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Sonex 815 Build Logs
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Date:  1-6-2008
Number of Hours:  3.00
Manual Reference:  
Brief Description:  RH cowling installation

Spent quite a bit of time filing on the lower sump fins with the surform file - still need to do some more. Got the mounting sides of the RH cowling pretty well cut to size. Took more iterations than I could imagine of off and on just to get the opening for the gear leg big enough to allow the cowling to shift around. The built-in radius at the transition from the side to the windshield isn't quite tight enough, so it may not pull in fully tight there. The cowling just barely makes it to the centerline on the bottom, and it's off by about 3/16" at the top. They left plenty of length, though. Trimmed off about 1 3/4" to 1 1/2" around the aft sides. Seems kind of funny that they would leave so much extra length, but nothing on the centerline. I'll have to build it up. Some sites show leaving the forward end free in space so it won't spring off somewhere when it's unattached from the alignment plate on the prop hub. So far, I haven't hard-attached it to the prop hub - so many on and offs, I just used spring clamps. But I'm also guessing the gap to the prop is going to be a bit larger on the bottom side - it seemed like it wanted to pull in there. That's easy to fix by building it up later.
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It's not quite to the center line on top.  (Vert line on prop hub is NOT the centerline!)

It's not quite to the center line on top. (Vert line on prop hub is NOT the centerline!)

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Side and windshield cuts.

Side and windshield cuts.

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Cut to fit around engine mount and brake cable.  Cowl is not held tight to side of fuse here.

Cut to fit around engine mount and brake cable. Cowl is not held tight to side of fuse here.

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