Tape Drive Capstans

[Chuck Guzis]

On 01/30/2015 01:41 PM, Josh Dersch wrote:
> To add a recent experience of mine, I recently rebuilt a Cipher 540 QIC
> drive (in a Ridge32).
>
> The ID/OD of the capstan wheel on this drive is (roughly) 31/64" ID, 5/8"
> OD (i.e. the inner diameter is JUST a shade under 1/2"), with a thickness
> of 1/4".  I found some 3/32" thick square o-rings with a 7/16" inner
> diameter and 5/8" outer for $0.10 each (from http://www.theoringstore.com/)
> and I ordered a few -- the inner diameter is a bit smaller than required,
> but I figured it'd just make it stay on better (well, why not for the
> price...)

Hmm, I wonder if an Amphenol neoprene cable bushing might provide a 
source there.  You'd want to stretch it a little, of course.

http://www.mouser.com/ds/2/18/10-35910_C_Page1-187700.pdf

Cheap enough.

--Chuck