On Saturday, September 22, 2012 10:55:27 PM UTC-7, wrote:
Dear gliderpilots!



Manufacturers are not completely sure which is the way to go. So here you can vote for your favorite sustainer system:



http://www.front-electric-sustainer.com/voting.php



Thank you,



Luka

Regenerative energy derivation from soaring flight has actually been looked at fairly seriously. This is an interesting read on the subject
esoaring.com/regensoaring.pdf

Craig