GM wrote:
Has anybody ever tried to launch a glider purely by gravity without the
aid of any other means? Ok - pushing it over a cliff would be one way.
I am more thinking of a steep incline, which a glider could just roll
down, i.e. a slow glider flying and a steep straight mountain road.

Uli Neumann


There are some videos on the web of this, but I can't find the link at
the moment.

Frank Whiteley