Hi;
Well I don't have a Gentle Lady, but I am building a Riser 2 Meter Sailplane and this is the electric system I am going with. Motor:
http://www.hobbyking.com/hobbyking/s...ess_Motor.html
ESC:
http://www.hobbyking.com/hobbyking/s...ontroller.html
Battery:
http://www.hobbyking.com/hobbyking/s...dproduct=58837
Programming Card:
http://www.hobbyking.com/hobbyking/s...ming_Card.html if you want to put a brake on the motor so that that folding prop will fold. Sometimes the air will continue to turn it creating a drag.
Watt Meter is a must. This is the one I use:
http://www.hobbyking.com/hobbyking/s...dproduct=34137