>
>
On Mar 15, 2014, at 7:51 AM, Rogelio Serrano wrote:
> .015 in Stainless seem to be the only option...
On Mar 15, 2014, at 7:39 AM, John Bouyea wrote:
> Thanks for digging up the reference Ken! I'll see what I can do.
>
> Right off the bat, the existing plans method for constructing our aircraft
> with .005 stainless doesn't meet Part 23 requirements in any regard...
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John/Rogelio,
IF certifying under FAR 23, and using other than the listed materials, then the
fire test is required. Who knows? Perhaps .005" stainless over Fiberfrax is
better than .015 stainless.
Ken
> ?23.1191
> (h) THE FOLLOWING MATERIALS MAY BE USED in firewalls or shrouds "WITHOUT
> BEING TESTED" as required by this section:
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> (1) Stainless steel sheet, 0.015 inch thick.
> (2) Mild steel sheet (coated with aluminum or otherwise protected against
> corrosion) 0.018 inch thick.
> (3) Terne plate, 0.018 inch thick.
> (4) Monel metal, 0.018 inch thick.
> (5) Steel or copper base alloy firewall fittings.
> (6) Titanium sheet, 0.016 inch thick.
