How do I choose prop size?
Assembling a Harrier with a .91 thunder tiger. (broken in already) The enging mfg. recommends prop 8 prop sizes from 11-11 to 14-6.
Where do I start?
Is there a criteria to use?
I hate to buy 3 or 4 and not use most of them.
I'll be sport flying the machine next summer.......