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- Pololu 100:1 Metal Gearmotor 37Dx57L mm 12V (Helical Pinion)
- Features a powerful brushed DC motor
- Offers a face plate with six mounting holes
- Has a 6 mm-diameter D-shaped output shaft
- Provides helical gears for reduced noise and improved efficiency
- Includes 12 mm Hex wheel adapter for 6 mm shaft
The Pololu 100:1 Metal Gearmotor 37Dx57L mm 12V (Helical Pinion) is a powerful brushed DC motor with 102.08:1 metal gearbox intended for operation at 12 V.
The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft.
Measuring 37 mm (1.46 inches) in diameter, these brushed DC gearmotors are Pololu's largest and most powerful ones. They are available in a range of gear ratios from 6.3:1 to 150:1 and with 12 V or 24 V motors, and all versions are available with integrated 64 CPR quadrature encoders on the motor shafts.
The 12 V and 24 V motors offer approximately the same performance at their respective nominal voltages, with the 24 V motor drawing half the current of the 12 V motor.
This gearmotor is a powerful brushed DC motor with 102.08:1 metal gearbox intended for operation at 12 V. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft.
The face plate has six mounting holes evenly spaced around the outer edge threaded for M3 screws. These mounting holes form a regular hexagon and the centers of neighboring holes are 15.5 mm apart.
- 1 x Pololu 100:1 Metal Gearmotor 37Dx57L mm 12V (Helical Pinion)
- Voltage: 12 V
- No-load performance: 100 RPM, 200 mA
- Stall extrapolation: 34 kg·cm (470 oz·in), 5.5 A
- Gear ratio: 102.08:1
- No-load speed @ 12 V: 100 rpm
- No-load current @ 12 V: 0.2 A
- Stall current @ 12 V: 5.5 A
- Stall torque @ 12 V: 34 kg·cm
- Max output power @ 12V: 8 W
- No-load speed @ 6 V: 49 rpm
- No-load current @ 6 V: 0.15 A
- Stall current @ 6V : 3.0 A
- Stall torque @ 6 V: 21 kg·cm
- Motor type: 12 V
- Weight: 195 g
Performance at maximum efficiency
- Max efficiency @ 12 V: 44 %
- Speed at max efficiency: 87 rpm
- Torque at max efficiency: 4.2 kg·cm
- Current at max efficiency: 0.72 A
- Output power at max efficiency: 3.8 W
- Encoders: No