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Newbie with spinner

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exibar:

--- Quote from: goofy on September 09, 2004, 07:58:54 pm ---Anyone?

Also, How do you keep the spindle from having side-to-side movement? I've got a 1/4" spindle and a 1/4" bushing, but there is still some play which translates into wobble at the encoder wheel.

--- End quote ---

  Don't use a bronze bushing, use a bearing instead.  You can get a bearing with the exact ID to match the OD of your spinner shaft.  Check out any hobby store that sells Radio Control cars/planes, or online www.towerhobbies.com will has a full line of bearings.

  With a bearing you can eliminate 100% of shaft wobble side to side.  Up and down motion can be limited  with bearings on the shaft and a metal collar around the shaft to prevent up/down motion.  You'll have a slight bit of up/down play, but even as much as an eighth of an inch is fine as long as the encoder wheel isn't hitting the encoder board...

 Mike B

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