Possibly so. But I've seen the carpets smoking during a prolonged ground
run in a Europa. The phenolic (on the inside) can become far hotter than
can be touched due merely to the close proximity of an exhaust on the other
side.This is without the insulating effect of the carpet.
The glue holding the carpet burns quite nicely too.
Duncan McFadyean
On Friday, February 22, 2002 11:02 AM, Graham Singleton
[SMTP:grasingleton@avnet.co.uk] wrote:
> >Because when the firewall is called upon to become a real firewall the
> >carpets serve to make a fire on both sides.
> >Handling two emergencies simultaneously is often curtains (to mix
drapery
> >metaphors).
> >The sage guidance of JAR-VLA goes against it too (I'll quote directly,
in
> >case you don't have a copy of this worthwhile code).
>
> Incomplete logic IMHO.
> The phenolic firewall doesn't conduct heat the way a metal one does.
Metal
> firewalls are sometimes useless unless backed up by Fiberfrax or similar
> ceramic fabric. They won't let the flame through but they do transmit
heat,
> radiate it as well, as do bolts and other fittings.
>
> Graham
>
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