Author: "Greg English" <ge1111@...> Time: Tue Mar 2, 2004 5:26 pm PST Link
I hate to beat the horse to death over this subject, but I'd like to
konw how many people are pounding "wet" rivets? Is it overkill that
isn't worth the hassle? Or is it stupid to prime the inside of the
plane and NOT prime the rivets?
I'm looking for opinions. And thanks in advance for taking the time
to respond.
Greg
90867 - just about ready to assemble the HS, and moving very slowly
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Author: "Darrin Dexheimer" <Darrin@...> Time: Tue Mar 2, 2004 6:20 pm PST Link
I'm priming the inside of the parts (l live in Seattle so the Wx makes it worth while, I'm told). I'm not pounding wet rivets and I've only heard of one person that has (I haven't asked people that specific question mind you). I think you have to use Pro Seal (or equivelant) "wet" rivets on the fuel tanks though, I'm not at that point yet though. I do, however, spray the heads of the finished rivets if it's convenient (ie: I have extra primer in the gun, spare time, visible rivets and easy access). As you can imagine, not many of them are primed. If they're in right, it shouldn't be an issue. If they aren't... you probably have a bigger problem :-)
Darrin
90801 Emp - nearly done, Wings on order, and I spend an hour a night designing my panel, over and over and over... Don't ask me why... I could just kill Bill VonDane for that damn site (epanelbuilder.com). :-)
----- Original Message -----
From: Greg English
To: RV-9A@yahoogroups.com
Sent: Tuesday, March 02, 2004 5:25 PM
Subject: [RV-9A] priming - maybe a stupid question
I hate to beat the horse to death over this subject, but I'd like to
konw how many people are pounding "wet" rivets? Is it overkill that
isn't worth the hassle? Or is it stupid to prime the inside of the
plane and NOT prime the rivets?
I'm looking for opinions. And thanks in advance for taking the time
to respond.
Greg
90867 - just about ready to assemble the HS, and moving very slowly
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Author: "Larry Perryman" <larry-perryman@...> Time: Tue Mar 2, 2004 7:41 pm PST Link
Greg,
No need to prime the rivets or dimples.
Regards
Larry Perryman
--- In RV-9A@yahoogroups.com, "Greg English" <ge1111@c...> wrote:
> I hate to beat the horse to death over this subject, but I'd like
to
> konw how many people are pounding "wet" rivets? Is it overkill
that
> isn't worth the hassle? Or is it stupid to prime the inside of
the
> plane and NOT prime the rivets?
>
> I'm looking for opinions. And thanks in advance for taking the
time
> to respond.
>
> Greg
> 90867 - just about ready to assemble the HS, and moving very slowly
------------------------ Yahoo! Groups Sponsor ---------------------~-->
Buy Ink Cartridges or Refill Kits for your HP, Epson, Canon or Lexmark
Printer at MyInks.com. Free s/h on orders $50 or more to the US & Canada.
http://www.c1tracking.com/l.asp?cid=5511
http://us.click.yahoo.com/mOAaAA/3exGAA/qnsNAA/1yWplB/TM
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Author: "Michael" <michael@...> Time: Tue Mar 2, 2004 7:42 pm PST Link
Truthfully Greg,
The only real issues with corrosion occur at the rivet holes and the
faying surfaces. In order to assure the longest life of the
structure, wetting the lapping surfaces and the rivets with an
effective CPC (corrosion preventive compound)is really the way to
go. The best cpc presently are LPS products with LPS-3 performing
very well.
It is somewhat aggravating though in that it never hardens. Because
of that, I have opted to use the LPS Procyon product on the rivets
and faying surfaces as that does eventually seem to get a little
harder and therefore will stop wicking to the outside after a few
days.
Lastly, ALL the interior priming is probably overkill unless you
actually live on the seacoast.
Each of us brings a little bit of expertise to the table in these
fora and we each also apply that little bit to our own aircraft.
I happen to have some experience in testing fatigue lives of riveted
structures as applied to aircraft. Many years of CPC testing in
corrosive environments has shaded my judgement and herded me into a
particular behavior regarding my own plane.
I am comfortable that doing what I am doing will reduce the corrosion
rate on my rivet holes but I also know it is totally unnecessary. I
just can't help myself. I may even tire of the wet riveting after a
while because it truly is a pain in the a__!
I expect to be living in AZ when I finish my 9A anyway.
-Mike
HS finished VS begun
--- In RV-9A@yahoogroups.com, "Greg English" <ge1111@c...> wrote:
> I hate to beat the horse to death over this subject, but I'd like
to
> konw how many people are pounding "wet" rivets? Is it overkill
that
> isn't worth the hassle? Or is it stupid to prime the inside of the
> plane and NOT prime the rivets?
>
> I'm looking for opinions. And thanks in advance for taking the
time
> to respond.
>
> Greg
> 90867 - just about ready to assemble the HS, and moving very slowly
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/RV-9A/
<*> To unsubscribe from this group, send an email to:
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Author: "stevehilleo" <stevehill10@...> Time: Wed Mar 3, 2004 5:17 am PST Link
Dear Greg,
There seem to cultural differences about this, here in the UK a lot
of builders apply zinc chromate paste (Duralac) to mating surfaces
before riveting. This does tend to ooze out when you drive the rivets
but the main hope is that it fills any voids in the rivet holes where
water could be trapped and cause corosion. It's difficult to say
whether this is truly worthwile but it's not a big deal to do. It
may be helpfull when you come to sell your pride and joy if you can
at least show some attempt at corrosion protection.
Steve Hill
--- In RV-9A@yahoogroups.com, "Greg English" <ge1111@c...> wrote:
> I hate to beat the horse to death over this subject, but I'd like
to
> konw how many people are pounding "wet" rivets? Is it overkill
that
> isn't worth the hassle? Or is it stupid to prime the inside of the
> plane and NOT prime the rivets?
>
> I'm looking for opinions. And thanks in advance for taking the
time
> to respond.
>
> Greg
> 90867 - just about ready to assemble the HS, and moving very slowly
Yahoo! Groups Links
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