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horizontal stab question

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zenith-list(at)steensland
Guest

Posted: Tue Mar 17, 2009 8:33 am Post subject: horizontal stab question

Nutters, er Netters!



I have been trying to get my horizontal stab skeleton put together so I 

can get it skinned. I noticed something on a few of my ribs and was 

curious to see if any other builders have seen this with their tails.



Where the ribs (6T1-2) meet the rear spar (6T1-4) there should be a 

tangent transition from the rib to the spar. When I align the rib on the 

spar as best I can there is no way to make the top curve of the rib 

gracefully transition to the spar. There is something on the order of 

6mm height difference between the rib and spar. Has anyone seen this? I 

have a picture that would better describe the issue but it's a little 

fuzzy. http://www.steensland.net/pics/far.png



If so, how did you deal with it?



-- 

Lee Steensland

601XL/Corvair (7637L reserved) Kit/Scratch builder 0.0% complete!

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carlossa52(at)gmail.com
Guest

Posted: Tue Mar 17, 2009 8:50 am Post subject: horizontal stab question

Lee, I'm afraid your picture is fuzzier than your words...



If you are talking about a *horizontal* gap, that's not an issue (this seems to be the case, I see a ruler in the horizontal position). If it is vertical, then it is another story...

 

Good luck



Carlos

CH601-HD, plans

Montreal, Canada

2009/3/17 Lee Steensland <zenith-list(at)steensland.net (zenith-list(at)steensland.net)>

 [quote]--> Zenith601-List message posted by: Lee Steensland <zenith-list(at)steensland.net (zenith-list(at)steensland.net)>

  

 Nutters, er Netters!

 

 I have been trying to get my horizontal stab skeleton put together so I can get it skinned. I noticed something on a few of my ribs and was curious to see if any other builders have seen this with their tails.

 

 Where the ribs (6T1-2) meet the rear spar (6T1-4) there should be a tangent transition from the rib to the spar. When I align the rib on the spar as best I can there is no way to make the top curve of the rib gracefully transition to the spar. There is something on the order of 6mm height difference between the rib and spar. Has anyone seen this? I have a picture that would better describe the issue but it's a little fuzzy. http://www.steensland.net/pics/far.png

  

 If so, how did you deal with it?

 

 

 

 -- 

 Lee Steensland

 601XL/Corvair (7637L reserved) Kit/Scratch builder 0.0% complete!

[b]

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zenith-list(at)steensland
Guest

Posted: Tue Mar 17, 2009 9:16 am Post subject: horizontal stab question

I just uploaded a better picture (I took it from the zenith construction 

guidelines). The huge black line shows that the top surface of the rib 

should be flush with the top of the spar.  I get about a 6mm height 

difference on 3 of my ribs.

www.steensland.net/pics/edge.jpg

Carlos Sa wrote:

 	  Quote: 	
		   Lee, I'm afraid your picture is fuzzier than your words...



 If you are talking about a *horizontal* gap, that's not an issue (this 

 seems to be the case, I see a ruler in the horizontal position). If it 

 is vertical, then it is another story...



 Good luck



 Carlos

 CH601-HD, plans

 Montreal, Canada

 2009/3/17 Lee Steensland <zenith-list(at)steensland.net 

 <mailto:zenith-list(at)steensland.net>>



     

     <zenith-list(at)steensland.net <mailto:zenith-list(at)steensland.net>>



     Nutters, er Netters!



     I have been trying to get my horizontal stab skeleton put together

     so I can get it skinned. I noticed something on a few of my ribs

     and was curious to see if any other builders have seen this with

     their tails.



     Where the ribs (6T1-2) meet the rear spar (6T1-4) there should be

     a tangent transition from the rib to the spar. When I align the

     rib on the spar as best I can there is no way to make the top

     curve of the rib gracefully transition to the spar. There is

     something on the order of 6mm height difference between the rib

     and spar. Has anyone seen this? I have a picture that would better

     describe the issue but it's a little fuzzy.

     http://www.steensland.net/pics/far.png



     If so, how did you deal with it?



     -- 

     Lee Steensland

     601XL/Corvair (7637L reserved) Kit/Scratch builder 0.0% complete!

 *

 *


	




-- 

Lee Steensland

601XL/Corvair (7637L reserved) Kit/Scratch builder 0.0% complete!

- The Matronics Zenith601-List Email Forum -

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jaybannist(at)cs.com
Guest

Posted: Tue Mar 17, 2009 9:37 am Post subject: horizontal stab question

Lee,

  

  Unless I am seeing things wrong, I see your problem. If this photo shows the top of the stabilizer, you have the rear spar upside down.  The upper flange of the rear spar should project rearward to provide a fastening for the elevator hinge.  The lower spar flange projects forward.

 

 Jay Bannister

 Do not archive

  

  

  

     

  

     

  

  --

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Ron Lendon

Joined: 10 Jan 2006
Posts: 685
Location: Clinton Twp., MI

Posted: Tue Mar 17, 2009 6:08 pm Post subject: Re: horizontal stab question

As Jay said, 6-T-2 skin riveting drawing shows it quite clearly.

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_________________
Ron Lendon
WW Corvair with Roy's Garage 5th bearing
CH 601 XLB
N601LT - Flying
http://www.mykitlog.com/rlendon
Corvair Engine Prints:
https://sites.google.com/site/corvairenginedata/

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