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Old 11-16-2015, 06:09 PM
thoma015 thoma015 is offline
Join Date: Apr 2015
Location: Oklahoma
Posts: 114
Default Rudder stiffeners not lining up

I am having trouble with my rudder stiffeners lining up. It seems like to me that the holes in the stiffeners are uniformly spaced, but the holes in the skin aren't.

The skins are older from a older kit i bought from a guy and the stiffeners are new from Vans (the kit didn't come with them).

The stiffeners holes are more widely spaced than the holes in the skin, could i flute the stiffeners to get them in line?

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Old 11-16-2015, 06:20 PM
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wirejock wirejock is offline
Join Date: Oct 2005
Location: Estes Park, CO
Posts: 5,118
Default Fluting

The holes are off lenthwise. Fluting won't change that.
Try moving them to other places or starting clekos in the middle.
I don't think the holes changed. That looks like a mis punched part but I am usually wrong. Experts here will know.
Larry Larson
Estes Park, CO
wirejock at yahoo dot com
Donated 12/01/2021, plus a little extra.
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Old 11-16-2015, 07:31 PM
David Paule David Paule is offline
Join Date: Dec 2009
Location: Boulder, CO
Posts: 5,264

You can buy blank stiffener angle from Van's, cut them to length yourself, and drill them yourself, just like us RV-3B builders do. Takes a little time but it isn't a big deal.

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Old 11-17-2015, 05:37 AM
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blueflyer blueflyer is offline
Join Date: Nov 2008
Location: Shreveport, LA
Posts: 1,132

If I recall, it took me several iterations to figure out the proper placement of the stiffeners. Just keep looking at it, you'll see how they fit. And as already pointed out, if you goof up your stiffeners in the process, you can buy more from Vans.
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Old 11-17-2015, 06:43 AM
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jaradtke jaradtke is offline
Join Date: Nov 2009
Location: Lutz FL
Posts: 167

It looks like that stiffener is in the wrong sequence
Jeff Radtke
Lutz, FL
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Last edited by jaradtke : 11-17-2015 at 06:45 AM.
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Old 11-17-2015, 09:41 PM
nbachert nbachert is offline
Join Date: May 2012
Location: California, MD
Posts: 351

The -7 rudder changed a few years back didn't it? Maybe the stiffeners are from the newer rudder while the skins are from the old one.
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