Quote:
Originally Posted by Flieger
Actually, helical are stronger because there are more teeth in mesh. Straight-cut are noisier but have less friction because it is pure rolling contact (with a proper involute tooth profile). So, racers use them because they free up some power and reduce heat in the oil.
|
Ya, I can see how helical would be stronger - more surface area and also quiter...give it another million or so years and an increase in the graveity pull and I bet the gears will be helical! Especially if they need to be stealthy as well...