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Steve & Nancy Riffe
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Date:  10-4-2015
Number of Hours:  1.00
Manual Reference:  
Brief Description:  Made spacer block to set incidence

Today I spent an afternoon making a gauge for setting the wing incidence. The plans specify a spacer block 2 51/64” tall to attach to a level and set over the web of the rear spar. I tried various combinations of scrap angles, different pieces of sheet scrap etc and finally decided to use a piece of angle (left over from the tank attach bracket) and some .063 sheet to extend to the required distance. Getting the end square while getting the correct distance was a bit of trial and error (quite a bit!). I fooled around with this for quite some time—used a caliper to measure the distance. Finally got it set, clamped the two pieces together and match drilled to #40, then 1/8” and finally a #30 ream. Squeezed in a couple of rivets and checked the distance again—2.7969” or 2.797 (my caliper doesn’t go that far). One more step toward getting ready for the wing install. Only logging 1 hour out of about 3.5 hours of getting not much accomplished.
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Spacer block

Spacer block

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Riveted on

Riveted on "extension" for desired length

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