Iain

If the Idaflieg has the data for your ship---you can, for a small handling
fee, get that data. They have carefully measured polars for each flap
setting, faired together. Adjust for your flying mass, and viola, the best
flap settings for you.

Hartley Falbaum
USA "KF"

Thanks - I emailed them about the Ventus 2bx

Frank (TA)