With this drive system, the model is excellently motorized and has enough power even for ground takeoffs. The included wiring harness with a special reverse-polarity protection connection board ensures quick and convenient assembly and disassembly. This drive set is a powerful and modern alternative to the previous brushed motors. Current draw with the included 3S LiPo and propeller: approximately 28 A (2x 14 A). Contents: 2x PERMAX BL-O 2830-1100 motors, 2x MULTIcont BL-20 SD speed controllers, 2x MPX 8x5" propellers, 2x adapters with spinners, 1x Y-adapter with cable, 2x cables for receiver + speed controller, 2x cables for servo + motor.