Bell47 Custom Made PrototypeI 500mm Blade Helicopter งานฝีมือคนไทย
Bell 47 Scale : 500 Size RC Helicopter
Motor : Align 520MX Brushless Motor(1600KV/3527) 6s
Servo : KST DS589MG for Cyclic and KST DS565X for Rudder
Gyro : Vbar
Batter : Gen Aces 3300 mAh 6S
ESC : HBW Platinum 120A

The Bell 47 is a singlerotor singleengine light helicopter manufactured by Bell Helicopter. It was based on the third Bell 30 prototype, which was the company's first helicopter designed by Arthur M. Young. The 47 became the first helicopter certified for civilian use on 8 March 1946.