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MacArtney AHC Winch - 19.5t emergency stop test

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Published on Apr 1, 2011

The MacArtney Active Heave Compensation (AHC) Electrical Winch shown moving (and stopping) 19.5 tonnes of weight during testing.

Background: Operating equipment from a vessel requires precision and sea movement can be a challenge for data accuracy, safety and control during launch, operation and recovery. To help counter movement, heavy duty ROV winches launch, operate and recover large work size vehicles in heavy seas using precisely controlled active heave compensation.

But what happens if the operator needs to stop this heavy machinery dead -- immediately? Should the unexpected happen, the operator needs to know that pressing the red emergency stop button will stop the winch straight away. Winches are equipped with an emergency stop that halts cable movement dead -- even with a full load.

MacArtney here put one of their systems to the test with a simulated a heavy duty work class ROV and heavy seas. The footage shows just how solidly the emergency stop functions -- proving just why MacArtney winches are trusted by ROV operators worldwide.

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