Carlos Sa
Joined: 13 Jan 2006
Posts: 96
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 Posted: Mon Sep 04, 2006 11:30 am Post subject: RE : Leading Edge Dents |
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Dave, here's a quote from the old (3.rd edition, 1995) CH601 contruction manual:
Page 12, under Some More Tips - "Shimming: It is acceptable and common practice to fill the gap
between two parts wich not completely match. If you have to shim over 1/8" (3mm) refer to the
designer."
Another thought: I had the same situation with the horizontal stabilizer and the wing tanks.
Specially with the tanks, I wanted full contact. One way of achieving this (in case you haven't
tried yet) is to have your straps aligned with the ribs, and insert pieces of wood between the
straps and the skin in the area where the gaps exist. This way, you will be increasing the force
normal to the surface at those spots. It takes a good deal of trial, error and patience.
Straps with ratchets are recommended in the same manual, page 18.
Obviously, all of this must be done with great care, as you could crush or bend parts.
Good luck
Carlos
CH601-HD, plans
Montreal, Canada
--- Dave Ruddiman <pacificpainting(at)comcast.net> a écrit :
| Quote: | Since there are not many 801 builders out there I kind of feel all alone. Poor me. I imagine
this question applies to all the other designs too. I am about to rivet on the leading edge
wing skin on the right wing. I have pulled it in with straps as far as I can. The skin is
pretty close on the ribs, but not touching. If I rivet it the way it is it will pull a dent on
the front of the skin. Has anyone addressed this. I am thinking of adding an additional strip
between the rib and the skin to shim it out. I can't see any reason not to. It will have rivets
through it. I'm going to use A5's. I would appreciate any suggestions from anyone interested or
that has a better solution.
Dave in Salem
801
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p4.vert.ukl.yahoo.com uncompressed/chunked Mon Sep 4 12:23:39 GMT 2006
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CH601-HD, plans
Montreal, Canada |
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