Originally Posted by
Maxam
Hyjinx, too small of a prop and RPM too high. Use a 24x12 on your Stearman.
Thank you
I weighed it today at 34 lbs. It has no ballast aft 30% with the 7-70.
Sounds like I am under powered.
Hmm
Maybe the Tech No Power 9/90 down off the shelf..😁