I am building a Electric Revolver 50cc size
When I figured out how much cheaper to fly lypo vs. nitro in my 90 size helicopter, I switched and Have never looked back. All of my heli's are now Lypo
3x the HP with eclectic vs. nitro in a 90 size heli.
I tried gasoline airplanes, the motors RPM are too slow for my style of flying.
I am building and electric revolver, I have the 70 Nitro Revolver now, since it came out.
I have a pile of 6S Lipos
The Turnigy Nano Techβs from the USA warehouse at Hobby King have been the best value for me.
I pound the Nanoβs in my Motley Crew, Revolt 30, UL-1, Spartan, 65-130 C and you can charge them at 10C
I have switched all of my 30 size and smaller planes to Lypo. 6 minute flight times and 10 minutes to charge them