On Monday, January 20, 2020 at 1:44:14 PM UTC-5, Dan Marotta wrote:
Well, let's see...Â* There are self launching gliders, winches, ground
launches, bungee, gravity...Â* We're really spoiled in the US with our
aero tows.Â* How about an air boat?

Dan, 5J

Not sure about an air boat but experiencing a launch by sea-plane would be interesting. Has been done in 1935 with a Do-12 towing a DFS Seeadler.
Sorry for the thread drift .... ;-)

Uli
'AS'