Author: philip condon <pcondon@...> Time: Thu Aug 30, 2001 8:02 am PDT Link
One item you may consider is if parked outside in the rain or elements
then rain and birds will find their way into these openings in your cowl
as the door(s) relax and open. I usually manually unlatch for a heat
exit.
jim@e... wrote:
>
> -The magnet type you need is NEODYMIUM, make sure you get a nickle
> plated one, 1/2" diameter x 1/8" thick will hold just about anything,
> Jim Edgeworth (RV6A)
> -- In vansairforce@y..., "Bernie Kerr" <kerrjb@m...> wrote:
> > Jerry,
> >
> > I have stumbled upon something the last few days. My oil door
> hinges inward so that the cowl pressure seals it instead of opening
> it. I got that idea from Rich Jankowski. Rich uses a rare earth
> magnet to keep it closed until he gets ram pressure inside. I tried
> this, but my magnet was not strong enough to keep it up while taxing,
> so I put a nut plate and screw. Recently I made a flight and had
> forgot to close the door. My passenger was observant enough to note
> that the door came up while we were in flight. I have tried it once
> more and it closes OK, but I want to make sure at some flight
> conditions it is not rattling open to closed.
> >
> > When you are taxing or stopped , it automatically opens to let the
> heat out :>)
> > If it seems OK, I'm thinking of putting two doors on my next
> project.
> >
> > Bernie Kerr, 6A, 200 hours, SE FLA
> > ----- Original Message -----
> > From: Jerry Calvert
> > To: vansairforce@y...
> > Sent: Monday, August 27, 2001 6:20 AM
> > Subject: Re: [VAF Mailing List] Cowl seal fabric measurements
> > Mike,
> >
> > A friend of mine did his -6 that way and I had considered it.
> I'll check out Jim's site and chew on it for a couple of days.
> >
> > How's the cowl going? I was surprised how well mine fit. I will
> do very little cosmestic glassing to get it where I want it.
> >
> > Onward,
> > Jerry
> > ----- Original Message -----
> > From: Mike Thompson
> > To: vansairforce@y...
> > Sent: Sunday, August 26, 2001 9:51 PM
> > Subject: Re: [VAF Mailing List] Cowl seal fabric measurements
> > --- rv6bldr@h... wrote:
> > > I am attaching the cowl seal and I can see where the
> dimensions will
> > > need custom fitting
> > <snip>
> >
> > Hey Jer,
> >
> > Have you considered a plenum?
> > Check out:
> > http://www.homestead.com/RV8A/files/index.html
> >
> > Jim Andrews is a local boy and even though his is a -8A, there
> are lots
> > of good ideas for under the hood.
> >
> > Jim had his first flight yesterday too. I haven't heard back
> from him
> > how it went but if he prepared for the flight anything like he
> has
> > prepared his plane, it went perfect.
> >
> > Anyway, the plenum is how I will go, except with hinges vice
> camlocks
> > to secure the lid. Only problem to think about is releasing
> all that
> > heat at gas stops... thinking about some kind of sliding affair
> to
> > manually open the plenum top and vent out the top of the cowl.
> >
> > Whichever, good luck getting it all sealed up. Still trying to
> make
> > those cowl halves fit together right.
> >
> > Mike Thompson
> > Austin, TX
> > -6 N140RV (Reserved)
> > Firewall Forward
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