[Milsurplus] Cable lacing

J. Forster [email protected]
Sun, 11 Apr 2004 13:21:34 -0400


David Stinson wrote:

> J. Forster wrote:
>
> > Lacing has NOT been used in space programs from at least the late 60s. The cord is
> > springy and Teflon insulation cold flows in space vacuum, causing shorts in cable
> > bundles.
>
> Interesting.  Did they find that out on Gordon Cooper's Mercury flight
> when all his systems shorted out?
> What kind of insulation do they use?
>

I don't know. I only worked on unmanned missions. After the Apollo fire, they switched
from Teflon to Kynar (polyamide) as I remember. On one instrument, we removed all the
lacing and re-did the cables.
-John