Today's Message Index:
----------------------
1. 08:41 AM - Re: Dimples, rivets and gaps (tchoug)
2. 11:57 AM - Firewall insulation (Steve Sampson)
3. 05:56 PM - Re: Source of Acetone ? (John Oliveira)
4. 06:06 PM - Re: Baffling pictures (Andy Karmy)
5. 06:10 PM - Re: Firewall insulation (Andy Karmy)
6. 06:22 PM - Re: Source of Acetone ? (Gerry Filby)
Message 1
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| Subject: | Dimples, rivets and gaps |
--> RV9-List message posted by: tchoug <tchoug@micron.com>
Gerry,
One technique that helps is to use a hole deburring tool with the three cutting
edges that are the same angle as the countersink tools. This is the standard
offset (crank style) screwdriver tool that Avery and most others sell. Use this
to cleanup the dimples in the bottom structure after dimpling. About three or
four turns is all that's required. It removes very little metal, but cleans
up the high spots enough to get a better fit between the parts.
Todd Houg
Finally back to it and riveting the fuselage.
-----Original Message-----
From: Gerry Filby [mailto:gerf@gerf.com]
Subject: RV9-List: Dimples, rivets and gaps
--> RV9-List message posted by: Gerry Filby <gerf@gerf.com>
Getting ready to rivet up the VS. My reading of the
recommendations for dimpling vs countersinking leads me to
believe that the spars in the VS should be dimpled to accept
the dimples in the skin. The spars are too thin to be
countersunk. So that's the way I went.
But when I cleco the ribs, spars and skins together after
dimpling - there is a gap between the skins and the spars, they
don't sit perfectly flush against each other- probably less
than half a millimeter of gap. The interlocking dimples does
make the assembled structure quite rigid, but still I'm
concerned ... seems like the rivets might "work" over time. I
would really like to see the skins flat against the spars.
When I countersank the HS spars it led to a much nicer mate
with the skins. Am I going in the right direction here ?
g
==========================================================
Gerry Filby gerf@gerf.com
Home (415) 239 4846
Cell (415) 203 9177
Message 2
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| Subject: | Firewall insulation |
--> RV9-List message posted by: "Steve Sampson" <SSampson.SLN21@london.edu>
I would be interested to know how many are insulating the firewall? I
believe the VANS demonstrator is bare and I supose since one wears a headset
noise is not a significant issue? Heat?
Anyone flying without insulation? Would you do it the same way again?
I certainly intend to put some carpet on the floor, to protect it and I have
heard it said there is significant drumming from the exhaust through it but
lean towards weight saving on the firewall.
Steve
Wheel Pants
#90360
UK
---
Message 3
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| Subject: | Re: Source of Acetone ? |
--> RV9-List message posted by: "John Oliveira" <oliveira@frontiernet.net>
I am the one that said "try your local hardware store", I think Gerry Filby
was looking for help.
John Oliveira
Working on Fueslage
Reserved N909RV
----- Original Message -----
From: "Mike Duiven" <emduiven@chaffee.net>
Subject: Re: RV9-List: Source of Acetone ?
> --> RV9-List message posted by: "Mike Duiven" <emduiven@chaffee.net>
>
> John:
>
> Acetone can be found at any Hardware Store. So can MEK.
>
> Mike D.
>
>
> ----- Original Message -----
> From: "John Oliveira" <oliveira@frontiernet.net>
> To: <rv9-list@matronics.com>
> Subject: Re: RV9-List: Source of Acetone ?
>
>
> > --> RV9-List message posted by: "John Oliveira"
<oliveira@frontiernet.net>
> >
> > Try your local hardware store
> > ----- Original Message -----
> > From: "Gerry Filby" <gerf@gerf.com>
> > To: <rv9-list@matronics.com>
> > Subject: RV9-List: Source of Acetone ?
> >
> >
> > > --> RV9-List message posted by: Gerry Filby <gerf@gerf.com>
> > >
> > >
> > > Anyone know of a source for Acetone apart from Aircraft Spruce
> > > - preferrably one the in SF Bay Area that I can go to in person ?
> > >
> > > Aircraft Spruce do such a bad job of packing that the aluminum
> > > cans they use end up leaking after UPS is done beating them up.
