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QB Wing Angst- Oil Canning

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kearney

Joined: 20 Sep 2008
Posts: 563

Posted: Sun Nov 09, 2008 7:23 pm Post subject: QB Wing Angst- Oil Canning

Tom



Thanks for the comments.



I have thought about proseal as well. My only concern is I don't know how

well the proseal will attach to my primer. I wouldn't want the angle to

depart the skin and mess up the controls etc. My inclination would be to

rivet the stiffner. With effort I can reach the square and use a pop rivet

dimpler. Then again perhaps I am just being a bit to anal.



Cheers



Les

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indigoonlatigo(at)msn.com
Guest

Posted: Sun Nov 09, 2008 7:53 pm Post subject: QB Wing Angst- Oil Canning

Being too anal is removing all the rivets C purchasing a new skin and doing it again. That what I did with my left wing.



Gave me a lot of scrap aluminum on hand.

John G.

[quote] From: kearney(at)shaw.ca

 To: rv10-list(at)matronics.com

 Subject: RE: Re: QB Wing Angst- Oil Canning

 Date: Sun C 9 Nov 2008 20:22:27 -0700

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dlm46007(at)cox.net
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Posted: Mon Nov 10, 2008 8:17 pm Post subject: QB Wing Angst- Oil Canning

In order to continue to exercise your rights to contribute to the gene pool

I suggest that proseal not be used to glue angles inside wings. Proseal is a

sealant not an adhesive; hence it possible that a piece my come loose and

interfere with control mechanisms. Jammed ailerons or asymmetrical flaps

could ruin someone's day.

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kearney

Joined: 20 Sep 2008
Posts: 563

Posted: Tue Nov 11, 2008 9:28 am Post subject: QB Wing Angst- Oil Canning

David

  6nbsp;

 While my contributions to the gene pool are now at an end C I would still like to see how my contributions work out E To that end I will use rivets if that is the correct solution E At this point I don 7t know if the stresses that cause 6nbsp;the oil canning are significant E I have spoken to Ken at Van 7s whose guidance was to find out what is causing the problem and then fix that E He 6nbsp;was surprised that oil canning ocurred given the match drilled nature of the kit

  6nbsp;

 I have a couple of other expert sources that I will tap into before I do anything E

  6nbsp;

 Cheers

  6nbsp;

 Les

  6nbsp;

 



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tomhanaway

Joined: 12 Aug 2006
Posts: 111
Location: Murphy, NC

Posted: Tue Nov 11, 2008 11:47 am Post subject: Re: QB Wing Angst- Oil Canning

Les,

I took  a look at the panel.  I'd have to  agree that the proseal by itself is not sufficient.  At the same time, used in conjunction with rivets, I believe it improves the contact between the panel and the brace (epoxy would probably do the same thing).



In any event, may be a temperature change (not likely in Florida) but the minor oil can is no longer in the panel even with brace removed.



Tom

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kearney

Joined: 20 Sep 2008
Posts: 563

Posted: Tue Nov 11, 2008 8:17 pm Post subject: QB Wing Angst- Oil Canning

Hi

  6nbsp;

 Well I called my resident expert who lives half a country away - my younger brother E 6nbsp;After I explained my problem he gave me two very good solutions E First he suggested I try to identify 6nbsp;which row of rivets is causing the problem - there may be some deformation / pillowing 6nbsp;around 6nbsp;the rivets in question E If not C he suggested I remove some rivets 6nbsp;and see if the oil canning is eliminated E If the skin lifts off the underling structure a possible solution is to use a thin shim (tapered at each end) to 6nbsp;fill the void E This will eliminate the stress causing the oil canning E

  6nbsp;

 Another 6nbsp;solution C if the oil canning is slight C is to rivet on a stiffner 6nbsp;that has a slight curve E He referred to this as  2antipanting 2 - a British term E

  6nbsp;

 We also discussed the possible cause of the problem E 6nbsp;I suspect I didn 7t have enough clecoes 6nbsp;installed during rivetting 6nbsp;due in large part to the rivet pattern I was using E 6nbsp;

  6nbsp;

 Cheers

  6nbsp;

 Les

  6nbsp;

  340643 - some assembly required

  6nbsp;

  6nbsp;

 

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