Ra-H-9 is helicopter with coaxial rotor scheme. Unarmed model just for fly. Potential prototype of the future attack helicopter model.

Instructional video "How to Fly"

Helicopter feature:
Rotation about longitudinal axis of rotor was implemented without using gyroscope part

Note: Movable vertical stabiliser is intended for compensating a torque during rotation

Fuel capacity: 321 gal

Additional Equipment:
4 x Flare type Countermeasure Dispenser

How to fly:
1) Start engines (Minimum power value - 5%, throttle input)
2) To take off after engines start, use VTOL input to gaining altitude. Move cursor in the up position. Don't forget to retract landing gear before your flight.
3) To fly, use pitch input, roll input and yaw input. Use VTOL input to significant change in altitude.

Fly and enjoy!