REFLECTOR:Firewall penetrations (was Control Cables)

[Ronnie Brown]

But you still have a hot wire running back to the engine - for the
alternator. It is a pretty healthy #8 or perhaps #10 for a 50-60 amp
alternator.

If you run the starter cable hot off the main contactor, then you don't need
the extra wire for the alternator. Just connect the alternator to the hot
cable on the starter.

Both methods are fine.

Ronnie Brown

----- Original Message -----
From: "Pat Shea" <xl340hp@yahoo.com>
To: <reflector@tvbf.org>
Sent: Friday, March 05, 2004 6:31 PM
Subject: Re: REFLECTOR:Firewall penetrations (was Control Cables)


| Jim,
|
| Actually, my starter solenoid is up front w/ the
| master. I just didn't like that + #2 wire being
| exposed in the engine compartment, and it just seemed
| like everything convenient to clamp it to and
| immediately surrounding it was grounded! Granted, if
| it becomes shorted, you'll probably discover that the
| next time you go to engine start. That's a lot better
| than in flight, but probably still not a pleasant
| experience. Anyway, cheap insurance.
|
| Pat
|
| --- Jim Agnew <jim_agnew_2@yahoo.com> wrote:
| > Pat,
| >
| > A far better and safer way is to place the starter
| > solenoid
| > up front next to the master solenoid and then your
| > starter
| > + cable is dead and much safer except during
| > starting.
| >
| > Jim
| >
| > --- Pat Shea <xl340hp@yahoo.com> wrote:
| > > 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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| >
| > =====
| > James F. Agnew
| > Jim_Agnew_2@Yahoo.Com
| > Tampa, FL
| > Velocity 173 Elite Aircraft Completed & Flying
| > _______________________________________________
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|
|
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