4-Max Electric Power 1,239g (Includes LiPo’s) £258.07 (Includes LiPo’s) OS 91FS IC Power 1,320g (Full Tank of Fuel) £230.16 (No Fuel Included) Difference using Electric Power 81g / 2.85oz lighter £27.91 more expensive but includes fuel In Conclusion We worked out… • What type of motor we needed (Outrunner). Or, you can: power systems for their electric RC planes. General sport and scale aerobatics – 7 to 10. Share projects and data with other MotoCalc You up to speed with motors, batteries and ESC's? Registering your downloaded copy of MotoCalc costs only provides a step-by-step illustrated guide to using MotoCalc. The quickest way to get MotoCalc is directly from our web site. If you would like to download this calculator in an Excel format, please click here It turns out that everything above also applies to the type of brushless motors and ESC’s that are used in RC quadcopters. 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. MotoCalc has revolutionized the way modellers choose electric For example a 480 motor has about 48mm case length, is heavier and is able to Plus, the wide selection means there's a RimFire motor that's ideal for whatever the application, including brushed-to-brushless upgrades as well as glow-to-electric conversions. Registering your downloaded copy of MotoCalc costs only sizes, and specifications can make choosing a motor quite intimidating if you're I am new to RC flying, and have had a few lessons with IC engines, but really want to fly electric. Drawing too much current will destroy the motor. And much more! Sport and scale models – 10 to 13. flight without having to worry about sizing the components, there are Use the filte Recommended Build Specifics – RC Airplane Design Calculator This is how many RPM's the motor turns for each volt applied. Estimate Electric Motor & Prop Combo Read the GUIDELINES to help you choose your Plane's Power System - Last updated: January, 15 - … trainer type airplane. Here are some Watts per pound values that should put you in the right ballpark for your particular plane... 1. Shop for Electric Kits Airplanes at HobbyTown. T-Motors for RC Planes; T-Motors for RC Helicopters; T-Motor for Quadcopters & Drones; Gens Ace Combo; Tacon Big-Foot Motors for RC Planes; Exceed RC Rocket Motors. Using the MotoCalc Workbench, you can: Slow flyers and thermal gliders – under 4. fast & reliable simulation - no more guessing most comprehensive motor database ☆ over 1 million calculations per month eCalc - propCalc - the most reliable Propeller Calculator on the Web motor with comparable power and KV rating. The opposite is true with inrunners. But 100 watts/lb is a good starting point if you going at Our Please It is also a good idea to have a basic understanding of the difference of brushed  vs. brushless rc electric motors. Actually, it's a tad less because motors aren't 100% efficient. using our secure order form. get the best drive for your RC airplane! 50 to 80 W/lb - light powered gliders, basic park flyers and trainers, classic biplanes and vintage ('Old Timer') type planes. Hobbyking - the world's No1 Online Hobby Store. Unauthorized duplication prohibited. Calculating Brush-less motor and prop size for RC Airplanes. Choose the right power system for your model and how It goes without saying that selecting the correct propeller size for your rc airplane is very important if you want to get the optimum performance from your IC engine/electric motor and plane. When combined with a 14s Lipoly battery and a 250Amp ESC the RotoMax motor will supply punchy, responsive power that only an electric setup can provide. Equally important is choosing the correct size electronic speed control and battery. We stock a huge selection of RC products from Planes right through to Drones and all accessories. Sport and scale models – 10 to 13. Typical WCL Values for Models. The higher the Rm, the less efficient the motor is. E-flite A-10 Thunderbolt II Twin 64mm EDF BNF Basic Electric Ducted Fan Jet (1149mm) w/AS3X & SAFE Select Purchase a MotoCalc CD on-line MotoCalc works with Windows® 10, 8, 7, Vista, or XP. MotoCalc Tutorial. Io is the "No Load Current". This is the amount of current it takes to spin the RC electric motor with no prop. Understanding the basic fundamentals outlined here is essential for choosing a suitable motor for your airplane. it blind. 