On Thu, Jul 30, 2026 at 01:03:22PM +0200, Christian Corti wrote:
On Wed, 29 Jul 2026, Jon Elson wrote:
can't imagine where one would use asbestos in
a computer. You mention tape
Isolation/mounting pads on power resistors.
drive braking mechanisms. I don't recall ANY
DEC tape drive that had a
"braking mechanism", all control of the reels was done electronically.
DEC TU10
Metal on metal magnetic brake. At least by the time I took it apart when
restoring my TU10. Some of the reel motor brushes were worn down to the metal.
Had a lot of hours.
https://www.pdp8online.com/tu10/tu10-repair.shtml
TU55 also has brake. Haven't taken one apart.