Author: "Bernie Kerr" <kerrjb@...> Time: Fri Aug 31, 2001 10:01 am PDT Link
Thanks for the tip Jim, do you know a source for these magnets.
Bernie
----- Original Message -----
From: <jim@e...>
To: <vansairforce@yahoogroups.com>
Sent: Wednesday, August 29, 2001 1:39 PM
Subject: Re: [VAF Mailing List] Cowl seal fabric measurements
> -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
> > __________________________________________________
> > Do You Yahoo!?
> > Make international calls for as low as $.04/minute with Yahoo!
> Messenger
> > http://phonecard.yahoo.com/
> > --------------------------------------------------------------
> > Van's Air Force - World Wide Wing (http://www.vansaircraft.net)
> > Your use of Yahoo! Groups is subject to the Yahoo! Terms of
> Service.
> > Yahoo! Groups Sponsor
> > ADVERTISEMENT
> > --------------------------------------------------------------
> > Van's Air Force - World Wide Wing (http://www.vansaircraft.net)
> > Your use of Yahoo! Groups is subject to the Yahoo! Terms of
> Service.
> --------------------------------------------------------------
> Van's Air Force - World Wide Wing (http://www.vansaircraft.net)
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Author: jim@... Time: Fri Aug 31, 2001 11:40 am PDT Link
Sorry Bernie, I'm in England, try your yellow pages for magnet
suppliers, ring them and request a sample, (it helps to infer that
you might use a lot of them on the project that you are designing)
they only cost a few cents so no one wants to sell one offs.
Regards
Jim
--- In vansairforce@y..., "Bernie Kerr" <kerrjb@m...> wrote:
> Thanks for the tip Jim, do you know a source for these magnets.
>
> Bernie
> ----- Original Message -----
> From: <jim@e...>
> To: <vansairforce@y...>
> Sent: Wednesday, August 29, 2001 1:39 PM
> Subject: Re: [VAF Mailing List] Cowl seal fabric measurements
> > -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
> > > __________________________________________________
> > > Do You Yahoo!?
> > > Make international calls for as low as $.04/minute with
Yahoo!
> > Messenger
> > > http://phonecard.yahoo.com/
> > > ------------------------------------------------------------
--
> > > Van's Air Force - World Wide Wing
(http://www.vansaircraft.net)
> > > Your use of Yahoo! Groups is subject to the Yahoo! Terms of
> > Service.
> > > Yahoo! Groups Sponsor
> > > ADVERTISEMENT
> > > --------------------------------------------------------------
> > > Van's Air Force - World Wide Wing
(http://www.vansaircraft.net)
> > > Your use of Yahoo! Groups is subject to the Yahoo! Terms of
> > Service.
> > --------------------------------------------------------------
> > Van's Air Force - World Wide Wing (http://www.vansaircraft.net)
> > Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/