Tape Drive Capstans

[Al Kossow]

On 1/29/15 2:01 PM, Al Kossow wrote:
> On 1/29/15 1:41 PM, Chuck Guzis wrote:
>> Pinch rollers, actually.
>>
>> Does anyone have specs for a typical pinch roller?  Namely, hardness (Share D)?  I wonder of plain old casting polyurethane might be the best solution.  Most casting resins seem to clock in at Shore
>> 70D.
>>
>> --Chuck
>>
>>
> here is a nice chart with three hardness scales
>
> http://www.sdplastics.com/polyuret.html
>
>
>
>
The Norprene tubing I'm using is Shore A 61

http://www.usplastic.com/catalog/item.aspx?itemid=23485