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wrote:
wrote:
This happened all the time to Philips drive bands in tape recorders of
the sixties and seventies. I'd have thought they had changed the
formulation of the rubber by now...

Which reminds me, Philips actually did. In all of their videorecorders
from 1986 up to 2002 I have had to replace maybe 1 drive belt that
stretched a bit, never had one turn to liquid like they used to. On the
other hand, in the same time period their pinch rollers were a disaster.
Turning from soft rubber into a hard glass-like material, sometimes
only after 1 or 2 years of usage.

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Met vriendelijke groet,

Maarten Bakker.

yesterday i restored an old philips reel to reel from around 1963.
strange thing was, the main belt was fine , but the rubber brake
blocks, take up spool belt and take up spool clutch `s rubber insides
had all turned to goop. Pinch roller was hardened on the outside but
springy under that outer layer. my usual method is to scrape as much
off the pulleys as possible with a screwdriver before trying to mop up
the rest with tissues and q-tips dipped in alcohol.

Talking about vcr`s, As you mentioned,I`ve found the pinch rollers on
the turbo and `charley` decks to die really quickly by turning hard.
Also a few even newer (less than 4 years old) Aiwa models - turned bad
way too soon in my opinion!

B.