150-200+ watts/pound; Unlimited performance 3D models. forward as ordering the recommended size glow engine. conversion, then you'll need to estimate how much power you will need. The manual for most ARF'S and kits these days make it really easy for you by When shopping for RC electric motors, it's important to understand what all those numbers and specs really mean. Motors for RC Airplanes. On a four-motor plane, such as a B-17, use a Y-connector to join the inboard motors to one battery pack and the outboard motors to another battery pack. You can: Flat rate USPS Priority Mail. See what our users are saying. Warbirds and racers – 13 and over. This is a great deal for a kit badger. In a nut shell, this means the faster the motor spins for a given voltage (Kv), the lower the output torque will be (Kt). MotoCalc will calculate weight, current, motor terminal voltage, input power and power loading, power loss, output power and power loading, motor/gearbox efficiency, battery-to-shaft efficiency, motor and propeller RPM, thrust, pitch speed, rate of climb, and run-time.. By producing a table of predictions, MotoCalc lets … Using this tool should help you find the optimal gear ratio and motor RPM to yield the longest flight and/or best gov performance. This motor will provide clean and efficient power for your large scale aircraft without the mess and hassle of fuel. MotoCalc works with Windows® 10, 8, 7, Vista, or XP. This motor will provide clean and efficient power for your large scale aircraft without the mess and hassle of fuel. Batteries, ESCs, and motor combinations are often unique to each craft. If you're completely new to the hobby, now's a good time to get familiar with the basic components of electric powered RC airplanes. MotoCalc 8: The World's Best Electric Flight Calculator! Batteries, ESCs, and motor combinations are often unique to each craft. They do need to know how much power is needed. Warbirds and racers – 13 and over. The maximum current and power is what determines how large of a prop and what size plane can be used with the motor. For example, if your motor is pulling 25Amps, and the Io is 2Amps, then you really only have 23Amps turning the prop. Headroom is the lower motor RPM relative to max motor RPM. in.) That’s because the operating speeds and loads can vary significantly between models. Undrestanding and Choosing Lipo Battery Packs, Home is known for their high quality ready to fly models. You'll have to ask someone smarter than me where the 1355 comes from, cause I don't have a clue! If you start looking for motors in this size range, you will see that most of them have a Kv of 400 -750 Rpm/volt I like the Turnigy SK line of motors from Hobbyking.com -let’s try the 42 … For that, I like the chart from Common Sense RC (commonsenserc.com). MotoCalc to purchase a registration key or CD. 2. Follow the links below for more insight into this endeavor. Download the MotoCalc Brand New Electric RC Model Airplane $85 (cnj > Pattenburg) hide this posting restore restore this posting. From the second I picked up my first remote control car as a little kid who could barely walk, to 30 years later, I have always enjoyed the thrill and entertainment of RC vehicles. 4. The disadvantage is a little more complicated wiring setup. You also need to be fairly familiar with lipo battery packs. If you'd rather use a different brand all you have to do is find another If you're looking to get into electric For example, the 200Kv motor will run at 2400 RPM's regardless of whether it has a 10x6 prop or a 11x5 prop. I personally recommend going with an RTF for your first electric airplane as it gives you hands on experience with the various components of an electric power system. Enter the Length of the control surface. The sample airplane: For the purpose of this tutorial, let’s assume I have a simple, ready-to-fly sport model that weighs 3 pounds. It is Note these guidelines come from the E-Flite website and are based on the parameters of E-Flite RC electric motors. 150-200+ watts/pound; Unlimited performance 3D models. It is possible to fly 6 minutes or … I have a few models ready to fly, but have recently bought a couple of half built models, both are Black Horse models, one a Piper Cub 72" wingspan, and the other is a Chipmunk with a 64" wingspan. Note these guidelines come from the E-Flite website and are based on the parameters of E-Flite RC electric motors. Shipping and handling. $39. Many scale (egwarbirds) planes s… T-Motor. MotoCalc will save you time and money by reducing the need for e Calc 's motor database is the most comprehensive on the web. (mm) Motor Mount Gear Ratio Prop Size (in) RPM Current (A) Minimum LiPo Batt.10: 24-33-4040: GPMG5165: SS-35: Not Needed : GPMG0505: 4: Small: 3.1:1: 7x5E: 12,180: 15.4: 3 cell … This is the internal resistance of the motor measured in Ohms. In the worst case scenario, the wrong prop can cause serious damage to components and this is especially true for electric powered rc airplanes. trademarks of Capable Computing, Inc. Run the downloaded program and follow the on-screen instructions Use this airplane design calculator to help you determine key airframe dimensions along with an approximate target weight and power for your radio control aircraft. That’s because the operating speeds and loads can vary significantly between models. fundamentals and thought process of choosing an RC electric motor for a specific airplane. $10 charge to cover media, shipping, and handling. The chart below also lists the roughly-comparable glow and gasoline power systems for reference. in.) I created RC Roundup to help you (Whether you are a beginner, novice, or advanced RC’r) find the perfect remote controlled vehicle and/or parts. to install MotoCalc. When combined with a 14s Lipoly battery and a 250Amp ESC the RotoMax motor will supply punchy, responsive power that only an electric … Hobbico's Nexstar is pictured above is an excellent electric powered ready-to-fly trainer . 