Hi Hal
I read your Gyro V article via RCM’s online archive it is a good article. (anyone with an active RCM Subscription can read it) So as I read it a large surface area pylon will make up for wings for stability? Like a canopy/pylon combo. Like in this one
http://www.autogyro.com/models/g-too.htm
Or
http://www.rcuniverse.com/forum/upfi...73/Ig11184.jpg
SG