Thank you very much for that. Just to clarify, if I might...
May I assume then that the ring above is intended primarily to run counterclockwise... and the lower clockwise?
http://i944.photobucket.com/albums/ad287/jthomasw/131_0602_07_zaxle_tech_inforeverse_standard_rotation.jpg
Taking the following image for example..
http://www.roymech.co.uk/images9/gear_bevel_5.gif
A low pinion hypoid drive. Most examples listed as "reversible".
If the primary rotation is intended for the ring gear to turn clockwise (facing the image above), does it make a difference if the pinion...