KDS 450SV is a new style helicopter with direct link configuration.
It features laconic looking, simple maintaining. The swashplate servo is external, which makes the maintenance simple and easy.
Small gear drives the tail gear directly to reduce the exhaustion of power. At the same time, players can adjust the position of the battery back and forth to change the barycenter of helicopter. With high functions dual rate&head lock gyro, powerful motor, and high multiplying power battery, the helicopter provides you with funny and interesting flying.
Main Rotor Diameter: 700mm
Tail Rotor Diameter: 150mm
Motor Drive Gear: 13T
Main Drive Gear: 150T
Tail Drive Gear: 25T
Auto-rotation Tail Drive Gear: 106T
Kit Weight: 440g