A WINCH SYSTEM AND A ROTARY-WING AIRCRAFT HAVING SUCH A WINCH SYSTEM

摘要

The invention is related to a winch system 3 with a traction subsystem 6 that comprises a traction drum 18 for extending or retracting an external load mass rope or cable 3b in operation, and a storage subsystem 5 that comprises a storage drum 11 for storing said external load mass rope or cable 3b that is fed in operation from said traction drum 18 or for delivering said external load mass rope or cable 3b in operation to said traction drum, wherein said storage drum 11 and said traction drum 18 are interconnected by means of a connecting portion 11d of said external load mass rope or cable 3b, and wherein said traction drum 18 and said storage drum 11 are adapted to be driven in operation such that a current rope or cable tension of said connecting portion 11 d is comprised in a predetermined interval of tension values.