i.Farm - Gear Motor Comparison

We decided to compare 3 gear motors that are available for sound and output. This is a quick note so you can hear the sound output of each.

The three motors are:

Pololu 4756

AndyMark 4252

AndyMark 3656

Pololu 4756

https://www.pololu.com/product/4756

AndyMark 4252

https://www.andymark.com/products/12-volt-dc-192-1-reduction-gearmotor-with-0-5-in-hex-output?

AndyMark 3656

https://www.andymark.com/products/pg188-gearmotor-with-0-5-in-hex-output

** We also purchased motors from Servo City, but due to a logistic problem, we didn't have them at the time of this comparison. We will it up later and update this post. The unit we intend to test is:

https://www.servocity.com/84-rpm-hd-premium-planetary-gear-motor-w-encoder