Originally Posted by
Winemaker
RE post #57 with the gear drive drawings, reversing the direction of rotation with the same camshafts would imply that the cam ramps were symmetrical on lift and return. Is this the case?
The gearing between crankshaft and camshafts reverses, not to reverse the direction of rotation of the camshafts, but to preserve the direction of rotation of the camshafts while reversing the crankshaft rotation. The camshafts turn the same direction regardless of the direction the prop turns.