Quote:
Originally Posted by NeilBlanchard
Straight (non-helical) gears cannot have all that great efficiency. Helical gears are better, but there are still losses.
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I would have thought a straight cut gear would be more efficient as it's not generating a axial thrust force like a Helical gear would.
One another note, I've seen this before and limiting factor to me is how to you create an efficient variable speed drive for the control shaft?
My understanding is the principle of it's operation is about relative speed of the main gears. Kinda like running on a train. Your relative speed to the ground is different to your relative speed to the train.