Frank,
How about something "high performance", designed for maximum duration ?
I know you work, primarily, with flat, un-airfoiled Depron sheets. However, I have seen airfoiled wings constructed from Depron.
http://newtonairlines.blogspot.com/2018/12/3mm-depron-thermal-glider.html
https://www.youtube.com/watch?v=h_RzXO5u3M0
Dave F.
How about something "high performance", designed for maximum duration ?
I know you work, primarily, with flat, un-airfoiled Depron sheets. However, I have seen airfoiled wings constructed from Depron.
http://newtonairlines.blogspot.com/2018/12/3mm-depron-thermal-glider.html
https://www.youtube.com/watch?v=h_RzXO5u3M0
Dave F.