Coulthard Subsea is actively involved in the development of Quicksilver, Britain's World Water Speed Record Challenge.

We have provided CAD and engineering expertise to help Nigel Macknight and his dedicated and highly skilled team build a record-breaking boat.

More information can be found on the official website:

Recent commissions undertaken:

  • Design of a 7,000 metre rated pressure vessel for testing underwater cameras
  • Design and build of underwater handling systems for sonar arrays
  • Project management of the salvage of a lock gate following anchor failure
  • Design of a temporary dam system to enable works to sluice gates
  • Design and supervision of works to protect an existing pipeline
  • Supervision of a lock gate replacement programme
  • Design of replacement caisson wear tracks
  • Design and build of a precise handling system for replacing large motors
  • Structural and mechanical inspection of a lock caisson
  • Workboat stability analysis following hull and deck modifications
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