Goosky S1 Main MotorGooSky S1 Helicopter Main Brushless Motor. This replacement motor is intended for the S1 Heli platforms. Package includes one main brushless motor.

Muffler: you can use the Zimmermann Whiplash edition muffler or the M-Studio pipe

high strength

Distance Between Mounting Hole Centers: 1

New „Tail Torque Extension“ for motor driven tails

we are pleased to announce the release of the new next generation HKII-4525-520kv Ultimate motor

●Long umbrella gear (M1/24T) x 1

5mm)●Bearing MR52ZZ x 4(Φ2xΦ3x2

5mm)●Screw x 2(M2x8mm)●M3 set screw x 1(M3x3mm)●New rudder control rod x 1(Φ1

●Special protection design torque tube

2 x 131-490-1

so they do fit snugly

The "open" design has allowed for better internal airflow circulation