Jason Fabisch <jfabisch@alphawire.com> wrote in message news:Fn269G.LIE@lugnet.com... (...) A new 15-hole beam slots into back of the vehicle. A lever pushes a pair of axles downwards at an angle which in turn pushes the vehicle along the beam. Push (...) (25 years ago, 20-Dec-99, to lugnet.technic)