> > >
> > > g
> > >
> > >
> > > ==========================================================
> > > Gerry Filby gerf@gerf.com
> > > Home (415) 239 4846
> > > Cell (415) 203 9177
> > >
> > >
> >
> >
>
>
Message 4
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| Subject: | Re: Baffling pictures |
--> RV9-List message posted by: "Andy Karmy" <andy@karmy.com>
While not directly baffel pictures, you can see much of them on my
FWF pictures page.
http://www.karmy.com/rv9a/pictures/fuselage/fwf/finished/
index.htm
- Andy
---------- Original Message
----------------------------------
From: Leland <Federigo@pacbell.net>
>--> RV9-List message posted by: Leland
<Federigo@pacbell.net>
>
>Does anybody know of a website that shows detailed
photographs of the
>baffling for a Lycoming? Van's baffle drawing package is hard to
>comprehend.
>Leland in Pleasanton
>
>
>_-
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>
Message 5
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| Subject: | Re: Firewall insulation |
--> RV9-List message posted by: "Andy Karmy" <andy@karmy.com>
I flew with no insulation, or carpet for 20 hours at first. Then added
sound pad and carpet later. I still have nothing on the firewall and
don't think it would make much difference. Most of the noise
comes from the exhaust on the floor boards, so carpet and sound
proofing work good there. There is also quite a bit of air noise
from the canopy and other locations. With ANR headsets it's quiet
enough... I don't know about heat, here in the NW it's never hot
enough so...
- Andy
---------- Original Message
----------------------------------
From: "Steve Sampson" <SSampson.SLN21@london.edu>
>--> RV9-List message posted by: "Steve Sampson"
<SSampson.SLN21@london.edu>
>
>I would be interested to know how many are insulating the
firewall? I
>believe the VANS demonstrator is bare and I supose since one
wears a headset
>noise is not a significant issue? Heat?
>
>Anyone flying without insulation? Would you do it the same way
again?
>
>I certainly intend to put some carpet on the floor, to protect it
and I have
>heard it said there is significant drumming from the exhaust
through it but
>lean towards weight saving on the firewall.
>
>Steve
>Wheel Pants
>#90360
>UK
>
>---
>
>
>_-
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>_-
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>_-
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>_-
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>
>
Message 6
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| Subject: | Re: Source of Acetone ? |
--> RV9-List message posted by: Gerry Filby <gerf@gerf.com>
Thanks all for your many suggestions - my local Orchard
Hardware has a shelf full of every conceivable type of thinner
and solvent - including Acetone.
Now if I just fill my bathtub with Alodine, the priming process
would be a lot less trouble ;-)
g
>
> --> RV9-List message posted by: "John Oliveira"
> <oliveira@frontiernet.net>
>
> I am the one that said "try your local hardware store", I think
> Gerry Filby
> was looking for help.
>
> John Oliveira
> Working on Fueslage
> Reserved N909RV
> ----- Original Message -----
> From: "Mike Duiven" <emduiven@chaffee.net>
> To: <rv9-list@matronics.com>
> Subject: Re: RV9-List: Source of Acetone ?
>
>
> > --> RV9-List message posted by: "Mike Duiven" <emduiven@chaffee.net>
> >
> > John:
> >
> > Acetone can be found at any Hardware Store. So can MEK.
> >
> > Mike D.
> >
> >
> > ----- Original Message -----
> > From: "John Oliveira" <oliveira@frontiernet.net>
> > To: <rv9-list@matronics.com>
> > Subject: Re: RV9-List: Source of Acetone ?
> >
> >
> > > --> RV9-List message posted by: "John Oliveira"
> <oliveira@frontiernet.net>
> > >
> > > Try your local hardware store
> > > ----- Original Message -----
> > > From: "Gerry Filby" <gerf@gerf.com>
> > > To: <rv9-list@matronics.com>
> > > Subject: RV9-List: Source of Acetone ?
> > >
> > >
> > > > --> RV9-List message posted by: Gerry Filby <gerf@gerf.com>
> > > >
> > > >
> > > > Anyone know of a source for Acetone apart from Aircraft Spruce
> > > > - preferrably one the in SF Bay Area that I can go to in person ?
> > > >
> > > > Aircraft Spruce do such a bad job of packing that the aluminum
> > > > cans they use end up leaking after UPS is done beating them up.
> > > >
> > > > g
> > > >
> > > >
> > > > ==========================================================
> > > > Gerry Filby gerf@gerf.com
> > > > Home (415) 239 4846
> > > > Cell (415) 203 9177
> > > >
> > > >
> > >
> > >
> >
> >
>
>
>
>
>
>
>
--
RV-9 #90842
==========================================================
Gerry Filby gerf@gerf.com
Home (415) 239 4846
Cell (415) 203 9177
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