On Jan 15, 6:45 pm, GM wrote:
On Jan 15, 4:26 pm, wrote:

Watch this whole movie. Notice very interesting take-off in the middle
of the video.http://www.youtube.com/watch?v=klkFm...eature=related
How about the social aspect of soaring?

Jacek
Pasco, WA

Cool! I heard about gravity launches but that is the first one I have
seen documented. Does the narration say anything about the prevailing
wind speed?

http://www.youtube.com/watch?v=SwVRLw7TD5I