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Motor NamePrice (USD)Mass (g)Max Voltage (V)Body Length (mm)Free Speed (RPM)Stall Torque (Nm)Stall Current (A)Number of Pole-PairsGearbox Suggestion
ODrive Dual Shaft Motor 150 Kv$10989048
28803.86707
Maxon EC 60 Flat

$147.84 (order of 1-4)

$129.93 (order of 5-19)

375484840204.8743.2 7


Expand
titleGearing stats

@ 15% less than than the nominal torque...

  • Motor torque = 490.45 mNm
    • Motor torque with a 30% efficiency loss = 343.315 mNm
    • Motor speed with efficiency loss = 3783 RPM
  • Current drawn = 4.340 A/motor
    • 26.042 A for the drivetrain
  • Required ratio = 66:1


66:1 Planetary Maxon Gearhead
  • 78.5mm in length
  • 770g

  • $432.63 (order of 1-4)

    • $371.63 (order of 5-19)

  • Max continuous torque of 30 Nm
Maxon EC Frameless 60On request333483739705.0143.87


Expand
titleGearing stats

@ 15% less than than the nominal torque...

  • Motor torque = 271.15 mNm
    • Motor torque with a 30% efficiency loss = 189.805 mNm
    • Motor speed with efficiency loss = 3852 RPM
  • Current drawn = 2.38 A/motor
    • 14.27 A for the drivetrain
  • Required ratio = 119:1

Requires a custom housing to pair with a 83:1 or greater gearhead

Ex. 126:1 Planetary Maxon Gearhead

  • 78.5mm in length
  • 770g

  • $432.63 (order of 1-4)

    • $371.63(order of 5-19)

  • Max continuous torque of 30 Nm


Electrocraft RP23 BLDC Motor

160
43001.3412.6


Expand
titleGearing stats

@ 15% less than than the nominal torque...

  • Motor torque = 442 mNm
    • Motor torque with a 30% efficiency loss = 309.40 mNm
    • Motor speed with efficiency loss = ~ RPM
  • Current drawn = 4.131 A/motor
    • 24.785 A for the drivetrain
  • Required ratio = 119:1