Originally Posted by
1200SportsterRider
It depends on the plane style, high wing, flat bottom wing, the 16 x 6, low or mid wing, symetric airfoil 15 x 8 would be better. I know that's kind of general but ball park. 15 x 7 three blade is a good choice also.
Flying a Seagull Bucker Jungmeister biplane, weighs 13 lbs.