On Monday, March 18, 2013 2:42:04 PM UTC-7, wrote:
This glider has been around for about 20 years.. It looks like the RnR XBXC. Designed for RC cross country racing. .. From the back of a pickup..

http://www.rnrproducts.com/airframes/gliders/xbxc.htm

I've owned two of them, Flew them at Montague XC Challenge for 10 years. Measured L/D around 30:1 at 30 knots. Longest flight over 6 hours, longest distance 76 miles.

Then I decided to spend more time in the "real" thing.