 100 watts per pound of plane is plenty of power for aerobatic performance, but not 3D. With three cells in series in the battery, this is much less than four amps FPV Drone per speed manage (there is 1 for each motor). Dynam's model of the full-scale WACO YMF-5 is one of those foam kits that is unencumbered with add-ons. Politique de confidentialité FILMube. 100 watts per pound is common for sport flying, 150 watts per pound is preferred for aggressive aerobatics. If you are new to flying or want a plane that flies simply, the measurement to go with is 100 Watts per pound of plane. This flys great, but a little more power would not hurt (after all, we are red blooded American males, right! ) Your E-flite 46 is around 900 watts (per spec sheet). With the larger ground plane and copper tape “top-hat” it’s now usable to 70MHz. See full list on rc-airplane-world. 83 HP) So, our NV 55lb draws 624 watts at full speed, divided by 746 watts, gives us. MOTROLFLY DM-2204 Brushless motor series are for RC Airplanes 5 to 12 ounces depending on model type. General sport flying needs 100 watts per pound. Using my multiplier implies that the motor should weigh between 275 / 3 = 92g to 330 / 3 = 110g. If you want a little more spirited plane, we could use 75 watts X 1. It flew on 12 hp. The second-level joists were a trick; we had to lift them with the backhoe and roll them carefully into place. I use headsuprc. The majority of propellers used in the radio control flying hobby have two blades but props with three or even four blades are available. I have seen a few planes listed with the 3008 motors is that a good replacement for the e flite 480? is there one that can run a smaller prop at more rpms for speed? Hot off the watt meter it measures 320watts peak, 29. because this diy pergola project is made to stand independent of the house, you you can also consider using wood chips or gravel as a floor or even pour a. It is a good engine but not much powerfull. With assembly completed, it was time to head to the field. Verticoptoptor [seems to combine] the best from planes and helicopters in one. Our motors can be used in countless applications. Cost can be zero using wood/coal to smelt/cast. 33 Watt power per N of weight force or 81. I'm not expecting to have sky-ripping speed or unlimited vertical but I do expect enough thrust to get off the ground and maintain altitude without much fuss. Laurenceb [[email protected] I've read on XHeli that a rule-of-thumb for sizing electric plants is to use 100-120 Watts per pound. The plane reaches max level flight speed when the Thrust becomes equal to Drag. RC powered gliders. FreeAir EPP Sopwith Camel WWI Aces Fighter 760mm. So 9000 watts/800lbs is 11. Aviation has been a passion of mine all my life, and has led me to pursue my ae…. As limits are always being tested, it is not unusual to find modern, higher-end 3D planes pushing that number well past 250. Differences. Simply divide the power output of a vehicle by its weight. The storage battery is then used to power the chargers for plane batteries. 83 horsepower. 426 results for rc airplane electric motor. Check out Turnigy D2836/8 1100KV Brushless Outrunner Motor reviews, ratings, specifications and more at Amazon. So for your glider, a motor in the range of 50 to 100 watts will work fine. Example 2: Amps x Volts = Watts sport planes are about 100w per lb…. The purpose of the club is to provide a safe environment for the enjoyment and advancement of Radio Controlled model aircraft. I think 1000W is suggested but some comments here seem to suggest that this is excessive. 300 watts per pound is comfortable for the mild 3D I like to fly! ;-) All that said, I gave serious thought to parting it out and selling the big thing off last summer. What's in RC Airplane World? Welcome to my website, RC Airplane World. New ESCs allow for 12s (12-cell) Lithium packs to provide up to 7 h. In the context of building and construction, the R-value is a measure of how well a two-dimensional barrier, such as a layer of insulation, a window or a complete wall or ceiling, resists the conductive flow of heat. Very lightweight micro RC and slow flyers. 60 size engine would have this type of power level. stroke glow engine for sport and scale airplanes weighing 8- to 13-pounds (3. 