Ka-50 Black Shark III cannot lift off again after landing

[Spectre5199]

 Ka-50 Black Shark III cannot lift off again after landing，When completes a mission,landing,rearming,then try to take off again,the rotor speed will drop when increasing the collective,the helicopter won't lift off，with LH power set lim,Inverter on and Rotor speed warning light on,The helicopter suffered no damage in previous missions.

[razo+r]

Are you perhaps overloading your aircraft?

[Amarok_73]

Check the throttles (left side levers with yellow handles) if they're in propper position. They should be at the second from the top for normal operations, or at the top to override the RPM governor, that is there to be used in the case of engine failure.