[quote name='gruntguru' post='5167127' date='Jul 12 2011, 06:36']With a dash of fantasy.[/quote]
Oh yes, a little bit of you have, then a little knowledge and work reliably over the idea and new invention ready.....
Here you can see perfectly that we can get plenty of potential energy generated by the aerodynamics, without any propellers....
It allows a range of up to 3000 km by glider...
http://en.wikipedia.org/wiki/Gliding
Andrew
