ORIGINAL: kargo
The reason for the electric conversion is so we can fly it in the fairgrounds behind our house. We could probably get away with glow power, but I feel more comfortable with something quiter. We got some help from our RC Instructor/Mentor Dave and tested the electric setup with a wattmeter. The Great Planes Rimfire 28-30-1250 motor, 25SS ESC and 11.1V 3S 2100Mah setup drew 14.5amps on a 8x3.8 APC prop and 19amps on a 8x6 APC. We weighed all the components minus the covering, nelson litefilm, and two servos and a reciever (which weight less than 1.5oz) and came up with a wopping 1lb10oz. If the model AUW is 2 lbs, it should give us 200 watts per lb. Very good aerobatic performance.
I'm trying to figure out your math here. 19 amps x 12 volts or so would be 228 watts/2 lbs equals 114 watts per pound. In all actuality youll be closer to 100 watts per pound. Still enough for spirited aerobatic performance. I built one of these about 5 yrs ago as my first kit. Started out with a Magnum .15-nuthin but headaches. Later converted to electric flying on about 125 watts/pound and it was fun. No good on grass though,every landing wound up upside down. If yours comes in at 2 lbs, watch out for the tip stall and death spiral...