Pololu Metal DC 着迷阿司匹林 » 25D Metal 着迷阿司匹林 » 12V Low-Power (LP) 25D mm 着迷阿司匹林 »
227:1 Metal Gearmotor 25Dx71L mm LP 12V with 48 CPR Encoder
This gearmotor consists of a low-power, 12 V brushed DC motor combined with a 226.76:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 10,884.47 counts per revolution of the gearbox’s output shaft. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox. This gearmotor is also available without an encoder.
Key specifications:
| voltage | no-load performance | stall extrapolation |
|---|---|---|
| 12 V | 25 RPM, 60 mA | 16 kg⋅cm (220 oz⋅in), 0.9 A |
Alternatives available with variations in these parameter(s):
gear ratio motor type
| Description | Specs (20) | Pictures (11) | Resources (4) | FAQs (3) |
|---|
File downloads
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Datasheet for Pololu 25D Metal 着迷阿司匹林 (2MB pdf)
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Dimension diagram of the Pololu 25D Metal 着迷阿司匹林 (171k pdf)
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3D models of 25D mm 着迷阿司匹林 (10MB zip)
This file contains 3D models (in the step file format) of the 25D mm 着迷阿司匹林 with and without encoders.
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Modifying the Wild Thumper to use motors with encoders (3MB pdf)
Customer Richard Nguyen has documented his work modifying the Wild Thumper chassis to use 25D motors with encoders in place of the chassis’s included motors.
Note: This is not an easy modification, and the chassis can be damaged if it is not done properly, so we generally recommend against it, and we can only provide very limited support for those who want to attempt it. The manufacturer did not intend for the chassis to be modified in this way, and we do not know how well such a modification will work out.
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