Robert Gaines wrote:
How many ways can a glider-sailplane be launched?
Winch
Autotow
Towplane
Gasoline engine self launch
Electric self launch
Off Back of 747
Belly of B-29
Bungee

How many more ways?

I've seen video of a Russia being lifted and released from a hot air
balloon. To top this off he did a vertical climb at the gondola until
he stopped and fell back in a tail slide.

Randy "AV8"
Zuni II ser #24