When is an Oil Not an Oil?
[ad_1] Kevin Cameron has been writing about bikes for practically 50 years, first for <em>Cycle journal</em> and, since 1992, for <em>Cycle World</em>. (Robert Martin/) Engineers had been entranced with the physics of full-fluid-film lubrication of the type that makes the plain bearings in trendy engines workable. They weren’t so blissful once they tried to use … Read more