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

來源: 於 2012-06-09 20:57:15 [舊帖] [給我悄悄話] 本文已被閱讀：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.