750 watts = 1 horsepower. Kt is the "Torque Constant". The MotoCalc MotoWizard can: The prop selection for electric powered (EP) RC is not as straightforward as it is with IC engines. Simply multiply the current by the battery voltage to get power. accepted by most in the hobby that 100 Watts/lb is a darn good "estimate" for the Park 480 Brushless Outrunner Motor, 910Kv: 3.5mm Bullet $49.99 Price reduced from $63.99 to 4.1 out of 5 Customer Rating Convert Your Glow Airplane To Ammo Inrunner Brushless Motor; 2-Stroke Engine (cu. Electric motor power is stated in watts. Rm is the "Terminal Resistance". MotoCalc, the MotoCalc logo, MotoWizard, and MotOpinion are Park 480 Brushless Outrunner Motor, 910Kv: 3.5mm Bullet $49.99 Price reduced from $63.99 to 4.1 out of 5 Customer Rating All the different brands, Electric motors have several designations such as 280, 300, 400, 480 and 600, which refer to the case length and also give an idea of their power and weight. Predict system and aircraft performance and flight Equip your airplane with a RimFire, and watch it reach new heights! tons of nice and affordable. favorite this post Feb 13 RC AIRPLANE 2 ALUMINUM COWLS Run the downloaded program and follow the on-screen instructions It’s simple to understand and provides a good base from which to start. The larger the propeller's diameter and pitch, the more current the RC electric motor will draw for a given RPM. When shopping for RC electric motors, it's important to understand what all those numbers and specs really mean. Replacement Motor Motor Stock # ESC ESC Adapter Gearbox Gearbox Shaft Dia. If you don't have this reference, or are working on a glow to electric 4. Optimize a set-up using the components you have on 750 watts = 1 horsepower. $15. If you prefer a CD version, there is an additional new to the hobby. >>. The prop selection for electric powered (EP) RC is not as straightforward as it is with IC engines. 2220; 2808; 2814; 2820; 2826; 3010; 3015; 3020; 3025; 3520; 4120; Exceed RC Optima Motors; Dynam Motors. The plane reaches max level flight speed when the Thrust becomes equal to Drag. time. Electric Motor and Propeller performance calculator helps you estimate Efficiency, Output Power, Thermal Power, Current, Thrust and RPM. Note: Our phone number has changed! Tutorial Introduction to MotoCalc Tutorial Introduction to MotoCalc power required for an average sports/aerobatic RC airplane. recommend the specific brand of RC electric motors that they are affiliated installation program. Select the Maximum Servo Deflection in degrees from neutral/center. All rights reserved. Condition is "Used". RC AIRPLANE ELECTRIC MOTORS $15 (BROOKFIELD OHIO) pic hide this posting restore restore this posting. Try it for free for up to 30 days. The rule read something like this: • 50-75w/lb for Cub-like planes or Trainers • 100w/lb for Sport/Aerobatic/Pattern planes Kv is the "Voltage Constant". You may want to lower this number for a high lift Our flight without having to worry about sizing the components, there are The combination of superior performance and a competitive price makes these power plants a great value. Just accept it for what it is. provides a step-by-step illustrated guide to using MotoCalc. maybe 150-200 Watts/lb. > configurations. Free shipping for many products! you want to fly it. For all motors, Kt= 1355/Kv. Use this airplane design calculator to help you determine key airframe dimensions along with an approximate target weight and power for your radio control aircraft. Typical WCL Values for Models. The graph below shows Thrust & Drag vs Speed for 3 props with different P/D ratios. about eCalc - drive calculator eCalc - Overview of electric Motor Calculator Service Since 2004 e Calc 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. to install. Learn More Premium Radio Control parts for planes, drones, cars, trucks, boats and helis That way even if one battery totally fails, you will still have motors on both sides of the plane working. Awesome, let's get onto the basic fundamentals and thought process of choosing an RC electric motor for a specific airplane. favorite this post Feb 13 RC AIRPLANE GUILLOW'S AVENGER $10 (BROOKFIELD OH) pic hide this posting restore restore this posting. plane very quickly from standstill, but will give less top speed. Even though brushless motors are a type of AC motor, the assumptions made allow us to use Kv in a similar way as with brushed DC motors. Compare predictions for different power system The RC airplane design calculator has been created in order to provide an approximation of specific airframe parameters. The RC airplane design calculator has been created in order to provide an approximation of specific airframe parameters. If you are satisfied, click Order a Key or CD in hand. >> Nailing down which RC motor to use is only one piece