On Feb 1, 2:30*pm, Dan Silent wrote:

40:1 with 13.3 meters wingspan is here...

With all due respect, I'll believe that when it's validated by an
independent third party. In the meantime, I remain convinced that the
shortest-span glider that will carry a normal-sized person at 40:1 is
about 14.3m, and that's predicated on a much higher aspect ratio than
the Silent.

Thanks, Bob K.