Posted by M Fanoni [66.194.72.243] on Thursday, November 12, 2009 at 19:56:32 :
In Reply to: rpm,= what speed posted by bill in Pa. [75.222.8.126] on Thursday, November 12, 2009 at 19:12:16 :
2000/1/4.89*16*2*3.14*60/12/5280
2ez, 39 mph
Follow Ups: