Why don't I go faster? Jan 20, 2005 13:26:43 GMT -6 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by SledMaster on Jan 20, 2005 13:26:43 GMT -6 Check out this webpage. It shows you why a metal bottom sled is the fastest:ffden-2.phys.uaf.edu/212_fall2003.web.dir/Andrew_Posma/Friction.htm The SledMaster