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Jugle
Joined: 04 Aug 2007
Posts: 47
Location: Victoria, Australia
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 Posted: Tue Dec 11, 2007 1:31 pm Post subject: Holes in smaller ribs |
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Hi scrapbuilders,
I notice the 601 XL plans don't show tooling holes in the smaller ribs, i.e., 6-T-3 1, elevator ribs, yet keeping them centred when forming them around blocks is tricky.
I have seen some people drill them, so I assume it's okay. And I know some of you have formed the straight edged ones with the bending brake, but my test pieces on the triangular shapes have so far turned out uneven too.
Any tips?
Thanks, Glenn
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Glenn Andressen
601XL- Rudder, Stabiliser parts completed, Wing ribs, nose ribs done, 70% Fuselage parts made. |
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cj.tremblay(at)videotron.
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| Posted: Tue Dec 11, 2007 6:37 pm Post subject: Holes in smaller ribs |
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A photo will help me to understand your problem.
I don’t do any hole in the ribs when I formed it. I press it with C clamp
and a filing clamp, independently of the size of the ribs. I put C clamp
somewhere that I don’t have to remove it when I formed both side of the
ribs.
Christian Tremblay
A guy who build a CH640 aircraft from plan
http://www.zodiac640.com/
-----Message d'origine-----
De : owner-zenith-list-server(at)matronics.com
[mailto:owner-zenith-list-server(at)matronics.com] De la part de Jugle
Envoyé : Tuesday, December 11, 2007 4:32 PM
À : zenith-list(at)matronics.com
Objet : Holes in smaller ribs
Hi scrapbuilders,
I notice the 601 XL plans don't show tooling holes in the smaller ribs,
i.e., 6-T-3 1, elevator ribs, yet keeping them centred when forming them
around blocks is tricky.
I have seen some people drill them, so I assume it's okay. And I know some
of you have formed the straight edged ones with the bending brake, but my
test pieces on the triangular shapes have so far turned out uneven too.
Any tips?
Thanks, Glenn
--------
Glenn Andressen
601XL- just started.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=151731#151731
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Bryan Ekholm
Joined: 10 Jan 2006
Posts: 9
Location: Annandale, Minnesota
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| Posted: Tue Dec 11, 2007 8:44 pm Post subject: Re: Holes in smaller ribs |
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For all of my smaller formed pieces on my 701 I've drilled #30 tooling holes through the forming blocks and piece being formed and then used my old #30 drill bits through the holes to keep things aligned. Clamp it in the bench vise and bend the flanges over.
Bryan Ekholm
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Bryan Ekholm |
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