REFLECTOR:Firewall penetrations (was Control Cables)

[Wayne]

Several years ago a Velocity went down in a Georgia cornfield when a fellow
ran a "braid protected" fuel line through the firewall without benefit of a
bulkhead fitting.
Wayne
----- Original Message ----- 
From: "KeithHallsten" <KeithHallsten@quiknet.com>
To: <reflector@tvbf.org>
Sent: Friday, March 05, 2004 9:36 PM
Subject: Re: REFLECTOR:Firewall penetrations (was Control Cables)


> I'm just starting on running the cables, tubes and hoses, so I'm not yet
> sure how much stuff I will have coming out of the ducts.  Since I'm
building
> a fixed-gear XL, I have the option of running quite a bit of stuff down
the
> keel - some of it will then go through the firewall instead of out the
duct
> openings.  My vague intent is to wrap the wires and tubes with cut-up
pieces
> of firesleeve at duct openings, then fill the remaining spaces with fire
> putty (or some such material) and cover it with SS sheet.  It's also
> possible that I may end up using one of the larger pass-through fittings
> from EPM-AV Corp mounted to the SS sheet covering the duct openings.  We
> will see how this works out in practice!
>
> Keith Hallsten
>
>
> ----- Original Message ----- 
> From: "Pat Shea" <xl340hp@yahoo.com>
> To: <reflector@tvbf.org>
> Sent: Friday, March 05, 2004 12:25 PM
> Subject: Re: REFLECTOR:Firewall penetrations (was Control Cables)
>
>
> > Hi Keith,
> >
> > In terms of fireproofing, what are you planning on
> > doing w/ the duct openings on the lower firewall?
> >
> > After Bill Huen's incident, I decided to also
> > firesleeve my + battery lead from the firewall to the
> > starter.
> >
> > Pat
> >
> >
> > --- KeithHallsten <KeithHallsten@quiknet.com> wrote:
> > > I would suggest that we all consider maintaining the
> > > integrity of our firewalls where control cables,
> > > intrument wires, etc. pass through.  Here's a link
> > > to an outfit that has this problem handled.
> > > http://www.epm-avcorp.com/tubeseal.html
> > >
> > > I plan to use this general scheme for my aileron
> > > control cables (with firesleeve over the entire
> > > length within the engine compartment) as well as the
> > > throttle, mixture, prop and wiring penetrations
> > > (with just the short sealing firesleeve).
> > >
> > > Keith Hallsten, XLFG
> >
> >
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