RE: H9 Twist 40 engine and prop choice???
Nubie 1 - Yes the 11x5 works real well, I prefer the 12x4 then the 12.25x 3.75 then the 11x5 in that order--- But it is fine on the 46 -
Someone asked what 2 cycle for this airplane- I really like the Irvine-53 and Webra-50GT