At 07:06 PM 10/6/2002 -0700, jerry dycus wrote: > > taken apart. It doesn't > > help that Corbin didn't put any way to adjust belt > > tension on the car. > Not Good. I'd oval out the motor mount holes if it's too tight. > Can you make it ajustable?
Not really, It's a simple configuration with the swingarm bolted to a bracket that is bolted to the motor. About the only way I can see to loosen the belt would be to have the face of the swingarm mount milled down a bit - which (of course) would slightly weaken the swingarm mount. > A 135 tooth sprocket would be 13.5" dia, # of teeth/10 = dia in > inches I noticed for 8mm belts, that's big? Yup, the rear sprocket in a Sparrow is as large as the tire rim. > > from slipping and grinding up the belt when starting from a dead stop. > If it skips it's too loose!!! They only need 3 sprocket teeth in full > contact with the belt to give >full rated power. "Rated" may be the key word here. The Sparrow belt is only 36mm wide. With the motor's starting torque, moving a 1500lb car uphill from a dead stop, might exceed the belts rating. > If one of the sprockets are out of round by only a >little bit, 1/16", and the belt is tight it will be >like a hammer every rev. Already experienced that when a little mud dried in a couple teeth of the small sprocket. -- John G. Lussmyer mailto:[EMAIL PROTECTED] Dragons soar and Tigers prowl while I dream.... http://www.CasaDelGato.com
