Perry Mick wrote:

snips...

My cowling is such a mess because of the shape of the engine, that I'm
certainly not achieving this, and is probably the main cause of my low
performance (lots of drag).  But I hope to improve it next time around
(see drawing).

--
Perry J. Mick
Duckt N7XR
http://www.ductedfan.com

If you think yours is a mess take a look at this. Course this is
a lot larger diameter than yours.

Paul Lamar
 
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