RE: prop balancing
I dont balnce the ones going on my trainer its a simple 2 stroke thats low rpm But it is a good idea i do it for all race engines big engines and 4 strokes...
on the other hand i once forgot to balance a prop for a jett 50 and within about 2 minutes the vibration had broke 3 of the 4 8-32 cap head bolts [X(]
I personally dont like the fingure tip balancers your almsot better not to balance there so on accurate... you could ahve one horribly out of balance and and not know with those thigns...
Steven