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Strapping the Stab

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flystol(at)bluebottle.com
Guest

Posted: Mon Mar 12, 2007 3:12 pm Post subject: Strapping the Stab

Hi All,



Relative newbie lurker here.  I have started my 601XT with kits from Zenith.  Rudder went together fine.  I am now on the stab and have what may be a dumb question.

Here goes -  the kit comes with alignment holes drilled for the skin.  I have attached the lower side, turned everything over and am ready to close.  If I follow the procedure of using the straps to pull everything into alignment, I quickly pull the forward flange pre-drilled holes in the skin past the center line of the flange.

Shouldn't I just line up the holes with the midline I have drawn on the flange, drill and cleco?  Wouldn't that guarantee alignment of the rest of the skin?

What am I misssing here?

Do not archive.



Ron

601XL San Diego



----------------------------------------------------------------------

Not making enough money? Click here to get free info on medical jobs

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p.mulwitz(at)worldnet.att
Guest

Posted: Mon Mar 12, 2007 3:39 pm Post subject: Strapping the Stab

Hi Ron,



I think that is a question for Zenith tech support.  Most of us 

(including me) didn't have the predrilled holes you have and we have 

not experienced this sort of problem.  Perhaps there is a problem 

with the holes or maybe not.



Paul

XL fuselage

do not archive



At 03:12 PM 3/12/2007, you wrote:

 	  Quote: 	
		  



Hi All,



Relative newbie lurker here.  I have started my 601XT with kits from 

Zenith.  Rudder went together fine.  I am now on the stab and have 

what may be a dumb question.

Here goes -  the kit comes with alignment holes drilled for the 

skin.  I have attached the lower side, turned everything over and am 

ready to close.  If I follow the procedure of using the straps to 

pull everything into alignment, I quickly pull the forward flange 

pre-drilled holes in the skin past the center line of the flange.

Shouldn't I just line up the holes with the midline I have drawn on 

the flange, drill and cleco?  Wouldn't that guarantee alignment of 

the rest of the skin?

What am I misssing here?

Do not archive.



Ron

601XL San Diego


	


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naumuk(at)alltel.net
Guest

Posted: Mon Mar 12, 2007 4:18 pm Post subject: Strapping the Stab

Ron-

    Did you have the correct spacers under the skeleton and everything 

nailed down before attaching the bottom? You should have your spar clamped 

to L blocks to keep everything from moving. Picture attached to give you an 

idea of what I'm talking about.

                                 do not archive

Bill Naumuk

HDS Fuse/Corvair

Townville, Pa

---

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DaveG601XL

Joined: 27 Oct 2006
Posts: 351
Location: Cincinnati, Oh

Posted: Tue Mar 13, 2007 4:03 am Post subject: Re: Strapping the Stab

Ron,



I had the pre-drilled skin like you and I remember this going fairly easily.   From what I remember, when the line on the front spar flange was visible, the aft edge of the skin also lined up nicely with the rear spar trailing edge.  After you get it strapped and everything is level, square and not twisted as referenced in the guides and drawings, go ahead and trial fit the end ribs to get the warm fuzzy that it looks right before drilling.



Good luck,



DaveG

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_________________
David Gallagher
Cincinnati, OH area

bill_dom(at)yahoo.com
Guest

Posted: Wed Mar 14, 2007 4:56 am Post subject: Strapping the Stab

Ron,

  

  According to my interpretation of the construction manual, rivets don't  need to be perfectly in the center of the flange, as long as it is 3  times the diameter of the hole (2 times diameter as minimum) away from  the edge it is ok (page 5 in my manual). This means 6 mm minimum  distance from the edge. It is important that the nose of the sking is  well aligned with the nose of the end ribs. Before doing any drilling,  you can mark the front spar flange thru the sking hole with a sharpie  and then remove the sking and check the mark distance to the edge in  order to determine how close it is.

  

  William Dominguez

  Zodiac 601XL Plans

  Miami, Florida



Ron Miller <flystol(at)bluebottle.com> wrote:[quote]  --> Zenith-List message posted by: Ron Miller 



Hi All,



Relative   newbie lurker here. I have started my 601XT with kits from Zenith.  Rudder went together fine. I am now on the stab and have what may be a  dumb question.

Here goes - the kit comes with alignment holes  drilled for the skin. I have attached the lower side, turned everything  over and am ready to close. If I follow the procedure of using the  straps to pull everything into alignment, I quickly pull the forward  flange pre-drilled holes in the skin past the center line of the flange.

Shouldn't  I just line up the holes with the midline I have drawn on the flange,  drill and cleco? Wouldn't that guarantee alignment of the rest of the  skin?

What am I misssing here?

Do not archive.



Ron

601XL San Diego



----------------------------------------------------------------------

Not making enough money? Click here to get free info on medical [quote][b]

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pbaker4(at)windstream.net
Guest

Posted: Wed Mar 14, 2007 5:06 am Post subject: Strapping the Stab

actua;;y. wrong subject. I purchased a 601-hd last  fall,The

 engine cover goes on the inside of the fuselage and  is hard

 to install. I noticed on some of the pictures that  now the 

 cowling goes on the outside. Does anyone have  pictures

 and details of changing from inside to  outside?

  

                          

 Paul baker---58 years flying spam cans

 pbaker4(at)windstream.com

   [quote][b]

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n85ae

Joined: 14 Mar 2007
Posts: 403

Posted: Thu Mar 15, 2007 6:03 am Post subject: Re: Strapping the Stab

You need to snug the skin against the nose ribs, or else you will get really deep dimples when you rivet the skin.



Jeff.



 	  Quote: 	
		  Shouldn't  I just line up the holes with the midline I have drawn on the flange,  drill and cleco? Wouldn't that guarantee alignment of the rest of the  skin?

What am I misssing here?

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pacificpainting(at)comcas
Guest

Posted: Thu Mar 15, 2007 7:12 am Post subject: Strapping the Stab

GOOD LUCK ON GETTING THAT TO WORK.

---

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naumuk(at)alltel.net
Guest

Posted: Thu Mar 15, 2007 2:25 pm Post subject: Strapping the Stab

Lister-

    Sorry, it's been so long I lost your name. You probably have a twist on 

the axis of the spar. In other words, one tip is higher than the other. 

Think about it and check it out. You can probably get out with removing the 

rivets in the bottom skin and re-aligning, then going from A4 to A5 as 

necessary.

    No big deal if you fix it now.

Bill Naumuk

HDS Fuse/Corvair



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		  > What am I misssing here?


	


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