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  #1  
Old 09-08-2023, 09:19 AM
JDA_BTR JDA_BTR is offline
 
Join Date: Dec 2013
Location: Colorado Springs, CO
Posts: 1,625
Default Flap drilling

I have the wings in a wing stand. I would like to fit the flaps in the stand. I see a few logs that show photos of others doing the same.

What is the best way to fix the flap in place? I have the aileron in correct position with tape and the jig at the wing bellcrank. I think Iíll be using cleco clamps on the hinge bracket but what other support or items are helpful to keeep it in position while drilling?
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  #2  
Old 09-08-2023, 12:30 PM
JDA_BTR JDA_BTR is offline
 
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Turns out the green wrap movers use is pretty good for making a support under the flap. That and a clamp on each end.
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  #3  
Old 09-08-2023, 01:45 PM
JDA_BTR JDA_BTR is offline
 
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I had a little spring steel lock tool that is used to rekey Kwikset locks. I bent it and it worked great to pull the hinge tight for drilling.
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  #4  
Old 09-08-2023, 02:26 PM
JDA_BTR JDA_BTR is offline
 
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On the wind side of the hinge I drew the 3/16 min line and the 1/4 target line. Was able to see at every hole I was above the min distance with the standard hinge width.
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  #5  
Old 09-08-2023, 02:59 PM
JDA_BTR JDA_BTR is offline
 
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Why does the hinge run so far inboard on the wing?
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  #6  
Old 09-08-2023, 03:06 PM
PhatRV PhatRV is offline
 
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I remembered that I fitted the flap with the wing laying flat on the workbench. It made it much easier to do it this way instead of mounting with the wing vertical in the stand
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