of the puzzle. Copyright © 2018 by Capable Computing, Inc. Example: 30% head room would be 100 - 70 = 30. Get your radio control airplane motor at RC Planet. Convert Your Glow Airplane To Ammo Inrunner Brushless Motor; 2-Stroke Engine (cu. Hobbico's Nexstar is pictured above is an, If you're completely new to the hobby, now's a good time to get familiar with the, It is also a good idea to have a basic understanding of the difference of. recommending a specific motor. > RC Electric Motors, By Matt Brown, Copyright © 2007-2021 Hooked-on-RC-Airplanes.com, If you're looking to get into electric $10. For example, if you apply 12volts to a 200Kv motor, it will turn at just under (12 x 200) 2400 RPM's. Manufacturer of High Quality Radio Control Products and Model Accessories for over 50 years. MotoCalc Tutorial. Required Servo Torque Calculator - RC Airplane Calculator Enter the planes maximum airspeed in km/h Enter the Average Chord dimension of the control surface. There’s nothing more rewarding than building your own RC Airplane from the ground up! We carry the complete line of airplane parts and accessories for top brands like, ParkZone, Great Planes, Flyzone, E-Flite and more. The model I described above was for a brushed DC motor. Seller assumes all responsibility for this listing. Less than 50W/lb - very lightweight / low wing loading slow flyer. MotoCalc electric flight performance prediction software. 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. 110-130 watts/pound; Advanced RC airplane aerobatics and high speed RC airplanes.. 130-150 watts/pound; Lightly loaded 3D electric RC planes and the electric ducted fan. Choosing RC electric motors for your RC airplanes isn't quite as straight Recommended Build Specifics – RC Airplane Design Calculator The recommended build material … See more screenshots >> MotoCalc 8 is the most comprehensive , accurate , versatile , and easy to use RC electric flight power system selection and prediction program for the hobbyist. tons of nice and affordable ready to fly electric airplanes on the market. If you would like to download this calculator in an Excel format, please click here The chart below also lists the roughly-comparable glow and gasoline power systems for reference. Electric RC Airplanes If you plan to fly high alpha 3D maneuvers you'll want to bump that up to General sport and scale aerobatics – 7 to 10. Download now and try it free for 30 days! users. experimentation! But, the 11x5 prop will cause the motor to draw more current. Visit Us Today. see our contact page. 2) Pack Capacity Gliders Mystique Example ~ four climbs: – Max current = 44 amps – 44 / 15 = 2.9 = 2900 mAh – 44 / 12 = 3.7 = 3700 mAh Stock Battery 3200 mAh 30C Single Climb: – 44 / 30 = 1.5 = 1500 mAh (1300 mAh standard) – Max current = 44 amps * 30 seconds = 367 mAh – 30C * 1.3 = 39 amps – 45C * 1.3 = 58 amps – In theory, a 1300 mAh 45C battery should climb once Trainers, park flyers, 3D – 5 to 7. AMain carries top-quality kits in ARF (Almost Ready to Fly), BNF (Nind-N-Fly), PNP (Plig-N-Play) and fully unassembled styles that let you build all types of flying electric models, from sport flyers and aerobatic airplanes to warbirds, ducted-fan jets and commercial aircraft. A step by step method to choose a electric RC motor and its propeller for your plane. Find many great new & used options and get the best deals for Model Aircraft Brushless Motor Hacker A40-12l V2 14-pole KV (rpm per Volt) 410 Turns 12 at the best online prices at eBay! 3. $35. Electric motor power is stated in watts. with. The motor size and kV rating are listed in the product titles below (visit our Knowledge BLOG for a detailed explanation of motor specifications). Finding our motor At 3 watts per gram of mass, we should choose a motor weighing at least 245 grams. $10 charge to cover media, shipping, and handling. For marketing purposes, they will obviously $39. 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. The prop with P/D ratio of 1/2 yields higher thrust at low airspeed, but gives lower top airspeed. What’s so easy about selecting an electric motor? Slow flyers and thermal gliders – under 4. Outrunners brushless motors generally have a lower Kv, which in turn produces more torque at a slower speed for spinning those larger props. A general rule of thumb for electric powered flight was originated by Dr. Keith Shaw several decades ago based upon the older Astro Flight Cobalt brushed motors. 110-130 watts/pound; Advanced RC airplane aerobatics and high speed RC airplanes.. 130-150 watts/pound; Lightly loaded 3D electric RC planes and the electric ducted fan. Trainers, park flyers, 3D – 5 to 7. This is a shoe box full of electric rc airplane motors and speed controllers. If you prefer a CD version, there is an additional A step by step method to choose a electric RC motor and its propeller for your plane. Replacement Motor Motor Stock # ESC ESC Adapter Gearbox Gearbox Shaft Dia. 80 to 120 W/lb - general sport flying and basic/intermediate aerobatics.
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