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johngoodman(at)earthlink.
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 Posted: Mon Sep 18, 2006 12:54 pm Post subject: Countersink problem |
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Well I went and blew it. I was countersinking the HS 1007 and went too
deep on one hole. The metal is thick enough that it's still good, but
the 1/8" rivet head sits too deep. Is there such a thing as an
oversized flush head rivet? I live 5 minutes from Aircraft Spruce -
would they have anything?
John Goodman
#40572
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indigoonlatigo(at)msn.com
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| Posted: Mon Sep 18, 2006 1:46 pm Post subject: Countersink problem |
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Please let us folks that don't sleep with the plans know what part is the HS
1007? If this a is a spar then the skin dimples need to sit in the counter
sunk hole and the countersinks need to be deeper than the heads of the
rivets anyway.
Make dimples in all the different thicknesses of skin material you'll be
using and then you can use these gauges to determine the correct depth of
your countersunk hole.
Be sure to tighten your countersinker thoroughly before starting as the
depth can change and metal shaving stuck in the unit can change the depth
also.
Again, I don't remember what is HS 1007 so maybe this doesn't apply.
JG. 409 Back from summer soaring to putting on the Tail Feathers to the
cone.
| Quote: | From: John Goodman <johngoodman(at)earthlink.net>
Reply-To: rv10-list(at)matronics.com
To: rv10-list(at)matronics.com
Subject: Countersink problem
Date: Mon, 18 Sep 2006 16:53:17 -0400
Well I went and blew it. I was countersinking the HS 1007 and went too deep
on one hole. The metal is thick enough that it's still good, but the 1/8"
rivet head sits too deep. Is there such a thing as an oversized flush head
rivet? I live 5 minutes from Aircraft Spruce - would they have anything?
John Goodman
#40572
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Rick S.
Joined: 12 Feb 2006
Posts: 347
Location: Las Vegas
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| Posted: Mon Sep 18, 2006 1:58 pm Post subject: Countersink problem |
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John,
You can go up to the next size rivet 5/32" or AN 426-5, Spruce sells them but you may have a minimum order of .25 pound or something. Depending on how deep you countersink is it may not be that big of a deal just to go ahead with the AN4 as called out. There are lots of rivets in that plate to the spar. Going up one size will give you the most piece of mind.
Rick S.
40185 Waaaaaaaaaay past the HS Spar
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Rick S.
RV-10
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capsteve
Joined: 09 Jan 2006
Posts: 111
Location: NIAGARA FALLS NY
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| Posted: Mon Sep 18, 2006 6:12 pm Post subject: Countersink problem |
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Check edge distances and if it looks good, plant a -5 rivit in place.. I've
a few in various places where I boogered drilling out a poorly driven -4
rivets.
Fwiw
Steve 40205
Well I went and blew it. I was countersinking the HS 1007 and went too
deep on one hole. The metal is thick enough that it's still good, but
the 1/8" rivet head sits too deep. Is there such a thing as an
oversized flush head rivet? I live 5 minutes from Aircraft Spruce -
would they have anything?
John Goodman
#40572
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http://www.matronics.com/Navigator?RV10-List |
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