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Copy this spreadsheet to customize your analysis! ๐Ÿ“š๐Ÿ“๐Ÿ“Speed Constant (Kv)Max Current*Max voltagePhase ResistancePrice (qty 1pc)MassLinkTorqueNo-load speedPower at base speedMotor size constant (Km)ForceLinear VelocityLinear AccelerationTime to base speedDistance to base speedBase speed kinetic energyEncoder freq. (base speed)
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(feilds highlighted in blue are inputs)rpm/VAVmOhmUSDgNmRPMRad/sWNm/sqrt(W)Nm/sm/s^2 msmmJkHz
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ODrive Robotics D5065 - 270kv 27065323979420
https://odriverobotics.com/shop/odrive-custom-motor-d5065
1.998640904.7818010.13208.498.6469.57124.18536.4770.92294.91
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ODrive Robotics D6374 - 150kv150704839109890
https://odriverobotics.com/shop/odrive-custom-motor-d6374-150kv
3.865760603.1923280.23404.155.76134.8742.71123.0031.52196.61
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ODrive Robotics D5312 - 330kv330503041230
https://odriverobotics.com/shop/dual-shaft-motor-d5212s-300kv
1.2599001,036.731299131.229.9043.79226.091,119.1493.11337.92
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ODrive Robotics M8325s - 100kv1006060448414.963840402.1219950.32
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Tarot 4008 330kv33025243280
https://www.aliexpress.com/item/F17601-Tarot-4008-Martin-RC-Brushess-Motor-TL2955-RC-Quadcopter-Motor-for-Quadcopter-Multicopter-Drone/32697306634.html
0.637920829.3852065.617.9221.89361.741,432.5059.59270.34
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Turnigy Aerodrive SK3 - 4250-350kv350502036266
https://hobbyking.com/en_us/turnigy-aerodrive-sk3-4250-350kv-brushless-outrunner-motor.html
1.187000733.04866123.727.0041.29169.55593.4246.55238.93
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Turnigy Aerodrive SK3 - 5065-275kv275604066530
https://hobbyking.com/en_us/turnigy-aerodrive-sk3-5065-275kv-brushless-outrunner-motor.html
1.80105601,105.841995188.9510.5663.05167.47884.26105.94360.45
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KEDA 63-64 190KV190504049670
https://hobbyking.com/en_us/kd-53-30-high-voltage-brushless-outrunner-190kv.html
2.187296764.041663227.907.3076.0595.93349.9750.57249.04
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Turnigy Aerodrive SK3 - 6374-149kv149684890840
https://hobbyking.com/en_us/turnigy-aerodrive-sk3-6374-149kv-brushless-outrunner-motor.html
3.775722599.162261395.235.72131.8943.38124.1031.10195.30
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9235-100KV Turnigy Multistar1005748103674
https://hobbyking.com/en_us/9235-100kv-turnigy-multistar-brushless-multi-rotor-motor.html
4.713840402.121896493.633.84164.7323.3144.7614.01131.07
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Hoverboard Hub-motor16254840a lot
https://www.ebay.com/sch/i.html?_nkw=hoverboard+replacement+wheel
12.9261464.348311,353.160.61451.561.360.420.3620.97
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*Note that torque and current ratings are with Extremely good forced air cooling
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See Torque derating curve
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ParameterValue
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Bus voltage48V
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Max modulation0.8
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Load mass1.9kg
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Rotor inertia1.00E-04kg m^2
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Pulley circumference or screw pitch60mm/rev
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Radius0.009549296586m/rad
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Reflected inertia1.10kg
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Peak brake power1200W
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Brake resistor resistance1.92ohm
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Conversion constants
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I by kv to Nm8.269933431
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Encoder
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Encoder resolution2048ppr
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Linear resolution7.32um
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Max speed15000RPM
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