To give maximum performance whilst keeping weight low George Worley at 4-max has put together a special EDF / ESC / Battery Combination together to suit this plane.
FMS 64mm 11-blade ducted fan with up to 800 grams of thrust.
choose the 2840-KV3150 motor version,
4 Cell 14.8V 2000 – 2600 mAh Lipo Battery 35C
FMS Predator 40A ESC