No Spin Of Torque ratio Tail rotor Blade After Engine Shut down.

Danger! While Helicopter Landing in Ground, No Off The Engine!! Please Check the gear Before engine off!

Helicopter Type "Rave 90" Is Tail Rotor engine driven.

For Real flight RF6.5 RF7.5 and RF8 Simulator RC.

Because Tail Rotor Ratio That PLEASE BREAKING THE ENGINE OF HELICOPTER!!