Sounds complicated to me. Just use fire resistant ducting as you would
in any cert. aircraft. I have a fire warning system under my cowl t
assist in determining if that is a real threat.
Jim Nelson
N15JN
writes:
> <robh@hyperion-ef.com>
>
> I don't know how Bob would do this but my scheme uses a stainless
> steel
> spring loaded "valve," the valve being a flat piece of SS about 60mm
> square
> and 2mm thick, and the spring action coming from a hinge with an
> integral
> spring. The valve is held open by means of a stainless steel cable
> attached
> to the non-hinged edge of the SS plate, and the other fixed to the
> firewall
> via a fusible link. Except for the fusible link, the whole assembly
> is
> contained within an aluminum plenum (just a plain old chassis box as
> used
> for electronic projects) that takes air flow from two SCAT tubes,
> one from
> the heated air behind the two "radiators" and the other from the
> same air
> intake that feeds the turbo of the 914. In the unfortunate event of
> an
> engine-side fire, the fusible link melts and the flap slams shut
> against the
> firewall. No pilot action is required to shut off the ventilation
> air to
> the cockpit.
>
>
> Best regards,
>
> Rob Housman
> A070
> -----Original Message-----
> From: owner-europa-list-server@matronics.com
> [mailto:owner-europa-list-server@matronics.com]On Behalf Of Doug
> Lawton
> To: europa-list@matronics.com
> Subject: Europa-List: Through The Firewall
>
> <skyrider2@earthlink.net>
>
> Bob Berube,
>
> These conversations about "thru the firewall" got me to thinking,
> with your
> two eyeball airvents on your dash, that are routed through the
> firewall, how
> did you keep that a fireproof system?
>
> I ask here on the list rather than directly to you because it may be
> of
> interest to others.
>
> How's the plane coming since I was down last time?
>
> Doug Lawton
>
>
> > Anyone got any clever ideas for supporting & protecting wiring
> where it
> > passes through the firewall? I have bought a couple of nylon
> cable glands
> > which would work well but I am having second thoughts about using
> them due
> > to the fact that they are not 'fireproof'
>
>
>
>
>
>
>
>
>
>
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