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Kupe's Zodiac 650B
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Date:  7-26-2015
Number of Hours:  2.00
Manual Reference:  
Brief Description:  Cowling Fit 4

Began by measuring a cut line along the aft edge of the cowling based on the lines I drew on the inside of the cowling using the sharpie-on-a-stick technique up through the cowling space around the nosewheel. I chose 30mm overlap between the aft ends of the 2 cowl pieces and the forward edges of the fuselage skins with the attachment line 15mm from the aft edge of the cowlings. I cut off the excess using a dremel cutting wheel, created a huge dust cloud in the garage, and got both pieces trimmed down to their final size.

Once trimmed, I placed the two cowling pieces back on the airplane and attached them to each other with clecoes using the holes I drilled yesterday. Once assembled and placed into the desired position (and held there firmly with duct tape!), I drilled out the 5 holes across the top, three holes up each side, and the final hole at the aft end of the seam between the 2 pieces as directed by the plans. I'm pretty happy with the final fit. I still have some sanding to do along the aft edge and a little grinding to even uut the line where the top and bottome cowls meet in the back.
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Final trimmed size with pilot holes where the cowling attaches to top and side skins.

Final trimmed size with pilot holes where the cowling attaches to top and side skins.

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From behind: Another view of the trimmed and clecoed cowling.

From behind: Another view of the trimmed and clecoed cowling.

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Prop spinner mounting plate spacing still good at 3/16' to 1/4

Prop spinner mounting plate spacing still good at 3/16' to 1/4" (must be no closer than 1/8").

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