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Date:  10-5-2017
Number of Hours:  3.00
Manual Reference:  
Brief Description:  LH Fuselage Upper Longeron Reinforcement

Unclamped the longeron from the bonding operation yesterday. Cleaned up glue squeeze out, etc, with a permagrit block. Used my router to put a 3/16" raduis on the lower edge of the longeron to facilitate layups. Cut cloth for reinforcements, 3 plys uni, and 1 ply BID. I cut three pieces of BID and used two. Made a fillet between the inside skin and the longeron with flox. The radius was a strong 1/4". Made layups per plans. Image two shows tick marks for the ply drop offs. They are 1/2" spaced. I used the outer and the next two ticks for the UNI. The shortest of the UNIs ended up being 57" long, 1 inch past the doubler joint. Installed peel ply over the laminates to improve appearance.
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Layups complete - Peel ply in place

Layups complete - Peel ply in place

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Notice end of tapered doubler and tick marks

Notice end of tapered doubler and tick marks

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Longeron overhang at aft end

Longeron overhang at aft end

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