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HENNKWELL Gear Motor

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GiorgosD:
I have 4 HENNKWELL Motors on an old robot. I want to use them on a new one i am building but i can not find any specifications for this motors. can someone help please?
the part number is:
HENNKWELL GH37C280E12-052
Two of the motors are equipped with an encoder as well. ANy information on this encoder will be appreciated also.
THank you

waltr:
If you can not find any data on this motor/encoder then you'll need to make measurements.
Although you probably know some of the vital info such as the Voltage of the motors.

Questions to help you characterize the motors:
1- operating Voltage (what batteries did the robot use)?
2- Are they DC brushed motors?
3- What is the motors winding resistance? (this give an idea of the Stall current from Ohm's Law).

The Encoders will be a little harder.
1- Are they passive? or active? (do they require a Voltage)
2- how many wires on the encoder?
3- A very common encoder is the Quadrature encoder so google this to learn how they work. This can give you a starting point to figure out the encoders.

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