He was an innovator in engineers, transmissions and mechanical components. 他在发动机,传动,机械构件方面搞了一些革新。
Harley-Davidson motorcycles are now available with three speed sliding-gear transmissions with final and primary drive on the same side. 哈雷戴维森摩托车开始使用主副减速器在同一侧的三速滑动齿轮传动系统。