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william(at)gbta.net
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 Posted: Wed Feb 01, 2006 12:43 pm Post subject: Tailcone longeron alignment |
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On page 10-11 step 1 you clamp the longeron in place. The apex (corner) of the longeron is flush with both the F1073 side skins and the F1014 aft deck. Aligning between the longeron and side skin is good but I'm having trouble getting the longeron to align perfectly with the F1014 aft deck. Towards the center of the aft deck (near where the longeron bend is) is where I start to have the problem. It is within 1/8" in this area and good on the ends (ends of the aft deck that is). I can force it a little closer than this (and actually all the way flush) with pretty good force. My question is: is it absolutely necessary to have it completely flush with the aft deck all the way along it??? Did anybody else have this problem??? If it needs to be completely flush, how much force is OK to use before I have to start bending on the longeron???
Bill Britton
RV-10 tailcone
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william(at)gbta.net
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| Posted: Wed Feb 01, 2006 1:02 pm Post subject: Tailcone longeron alignment |
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I checked the measurements and it is only off by 1/16, not 1/8". The misalignment spans about 7 to 8 inches long and is worst (about 1/16) in the center of the span. Attached are a couple pictures to help describe my problem. If it's left this way will it affect the way the top skins line up later, or possibly anything else???
Bill
[quote] ---
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Tim(at)MyRV10.com
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| Posted: Wed Feb 01, 2006 1:33 pm Post subject: Tailcone longeron alignment |
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It doesn't look too awful bad. The only thing that makes
it look questionable....and not really too questionable, is
the hole edge distance you'll have when you drill those
rivets into the longerons. If you measure and see the edge
distance is appropriate, then you'll be OK. If it were me,
I'd try to clamp or push it and match drill it when it's lined
up along the edge. But, after now having assembled the tail
I can't see any big reason why your situation would cause anything
too major down the road.
Tim Olson -- RV-10 #40170
Current section: Final Assembly
DO NOT ARCHIVE
Bill and Tami Britton wrote:
[quote] I checked the measurements and it is only off by 1/16, not 1/8". The
misalignment spans about 7 to 8 inches long and is worst (about 1/16) in
the center of the span. Attached are a couple pictures to help describe
my problem. If it's left this way will it affect the way the top skins
line up later, or possibly anything else???
Bill
---
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william(at)gbta.net
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| Posted: Wed Feb 01, 2006 1:42 pm Post subject: Tailcone longeron alignment |
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I can clamp it and get the straightness required but it takes lots of force
to get it that straight. Will this force be a problem??? I don't like to
put things together under stress, and this would definitely be under some
stress.
Bill
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rene(at)felker.com
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| Posted: Wed Feb 01, 2006 2:05 pm Post subject: Tailcone longeron alignment |
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I had the same problem, mine was less than 1/16 so I just riveted it, I did not put it under a lot of tension to get it closer.
Rene' Felker
40322
Fuselage
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Bill and Tami Britton
Sent: Wednesday, February 01, 2006 2:01 PM
To: rv10-list(at)matronics.com
Subject: Re: Tailcone longeron alignment
I checked the measurements and it is only off by 1/16, not 1/8". The misalignment spans about 7 to 8 inches long and is worst (about 1/16) in the center of the span. Attached are a couple pictures to help describe my problem. If it's left this way will it affect the way the top skins line up later, or possibly anything else???
Bill
[quote]
---
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gommone7(at)bellsouth.net
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| Posted: Wed Feb 01, 2006 5:50 pm Post subject: Tailcone longeron alignment |
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Hi, bill ,Hugo here.if you do not seat flush with the skin I thinks will change the angle of attack of the horizontal stabilizer,the piece cost only 15 box,and shipp.by air is very cheap(look I now the problem Ah-h)
Hugo
[quote]
From: "Bill and Tami Britton" <william(at)gbta.net>
Date: 2006/02/01 Wed PM 04:00:50 EST
To: <rv10-list(at)matronics.com>
Subject: Re: Tailcone longeron alignment
I checked the measurements and it is only off by 1/16, not 1/8". The misalignment spans about 7 to 8 inches long and is worst (about 1/16) in the center of the span. Attached are a couple pictures to help describe my problem. If it's left this way will it affect the way the top skins line up later, or possibly anything else???
Bill
---
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Tim(at)MyRV10.com
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| Posted: Wed Feb 01, 2006 9:24 pm Post subject: Tailcone longeron alignment |
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I wouldn't put it under a lot of force. Just good pressure so it isn't
flimsy popping out.
Tim
Bill and Tami Britton wrote:
[quote]
I can clamp it and get the straightness required but it takes lots of
force to get it that straight. Will this force be a problem??? I don't
like to put things together under stress, and this would definitely be
under some stress.
Bill
---
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http://www.matronics.com/Navigator?RV10-List |
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