Now all these data come at your finger with the gps speed meter by skyrc. The rc airplane design calculator has been created in order to provide an approximation of specific airframe parameters. By inputting horsepower, motor efficiency, power factor, and system voltage the system will calculate the disconnect size, feeder size, and starter size. Want to find the perfect set up for your next project. Tips for converting rc gas engines to electric motors. These four basic servomotor sizing concepts are introduced. Using content of this portal for any commercial purpose or any derivative work or misuse of any kind is strictly prohibited and may invite legal consequences. Consider the speed is estimated based on kv of the brushless motor without. You will need these numbers to help determine the motor, battery, and prop requirements. The rc airplanes are flown remotely with the help of a transmitter with joysticks that can be used to fly the aircraft and perform different maneuvers. This motor will provide clean and efficient power for your large scale aircraft without the mess and hassle of fuel.
Based on these 2 numbers, you can see that the constant for the 3008 size motor is right arounf 35,000. Rc calc application contains a set of useful calculators that help in setting up and maintaining rc cars. Gear speed is the best gearing tool for your brushless rc car. Mar 18, 2017 hi guys, im working on a project where i need to find the torque produced by the rear wheels of an rc car so that i can convert it into power and then into the current required by the motor. After much research, i have found the following to be reliable, have. Design, development and demonstration of rc airplanes.
Download gear ratio calculator a simpletoconfigure and compact program that helps you calculate your cars gear ratio and export the information to hdc or hdv file format. Many factors have been taken into consideration to make this calculator as accurate as possible, but certain variables like vehicle weight, battery quality, drivetrain drag, etc can have an effect on the actual speed. 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. Traxxas velineon vxl 3m brushless power system for 116 scale tra3370. Click recommend my pinion button to start with that pinion tooth count. Rc time constant calculator if a voltage is applied to a capacitor of value c through a resistance of value r, the voltage across the capacitor rises slowly. Stop wondering how fast your rc car can run and how high your rc airplane or helicopter can fly. To switch between calculators, select the desired one. Please note, servos can vary from these guidelines, so always check the product page for detailed specifications. Electric motor and propeller performance calculator helps you estimate efficiency, output power, thermal power, current, thrust and rpm.
Other scoring programs have come and gone, but none are as friendly, flexible, and affordable for race directors or as accurate, authentic and fullfeatured for racers. These need to be arranged one of two ways, delta or wye. To help you select the correct servo for your project we have included an approximate weight and size specifications for each servo category. Drive calculator and propeller calculator are freeware and may not be used for commercial purposes or copied and passed on for profit. The worlds best electric flight calculator 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 download now and try it free for 30 days. The time constant is defined as the time it will take to charge to 63. Servo driver eliminating the need for a receiver during motor measurement.
Drive calculator is a tool for dc motor analysis and the computation of the complete power. Voltage v current a throttle input % motor load or torque nm speed rpm the rcbenchmark software is a calculator that automatically calculates the following parameters for you. Oct 30, 2017 size servos using peak torque, rms torque, inerita ratio, and speed. May 09, 2010 a great utility to calculate and design your own model aircraft is the design calculator. Servo motor sizing basics part 1 core concepts youtube. Dynamite motor and pinion gear for the 124 4wd temper dyns1202. This matches the calculator above if you set the following values. This calculator is used to find the approximate maximum speed of your brushless powered rc vehicle. To fully characterize a motor, you need to measure the following parameters. Turnigy rotomax 150cc size brushless outrunner motor. How to measure brushless motor and propeller efficiency.
Rc scoring pro was created by doug hay, and has been powering rc races around the world for over a decade. Use of similar props often leads to inaccurate calculations of rm, kv, and io. How to calculate torque on the rear wheels of an rc car. Ga motor for giant rc airplane series high torque design, diameter 90mm outrunner using 12s and 10s lipo battery replacing 60 cc gasoline engine applied up to 9 kg 3d model environmental friendly product key features. From imperial war museum the sailor in the above photo markys is really a sailor, but hes a british sailor. This calculator was created to help calculate the copier magnification setting for scaling model airplane or boat, or helicopter, or car, or anything up or down. He is knowledgeable about brushless motors for the rc world and particularly keen about solar powered rc cars. Flight calculators castle homepage castle creations. Rc calculations logo rc vehicle speed calculator scriptasylum. Motocalc electric flight performance prediction software. The popularity of gps devices inspired skyrc to design this gadget at about 41g. Kv is related to the torque level of the motor, whats the torque. Calculate, evaluate or verify the center of gravity cg, neutral point np.
