Joining wings on TF Corsair 60 (Gold)  
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All Forums >> RC Airplanes >> Kit Building >> Kit Manufacturer Direct Support Forum >> Joining wings on TF Corsair 60 (Gold)
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Joining wings on TF Corsair 60 (Gold) - 10/28/2006 6:43:42 AM   
trosser001


 

Posts: 12
Joined: 7/12/2006
From: San francisco, CA, USA
Status: offline 		I am about to join the wing tip panels to the wing center section. Using the dihedral block on the center section, I need to know how to orient the center section:

First off - the center section, I assume, needs to be oriented vertically - correctly. Does the center section not need to be in a position such that the main center spar is at a 90 degree angle to the flat building surface? Seems like it should be...

With the center section vertical, and the T-7 rib tabs on the building service, on my tip panels the leading edge and trailing edges do NOT line up centered on the LE and TEs of the center section. Does this mean I need to break the rib glue joints and re-align the wing so that the LE and TEs are centered, the T-7 tabs are on the board, and then reglue the joints?



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< Message edited by trosser001 -- 11/15/2006 5:30:08 AM >
       Post #: 1

RE: Joining wings on TF Corsair 60 (Gold) - 11/15/2006 5:44:03 AM   
trosser001


 

Posts: 12
Joined: 7/12/2006
From: San francisco, CA, USA
Status: offline 		OK, turns out that the need to have the center section spar at a 90 deg angle to the board is correct. I added pictures to help make sense of the situation.

Now, I want to show you guys what is going on with the tip panels.

When the tabs are on the building board, with the tip panel attached to the center section (set correctly/square), the leading edge and trailing edges of the tip panels do NOT line up with the CENTER of the center panel leading and trailing edges. See the images to understand what I'm talking about.



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(in reply to trosser001)
       Post #: 2

RE: Joining wings on TF Corsair 60 (Gold) - 11/15/2006 5:54:10 AM   
trosser001


 

Posts: 12
Joined: 7/12/2006
From: San francisco, CA, USA
Status: offline 		Now, if I DO move the tip panel so that its leading (and trailing) edges are in the CENTER of center section leading and trailing edges, then the tip tab at T7 lifts OFF the table a good 1/16 of an inch.

Essentially this would remove the as-designed tip panel wash out.

Here - have a look:



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(in reply to trosser001)
       Post #: 3

RE: Joining wings on TF Corsair 60 (Gold) - 11/15/2006 5:57:20 AM   
trosser001


 

Posts: 12
Joined: 7/12/2006
From: San francisco, CA, USA
Status: offline 		Next - this is happening on both the right and left panels. At least I'm consistent!

(in reply to trosser001)
       Post #: 4

RE: Joining wings on TF Corsair 60 (Gold) - 11/15/2006 6:03:43 AM   
trosser001


 

Posts: 12
Joined: 7/12/2006
From: San francisco, CA, USA
Status: offline 		SO - what do I do? If I were not covering the wing in a balsa skin and using, instead, monokote with no skin, I could correct this in the covering process. But, since I will be not only skinning this bird, but also glassing it, I suspect the tip washout has to be accurate at this point in the building process.

How do I get this corrected?

Do I break the glue joints of the leading and trailing edges of T7 through like T3 ribs, and realign the tips and then reglue? Sounds kind of sketchy as i type it out.

By the way - I used a true building surface, and was careful of keeping the tip-panel rib tabs flat on the building surface. I checked that the tabs are still lined up using a straight edge and they are still lined up.

Please help!

(in reply to trosser001)
       Post #: 5

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