On Wednesday, November 13, 2013 10:12:49 PM UTC-5, Waveguru wrote:
How about a flexible rudder you could flap like a swim fin? Has that been thought of?



Boggs

Boggs I think you are on to something...

Maybe the Duckhawk could use a contraption like this:
http://www.youtube.com/watch?v=7yMeIsmAV-E

Save the battery and get some exercise while you stretch out your final glide!