I believe it Bob,
All of the the gliders iIve ever flown as far as I can remember have been
fully stalled at 20 mph. Most have started somewhere between 40 and 50
though.
Cheers!

"Bob Kuykendall" wrote in message
om...
Earlier, "Slick" wrote:

...I'm amazed by the stall speed of 20 mph...

I would be too - if I believed it.

Bob K.