[Rick TYler]

Originally Posted by Joyride_67_1902

You have to also put into the picture that chain is less efficient than gears over a certain distance since chain has a 70% transfer of the original energy put out,

Hmm... this is contrary to everything I've been taught, which is that a well-lubricated roller chain set up in proper alignment can be 98% efficient. Can you provide a citation for your 70% figure? I'm confused.