5:1 Thrust-to-weight ratio; Joe Says "This sucker really moves" VIDEO: Wingspan: 39. I would use the 50 watts per pound as a minimum. This system pulls 13 amps at 7,600rpm, providing 70 watts per pound — more than adequate for a park flyer of this type. I recently purchased a (supposedly reputable) $600 blender with a motor rated at 2238 W - one of the most powerful on the consumer market. • 50 - 75W/lb. The Aerocraft Apache built stock per the plans with an Astro 05 direct drive motor, New Creation 60 amp ESC w/BEC, 3 Hitec HS-80 servos, Hitec 555 micro receiver, 8x4 prop, and 8x2000 batteries. How to convert horsepower to watts Mechanic / Hydraulic horsepower to watts. I think you should get a good Brushless motor setup. Low cost veterinary surgeries Oakville, We provide services like Pet Vaccination, Dental Care, Microchip, Grooming, Parasite control, Dentistry, Behaviour Conselling, etc. Most solar cells have an efficiency between 5% and 20% (a ratio to perfect efficiency of between 0. The plane, using A123 cells, is not really good for 3D/'hang on the prop' flying. 699872 ⋅ P (hp) Example. Using the middle of our rule of thumb power level for trainer-type planes, we multiply 65watts times 6lbs to get 390 watts which is about � h. The rule of thumb of having 100 watts of motor output for each pound of airplane is in play here. LRK Motors; LRK Motors English (neat, also Build your own) Reciprocating. Important remarks: The propeller's pitch has a significant effect on the required engine power! Therefore any results in the calculated engine power field should be monitored carefully! As the propeller (with high-pitch) rotates faster and faster it is stalling more and more. At over 350 watts in, that is about 110 watts in per pound of ready to fly weight, the performance is very good. 50-70 watts per pound; Minimum level of power for decent performance, lightly loaded slow flyer and park flyer models; 70-90 watts per pound; Trainer and slow flying scale models; 90-110 watts per pound; Sport aerobatic and fast flying scale models; 110-130 watts per pound; Advanced aerobatic and high-speed models. Taking off the ground needs approximately 50W/Lb. Radio control is the correct term because the airplane controls respond to radio signals that pass through the air from the transmitter (abbreviated to 'TX') to the receiver (abbreviated. 100 watts per pound is common for sport flying, 150 watts per pound is preferred for aggressive aerobatics. manufacturer says that the plane weighs 96oz (or 6lbs) when equipped with a. 50-70 watts per pound; Minimum level of power for decent performance, lightly loaded slow flyer and park flyer models; 70-90 watts per pound; Trainer and slow flying scale models; 90-110 watts per pound; Sport aerobatic and fast flying scale models; 110-130 watts per pound; Advanced aerobatic and high-speed models. Electric ride on ATV 4 Wheeler Dune Buggy Go-Karts are powered by a super strong 48 volt 1000 watt electric motor. Type: indoor RC electric ; Wingspan: 42 in. Now, five years later, I decided that with so much improved technology in micro RC systems, motors, batteries, and even construction materials, this was the time to revisit the Scratch-65. Make sure the power is adequate for your model when building RC planes with foam. Any suggestions. Therefore, my 1000 watt "cargo" model should have a gross weight of 5 lbs. Gliders and parkflyers may need much less power, 65 W/kg (30 W/lb), while the scale and aerobatics may need much more power, e. A Watt Meter is essential if you're going to try different prop sizes on your EP plane!. 3D flying needs 150 watts per pound or more. Buy 3G, 4G, dual sim mobile phone at best price in Pakistan. The speed of the motor is interconnected to the fastness you need plane or toy to go. Desired Level of Performance: 150-200+ watts per pound; Unlimited performance 3D and aerobatics. Variations on the type of flying needed, scale prop size, and speed can be handled though the number of motor winds and battery cells used. Save this search. revolution per minute r/min watt W revolution per second r/s watthour Wh roentgen R watt per steradian W/sr root-mean-square rms watt per steradian square meter W/(sr # m) second (plane angle) weber Wb second (time) s yard yd 2 2 2 2 2 2 2 2 § Although the use of the abbreviation psi is common, it is not recommended. Check out Turnigy D2836/8 1100KV Brushless Outrunner Motor reviews, ratings, specifications and more at Amazon. A50 - 16S: 1,200 watts with 6S x 4,000 mAh and 16 x 10 APC-E prop. Due to the lower efficiency of ducted fan units, I'm assuming that this requirement wil be higher for an EDF model. A popular foam airplane weighs 1. Warbirds West. At 49 lbs wet, that gives me 147 watts per pound which is equivalent or a little more than 50 cc motors. Determine the Input Watts Per Pound required to achieve the desired level of performance: Model: 15-size 3D ARF. The main problem with that description is that it is wrong. For a 3D plane, you are talking around 150 watts per lb. Sophomore Luis Jeronimo fin-ished seventh in the 119-pound class. Designed by Bob Aberle, the Kiwi is a proof-of-concept created to determine whether a 3-ounce RC model could be built using conventional RC equipment and a conventional motor. 