Sorry that I'm late to the discussion, but I think the issue about
winches in the US is primarily about land. I doubt that there are
very few public use airports in the US that would allow winch
operations. There are only a few that put up with aero tow glider
operations. So to start a winch operation in the US you would have
to own enough land and be able to get it designated an airport (hard
to do politically) to allow winch operation. In the northeastern US,
there is only one glider clubs that I know of that has the space to do
it, at Philadelphia.

The land for such an operation would cost several million dollars at
todays prices. Aero tow doesn't sound so expensive compared to paying
for that mortgage.

Todd Smith
3S