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In Reply to: RE: 2 motors is better than 1 ... posted by Tube747 on September 25, 2016 at 15:57:16:
Mounting the motors on the same chassis as the bearing is a baaad idea, IMO.
On mine, each motor is bolted to the underside of a approx 4"x4" earthed steel plate - these plates are bolted to the top of 3"D brass cylinders (very heavy).
The cylinders don't rest on the perspex base of the TT (which the brass pods under the springs do) - there's a hole cut in the perspex, so the motor pod rests on the benchtop below and doesn't come into contact with the sides of the hole. So the motors are entirely separate from bearing.
Are you sure DC motors don't have any vibration (for your "arrow chassis")?
Andy
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Follow Ups
- RE: Correct ... - andyr 16:59:09 09/25/16 (0)