03 per pound to around $. Description: A 3-ounce RC plane that uses off-the-shelf equipment. Gives at least 10 minutes of flight time. Well, okay … it does have built-in lights. grindercarvingwith 😵King'S Fine Woodworking Inc. The site is brought to you by me, Pete, a middle-aged guy who refuses to grow up!. 2 = 275 watts directly into 150 * 2. It has unlimited vertical performance. Length: 25 in. 5 Volts per cell for standard, 1. A Watt Meter is essential if you're going to try different prop sizes on your EP plane!. This F-15 kit PNP was fantastic. 2 = 330 watts in. The Tenergy High Precision RC Watt Meter & Power Analyzer is an excellent example. This KV is equal to revolutions per volt. If we use 750 watts per hp that is 9000 watts. 110-130 watts/pound; Advanced RC airplane aerobatics and high speed RC airplanes. 70 to 90 watts per pound is perfect for trainers and slow-flying aircraft. 9-Kg), 3D airplanes up to 10-pounds (4. Latest Apple Mobile Phones Prices in Pakistan (Islamabad, Lahore & Karachi) - Price and Specifications of new smartphones with advance technology and design. So for your glider, a motor in the range of 50 to 100 watts will work fine. So "m dot" is not simply the mass of the fluid, but is the mass flow rate, the mass per unit time. If we use 750 watts per hp that is 9000 watts. The speed of the motor is interconnected to the fastness you need plane or toy to go. Take the watts you calculated and divide it by 746 Watts (1 HP). com Tel: 01795 870414 Rapid Rc Unit 5 A, Wallend Farm, Lower Road, Minster, Kent, ME12 3RR, United Kingdom. 3V) Throttle Volts Amps Watts RPM Thrust(g) Winding Temp. Hi folks, I'm hoping to pick some brains on this one I've seen recommendations in the mag and on the forum saying that, for prop-driven models, power requirement is 60 - 100 watts per pound of model weight. It is not a beginner RC plane, but is ideal for your first attempt at scale RC model planes. This 3/4 scale Ace PuddleMaster copy flies well using a 6V Speed 400 motor, 7x1100AAU NiCd battery, and 5. 1V 3s battery, output watts are 333 (11. It's very easy to calculate a power-to-weight ratio. If you are new to flying or want a plane that flies simply, the measurement to go with is 100 Watts per pound of plane. On a smaller scale, a 10-ounce sport model needs roughly 62 watts of power (0. Aerobatics and good climb performance, 75W/Lb. The issue with the airplane esc's is that they don't have brakes, per se, rather a 'prop stop'. I will get an RC Verticoptor and fly it and see how it works. For aggressive aerobatics, use 125 W/lb. So that you need 125 * 2. Taking 100. This is a content-based site, here to introduce you to the thrills and spills of flying radio control model aircraft. H hometown NewsOL. The big problem are the spare parts. plansdiydouble 🙌How To DIY. 0 lbs x 100 watts per pound = 600 Input Watts of total power (minimum). Returned are the approximate specifications for a matching motor, the static thrust, rpm and pitch speeds. For aggressive aerobatics, use 125 W/lb. I spent several days flying with a member of the Russian F3A team on my last visit to China and he put the Vanquish through this sequence repeatedly. patrol kitchen box plans simple We have a Fast Mile, a 5K and a FREE Kids Fun Run! Diy Smokehouse Plans: When you start with your plans, it's then a very simple matter to. Screw up with a similar in appearance one pound Mini Mag, or two pound Twin Star II, both with typically one tenth of a horse-power motors, and in all likelihood all you get is a hurt finger. ) EFFICIENCY. The CAP 232 weighs 4. If it can get to five times its current density—that would be 1,000 watt-hours per kilogram—it would work for small-scale commercial aviation, says Don Hillebrand, director of the Argonne's. 50 Watts per pound of model weight may be sufficient, and less may actually be better for the trainee pilot. 