Subsea Lifting

WestMira 100T AHC Compact Winch

Post by
Kjell Ødegård

100T AHC Compact Design

A successful newly designed AHC winch has been completed and delivered to our collaborator Seadrill.

The new winch enables the rig to handle XT and other heavy items safely between moonpool and seabed.



  • SWL: 100 t
  • Rope capacity: 1000 m
  • Lifting modes: Normal, AHC & ART (Auto Rope Tension)
  • Heave parameter range:
  • Max amplitude +/- 4 m (15 sec)
  • Max. linear speed: 1,5 m/s
  • Max. acceleration: 1,1 m/s²
  • Drive system: Hydraulic
  • Environment: Haz. area, Zone 2
  • Design approval: DNV GL

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