Gear Motor 8 143:1 Offset Shaft The GM8 is similar to the GM2 gear motor but runs at nearly twice the speed. This 143:1 gear motor spins at 40RPM on 3V of 400mA at stall generating 44.4 in*oz torque (free running @ 50mA). With a 7mm doubleflat output shaft a builtin clutch and builtin mounting screw holes. You must avoid using the green double flat output shaft it's not meant to take rotational load. These units are overall 53.8mm x 47.8mm x 22.9mm thick or 2.12 x 1.88 x 0.902 thick and weighs in at 31.5g or 1.13oz.
- Description: Offset / Inline
- Motor Gear Ratio: 143.00:1
- At 3 Volts Unloaded RPM (3V): 40
- Unloaded Current (3V): 50 mA
- Stall Current (3V): 400 mA
- Stall Torque (3V): 44.44 in*oz
- At 6 Volts Unloaded RPM (6V): 52
- Unloaded Current (6V): 92 mA
- Stall Current (6V): 700 mA
- Stall Torque (6V): 76.38 in*oz
- Length (mm): 55.00 mm
- Width (mm): 48.00 mm
- Height (mm): 23.00 mm
- Weight: 32.00 g