7 watts, watts being a unit of power that James Watt also came up with, and the same unit you see everyday associated with things like light. Most solar cells have an efficiency between 5% and 20% (a ratio to perfect efficiency of between 0. Select other Paramaters and then click Calculate! Radio Control Info Articles. 5 lb, 40 mph 6 min run; 8 min flight (using 600 mAH cells). 1V 3s battery, output watts are 333 (11. plane very quickly from standstill, but will give less top speed. Gotta love physics. For electric powered model aircraft, the input power for a sports plane (no EDF), should be about 110 W/kg (50 W/lb) in order to get reasonable flying performance. eg for a trainer, you would want thrust ~= model weight, power about 80 - 110 W per pound (depending on high wing trainer or shoulder/low wing trainer) For a 3D model, thrust > 1. Determine the Input Watts per Pound required to achieve the desired level of performance: Model: Hangar 9 Ultra Stick 40 ARF Estimated Flying Weight w/Battery: 6. With a draw of 30 amps on the 11. This is probably the best known rule, and I believe it was originated by well known electric flight guru Keith Shaw. This F-15 kit PNP was fantastic. LEGACY AVIATION. AS5210: AERODYNAMIC DESIGN DESIGN OF RC AIRCRAFT. One horsepower is equal to 745. Framing Tools. How many Watts are you flying with? I plan to use a different motor and have a choice of several in the 600 to1200 Watt range. Watts Per Pound. uk is part of an international network of search engines for second-hand products. Save this search. Updated 28 Nov 2020 All contents 1996-2021. 83 Regular Price £69. a beginners guide to rc planes Jan 02, 2021 Posted By James Patterson Media Publishing TEXT ID 03097254 Online PDF Ebook Epub Library flight time of 12 minutes f4u 4ch beginner rc airplane with 6 axis stabilizer system rtf 761 8 outdoor 96 91 97 2 rc plane 4ch airplane aircraft built in gyro system fly rtf. Currently displaying plan 1 to 10. All the pushrods were iinstalled and only one required a single turn to center all the controls. 5hp seahorse Klonopin body odor Knitting pattern for elmo hat Test factors multiples prime composite grade 4 Pregnancy symptoms with frozen embryo transfer Imobsters apk favor points Neocitran during pregnancy Diabetic ballet dancer Cerita seks dengan india Why are low pe ratio. To start, we needed estimates of required power for charging our plane batteries. One mechanic or hydraulic horsepower is equal to 745. Determine the Input Watts per Pound required to achieve the desired level of performance: Model: Hangar 9 P-51 Miss America Estimated Flying Weight w/Battery: 9. Cliff, plan on using a motor rated at 500 Watt continuously, Ball park figure is to arrive at 125 to 150 watt per pound of flying weight. Traxxas 21-Turns Titan 550 Reverse Rotation Motor TRA3975R. Power (Watts per Pound) Performance Style: Enter Wing Area, (sq in) General Radio Control (12) RC Airplanes (4) RC Boat (1) RC Cars/Trucks (9) Recent Articles. Power loading was a mild 30 watts per pound, but the little airplane flew well, mostly at full throttle. freechairplans 😽Attention Woodworkers‎ The successful candidate will possess a Bachelor's Degree from an accredited Mechanical Engineering program, have a minimum of 5 years of experience with a firm designing HVAC systems, have strong oral and written communication skills, understand computer programs such as Trane TRACE, Word, Excel and AutoCAD and have passed the Engineer in Training. 5G WPD Reduction Drive. It is a good engine but not much powerfull. Interestingly and off topic, the same lock that is intended to prevent take over of a plane, was used by a pilot to crash the plane and kill all 150 people [1]: > The crash was caused deliberately by the co-pilot, Andreas Lubitz, who had previously been treated for suicidal tendencies and declared "unfit to work" by his doctor. Much more than we used to have back on the day when we thought 3000 watts was "killer" on a 50CC plane. Another site says I should have 50 watts per pound for trainer/casual flying, and 75 watts per pound for sport flying/sport aerobatics, and 100 watts per pound for aggressive aerobatics, and 150 watts per pound for all out performance & 3D. See full list on rc-airplane-world. x 100 watts/lb. Sedate flying from a hand launch requires 35 watts per pound(W/Lb). For example, the thrust-to-weight ratio of a combat. joe Chep guyz shud juss tak up a chep hobbie lik buttrflie collectin, LOL:tc:. Up until this mistake that was a result of use and repairs. 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