Rc motors have 6 power wires coming out of them, one set of wires for each group of windings. Rpms per volt enter the lipo cells in series enter the amount of teeth for the pinion gear and spur gear enter the amount of teeth for the pinion hear and spur gear of the differential enter the. Each of these loans has its own set of qualifications, with. Our brand new hacker ecalc setup calculator can help. If you look at the 300828 motor, it has a kv of 1253. Games downloads rc flight simulator by awake dream and many more programs are available for instant and free download. Helps you locate your planes center of gravity cg, as well as calculates the aerodynamic center ac, mean aerodynamic chord mac, neutral point np, wing loading, wing area and stall speed. Make your selections below and the form will automatically. Discussion eflight calculators compilation rc groups. How to for adding tested motor data to drive calculator by ken myers. Motocalc will calculate weight, current, motor terminal voltage, input power and power loading, power loss, output power and power loading, motor gearbox efficiency, batterytoshaft efficiency, motor and propeller rpm, thrust, pitch speed, rate of climb, and runtime by producing a table of predictions, motocalc lets you scan the.
The blue line is the hw reset, and the yellow line is the output of the rc pair. Kv is in proportion to volt, 2 volts will rotate twice value of kv. Forget the slow web calculators with limited features. Brushless electric estimated speed calculator rc car calculator. So tpmech pmech pelec imotor here are the details for the car. This calculator is used to find the approximate maximum speed of your brushlesspowered rc. The construction monkey motor calculator lets you figure out electrical characteristics of your system given a specific motor. Gear speed brushless rc speed calculator on the app store. Find ecalc online setup calculator by hacker motor.
Owning a recreational vehicle is a highly rewarding thing for those who love camping and life on the road. Motor wiring builders of 3 phase brushless rc motors motor drivetrains have to pay attention to the motor wiring. Kv is the main parameter of motor, it is measure the speed of motor. From our early brushless conversions to our patented slipperential center diff and custom chassis configurations, we have been innovators at the forefront. Loans can be acquired through standard banks and financial institutions, dealership loans, and personal loans. Rvs can be a large purchase, requiring buyers to obtain financing. Rc planes are small model radiocontrolled airplanes that fly using electric motor, gas powered ic engines or small model jet engines.
The material in this module was published in printed form by design. Since 2004, rcmonster has been providing brushless setups, high quality conversions, advice, hopup parts and custom cnc goodies for the radio control community. The content on this portal is meant for sharing information regarding vehicles on the basis of information available on centralized vahan and vehicle national register. Feb 03, 2016 rc gear ratio, pinion, spur gear and speed adjust of your rc brushless car using this easy excel tool for free download. Servo size weight range typical servo width typical servo length. Thinking about it this way, it doesnt matter which gear you change its applicable to any vehicle, any gear pitch, and any tooth count. Calculated out this gives an electric horsepower of 1.
So if you wanted to get more torque and less top speed out of our example slash vxl, you could either up the spur gear to the 90tooth option traxxas offers, or lower your pinion gear down to, say, a 20tooth gear or any other tooth count lower than 23. Motocalc will calculate weight, current, motor terminal voltage, input power and power loading, power loss, output power and power loading, motorgearbox efficiency, batterytoshaft efficiency, motor and propeller rpm, thrust, pitch speed, rate of climb, and runtime by producing a table of predictions, motocalc lets you scan the. Rc servos are categorized into six standard sizes shown in the table below. Upgrade your 150cc size gas engine model with the turnigy rotomax 150cc brushless outrunner motor. When combined with a 14s lipoly battery and a 250amp esc the rotomax motor will supply punchy, responsive power that only an. You just input the dimensions and the calculator does the rest including a calculation to find the centre of gravity on your model. This calculator is used to find the approximate maximum speed of your brushlesspowered rc vehicle. Ntm propdrive 3530 brushless motor and quantum 4 carbon fibre prop. Scale calculator for model airplane plans airplanes and.
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