{"text":"

towing winch (aft) 2 drums<\/h1>

Rolls-Royce Oy Ab<\/p>

TOWING WINCH (AFT)
Type: TW 1220\/100H with two declutchable drums with band brakes.
Drum 1:
Dimensions: Barrel \u00d8 800 mm, Flange \u00d8 2040 mm
Length 895 mm
Wire capacity: 700 m \u00d8 50 mm steel wire on eleven layers
Brake actuator: spring compressed, hydraulically released brake cylinder.
Claw clutch: operated by hydraulic cylinder
Drum 2:
Dimensions: Barrel \u00d8 800 mm, Flange \u00d8 1950 mm
Length 505 mm
Wire capacity: 350 m \u00d8 50 mm steel wire on eleven layers
Brake actuator: spring compressed, hydraulically released brake cylinder.
Claw clutch: operated byhydraulic cylinder
Duty on drum 1st layer (PCD 850 mm):
Haul-in 100 kN at 0- 0,125 m\/s
Rendering 150 kN at 0 - 0,125 m\/s
Slack rope speed 0,25 m\/s
Brake holding load 1220 kN
Drive: Closed gearbox with oil bath\/splash lubrication. Gears induction hardened. One fixed displacement (low speed, high torque) high pressure hydraulic motor. Hydraulic control valves fitted on winch. <\/p>","img":""}