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RV-7A Construction Log
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Date:  2-5-2010
Number of Hours:  0.50
Manual Reference:  
Brief Description:  Mount Vertical Stabilizer (Fin) 1

Next per plan is to mount the vertical stabalizer. First you clamp and drill a bracket to the forward spar of the horizontal stabilizer (HS). I drilled one hole per drawing to help locate it. Then clamped and drilled the other three.

Then I trimmed off the flange of the forward fin spar. Should have trimmed off the web as well, but I end up doing it later.

Then I clamped the fin on the fuselage. Drawings has a measurement called out for vertical position of the fin. It 7 11/32 from top of longeron to top of hinge bracket. So I measured carefully and clampled the fin in place. I also checked to keep it centered.
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Clamped and drilled the bracket

Clamped and drilled the bracket

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Trimmed off bottom of fwd fin spar

Trimmed off bottom of fwd fin spar

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Clamped fin in place

Clamped fin in place

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