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VS-1003 Countersinking

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michael(at)wellenzohn.net
Guest

Posted: Tue Jan 31, 2006 2:02 am Post subject: VS-1003 Countersinking

Hello, I am new to the list and started the VS for my -10.

Here is my question: I countersunk every second hole of the right flange of

the VS-1003 and I now the hole in the VS-1003 has the size that an AD3

rivet head fits just about through. the rear spar cap holes are still #40.

Will this be still ok to rivet the skin on?



Best Regards

Michael  # 511

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jjessen(at)rcn.com
Guest

Posted: Tue Jan 31, 2006 7:44 am Post subject: VS-1003 Countersinking

Welcome!  I've looked at the plans and cannot quite determine what step has

you countersink every second hole of the right flange of the VS-1003.  And

did you machine countersink these holes?  It sounds as if you are too deep.

Do you have any pictures?  



John Jessen

  ~328  (Tailcone)



do not archive



--

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jdalton77(at)comcast.net
Guest

Posted: Tue Jan 31, 2006 9:30 am Post subject: VS-1003 Countersinking

I just went through this step. I'm not sure what you mean by every second 

hole - the way I interpeted the manual was to countersink a subset of the 

holes on V-1003, dimple another group, and finally leave some of another 

group of holes alone.



I was also worried about the countersinks being too deep because the 

aluminum is pretty thin - I thought they looked too deep AND needed 

different rivet.



The instructions say to be sure to make the countersinks are deep enough to 

accept the dimple in the skin.  I then realized that the countersunk holes 

are used to connect the skin, the V-1003, AND the spar caps all together, 

and the rivet will not be squeezed behind VS-1003 but behind the spar cap, 

which is not dimpled or countersunk.  That made me feel better about the 

countersink appearing too big.  The spar cap is designed to support the 

assembly.

---

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