Hope this helps. Spektrum DX 18 transmitter. Spectrum 12 Channel Power Safe Rec. Two 3000 Mah Spectrum Life Batteries for receiver. Cortex Gyro Powered through the receiver . Ignition battery eliminator, so no separate battery needed for the ignition.No big deal to have another battery for the ignition. Engine Saito 90RG, Keep your weight forward, you will need to add weight to balance in the cowl, Mine weighs about 32 lbs. I use a 3 blade Biela Folk Wuff prop (not shown here from Aircraft Inter