Google Earth has a file you can download to see Airspace in 3D. (new to me, I had no idea)
This in conjunction with Skyvector is a great airspace learning tool.
Absolutely Fantastic!!
http://www.lloydbailey.net/airspace.html
3 of my ex-students bought a "new" Joker Trike 912/ Aeros Profi TL wing together. Its flying a little different than my trike - their "school" trike. Then we did retraining. Joker has a foot throttle (my trike has the hand throttle), Joker has a lower seat than my trike and its faster.
This is The Green1 self launch Motor Glider Trike From eUP Aviation inc. www.eUPaviation.com
Batteries availab...inutes 1 hour or 2 hours of managed flight.
I was flying the trike and the noise in the cockpit...