re shaft drives and wheelies in article snz morgan demon co uk tony morgan demon co uk writes in article apr megatek com randy megatek com writes when did you go out and change the laws of physics according to some numbers i used to see bandied around shaft drive is on the order of efficient while chain drive is closer to seems to me that this makes chain drive more efficient hmmmmm well maintained chains running in oil without those little rubber o rings to cause frictional losses might reach efficiency the average open to the dust o ring motorcycle chain probably has a difficult job making efficient how about some sources for all these numbers or is this more stuff that everybody knows blaine gardner evans sutherland bgardner dsd es com
