This paper describes the development and testing of the lightweight Surface Handling System (SHS) for the Advanced Tethered Vehicle (ATV), a tethered, 13,000-lb ROV (Remotely Operated Vehicle) with a sea state 3 launch/recover capability. The SHS features a pivoting A-frame and a tension compensating ram tensioner. Use of an A-frame greatly reduces the weight and complexity of the handling system. The ram tensioner prevents snap-loading of the lift-line during launch and recovery, and snap-loading of the tether while at depth. Preliminary testing used a dummy vehicle in 63 launches and recoveries in up to sea state 3. Final testing with the vehicle culminated with a successful 20,600-ft (6280-m) dive in high sea state 3 conditions.


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    Title :

    Advanced Tethered Vehicle Lightweight Handling System Development and Testing


    Contributors:

    Publication date :

    1991


    Size :

    13 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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