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Wing Tie-Down Attachment

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dfmoeller

Joined: 19 Jun 2006
Posts: 60
Location: Austin, TX

Posted: Sat Oct 13, 2007 5:27 am Post subject: Wing Tie-Down Attachment

Here's what should be a quick question.



The plans for the XL show the wing tie-down rings to be mounted in what looks like a notch cut into the outboard spar tip lower flange.  This seems to be supported by the dimensions listed in the drawings.



Is that really how people are mounting these?  I can't image cutting that notch in the spar tip flange when it really doesn't look necessary.  Wouldn't that impact the integrity of the spar tip?



Just asking what others have done here.  A picture would really help.

Doug

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lwinger

Joined: 21 Jun 2006
Posts: 229
Location: Tustin, CA

Posted: Sat Oct 13, 2007 5:48 am Post subject: Wing Tie-Down Attachment

Don't notch the flange.  If you look at page 7 of the photo guide (Section 6-W-8B, Revision 3.3), you'll see that they show the aft edge of the tiedown only touching the flange, not intersecting it.  

  

 In the plans themselves, they only specify the distance for the narrow end of the ring to be 30mm.  You don't maintain the 30mm for the rest of the rivet line.  That is covered in a column note on the photo guide that says, "Note: the rivet line is not parallel to the front edge of the rib." 

  

 Larry Winger

 601XL/Corvair

 Scratchbuilding wings

 Tustin, CA

 

 

 

 On 10/13/07, dfmoeller <dfmoeller(at)austin.rr.com (dfmoeller(at)austin.rr.com)> wrote: [quote]--> Zenith-List message posted by: "dfmoeller" <dfmoeller(at)austin.rr.com  (dfmoeller(at)austin.rr.com)>



Here's what should be a quick question.



The plans for the XL show the wing tie-down rings to be mounted in what looks like a notch cut into the outboard spar tip lower flange.  This seems to be supported by the dimensions listed in the drawings. 



Is that really how people are mounting these?  I can't image cutting that notch in the spar tip flange when it really doesn't look necessary.  Wouldn't that impact the integrity of the spar tip?



 Just asking what others have done here.  A picture would really help.

Doug





Read this topic online here:



http://forums.matronics.com/viewtopic.php?p=139726#139726  [quote][b]

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_________________
Larry Winger
Tustin, CA
Plans building 601XL/650 with Corvair
Installing fuel system
www.mykitlog.com/lwinger

dfmoeller

Joined: 19 Jun 2006
Posts: 60
Location: Austin, TX

Posted: Sat Oct 13, 2007 6:57 am Post subject: Re: Wing Tie-Down Attachment

Thanks, Larry.  That was the part I was missing.  The rivet line isn't parallel to the spar!



Doug



[quote="lwinger"]Don't notch the flange.  If you look at page 7 of the photo guide (Section 6-W-8B, Revision 3.3), you'll see that they show the aft edge of the tiedown only touching the flange, not intersecting it.  

  

 In the plans themselves, they only specify the distance for the narrow end of the ring to be 30mm.  You don't maintain the 30mm for the rest of the rivet line.  That is covered in a column note on the photo guide that says, "Note: the rivet line is not parallel to the front edge of the rib." 

  

 Larry Winger

 601XL/Corvair

 Scratchbuilding wings

 Tustin, CA

- The Matronics Zenith-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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