227:1 Metal Gearmotor 25Dx56L mm
227:1 Metal Gearmotor 25Dx56L mm
This cylindrical, 2.2" x 0.98" x 0.98" brushed DC gearmotor with a 227:1 metal gearbox is a lower-current,
lower-speed alternative to our 25D mm HP gearmotors.
These units have a 0.315"-long, 4 mm-diameter D-shaped output shaft.
Key specs at 6 V: 25 RPM and 80 mA free-run, 220 oz-in (15.8 kg-cm) and 2.2 A stall.
(Note: stall torque and current specifications are theoretical values; stalling the motor is likely to damage the gearbox.)
These motors are intended for use at 6 V.
In general, these kinds of motors can run at voltages above and below this nominal voltage,
so they should comfortably operate in the 3 – 9 V range, though they can begin rotating at voltages as low as 1 V.
Higher voltages could start negatively affecting the life of the motor.
These gearmotors have output shafts with a diameter of 4 mm.
The Pololu universal aluminum mounting hub for 4mm shafts can be used to mount our larger Pololu wheels
(60mm-, 70mm-, 80mm-, and 90mm-diameter) or custom wheels and mechanisms to the gearmotor’s output shaft
(see the left picture below).
These are the same type of motors used in the Wild
Thumper all-terrain chassis, and the gearbox’s output shaft works directly with
the 120mm-diameter Wild Thumper wheels.
מידות
Size: | 25D x 56L mm |
---|---|
Weight: | 3.3 oz |
Shaft diameter: | 4 mm |
מאפיינים כלליים
Gear ratio: | 227:1 |
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Free-run speed @ 6V: | 25 rpm |
Free-run current @ 6V: | 80 mA |
Stall current @ 6V: | 2200 mA1 |
Stall torque @ 6V: | 220 oz·in1 |
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