Tape Drive Capstans

TeoZ teoz at neo.rr.com
Thu Jan 29 18:02:12 CST 2015

I used to think that computer rubber parts had more issues because of old 
laser printers being close by releasing ozone (hell on humans and rubber 
parts). Once the rollers start getting soft they are junk. Never really had 
much of a problem with bad rubber on my tape equipment but I have received a 
few old NEC Versa laptops where their rubber pads on the bottom had 
literally turned to snot I had to clean out with q-tips.

-----Original Message----- 
From: Chuck Guzis
Sent: Thursday, January 29, 2015 6:18 PM
To: General at classiccmp.org ; Discussion at classiccmp.org:On-Topic and 
Off-Topic Posts
Subject: Re: Tape Drive Capstans

On 01/29/2015 02:30 PM, Mike Stein wrote:

> Odd; the belts certainly stretch and often turn to goo, but I haven't
> run across any melting rollers or idlers in my piles of consumer audio
> and video stuff yet. Maybe just not old enough; I wonder if there's any
> way to prevent or at least delay the deterioration it if it hasn't
> started yet.

I've got two Nakamichi cassette decks; both are the same model.  One has
pinch rollers the consistency of modeling clay; the other is just fine.
   So mileage must certainly vary.

I tend to think it's the same story--the problem is chemical degradation
and you're not going to stop it by any simple means.


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