<blockquote>Quote
<hr>Originally posted by: ksechler
You guys gotta be kidding me! I suppose the Navy's using TLAR's on all of it's unmanned aircraft too? I can agree that it is difficult to get airfoil data in the appropriate reynolds number ranges, but it is possible. And yes, the construction method will dictate how successful you are at reproducing the shape, but you as engineers should know as well as anyone that garbage in equals garbage out.<hr></blockquote>
.
Sport planes as specified in the original toss-up do not perform in the Re areas where the typical UAV does.
When looking at the chaotic distribution of Cl and Cd at typical model Res, a rounded front flat plate with a tapered trailing edge will do the job.
When the design requirements get specific, THEN the airfoil choice can affect the performance; but for flying that way for 15 seconds, do a 180, return... it machs very little nichts as to the wing's profile.
"..reproducing the shape."
Fabricating a sport model in a CNC generated female mold with a fully composite layup wing construction isn't only gilding a sow's ear, it's a pretty good waste of time.
.