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Planform question....

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dana62448

Active Member
Joined
Jul 29, 2008
Messages
31
I'm working on a part 103 design and have a question about a double taper planform,
I'm using a high wing with a carbon D cell and drag spar supported by two points at the root
and a single strut attached at the lower longeron and 30-40% of the halfspan.
I would like to use a 20% Airfoil at the strut attach point, tapering to 12% at the tip and 16% at the root.
The goal is to optimize the spar depth and build a very light wing.
What are the airflow implications for this Stinson Reliant type planform,
particularly at the root/cabane attach point.
I am shooting for a 25mph stall.
I'm planning to use Junkers flaps for lateral control a la Backyard Flier,
which also accomplished this low stall speed with a very thick tapered wing.
 
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