3.5kg metal wheel hub, impact speed 200km/hr,

来源: 于 2012-06-09 20:57:15 [旧帖] [给我悄悄话] 本文已被阅读：次

suppose the speed of bus 100km/hr, speed of broken wheel hub 100km/hr. 90 degree impact, regular wind shield does not stand a chance.