This is what used to be my own design (although largely based on my Robbe Disco) hand launch glider. I converted to electric by installing a 6V speed 400 and 6 x 3 folding prop. Weight increased from 300 grams to about 460 grams in the conversion so its a lot heavier. Batteries are 7 x KAN 650's. These batteries are the next size down from what you would normally use for a speed 400. The batteries can get a bit warm if you run the motor a lot but with a mixture of thermalling and climbing they don't get too hot.

It can be difficult to covert a model. I had a difficult time fitting everything into the narrow fuselage.
Overall performance is not great. Climb rate and thermalling is OK but model is best in light conditions. I'm coming to the conclusion that if you want to get reasonable performance from a glider 2 metres is the minimum size. The only way to get good thermal performance from a small glider, especially if its carry heavy batteries, is to have lots of camber. Then its too slow and you can only fly it on calm days. With Auckland's typically windy weather this limits flying opportunities. With a 2m glider you can have reasonable penetration and still get thermal performance.
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