Submarine Rescue Cable Reel.
DEPARTMENT OF THE NAVY WASHINGTON DC
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Apparatus for delivering a heavy cable such as a rescue cable from the oceans surface to an extended for attachment to an object such as a stranded submarine and, after attachment of the free end of the cable to the object delivering the cable to the oceans surface. A syntactic foam float provides positive buoyancy for a frame assembly which supports a cable reel holding the heavy cable. Releasable ballasts are included to provide an initial overall buoyancy of a small negative value during the descent of the apparatus. A release system is provided to simultaneously release the releasable ballast to change the buoyancy of the apparatus to a positive value, release the cable reel to allow cable payout. The cable reel is coupled to a waterbrake system which limits the rate of cable payout to below the rate of ascent of the rescue cable reel. The waterbrake system includes a depth-activated clutch which engages a secondary waterbrake to slow the rate of cable payout near the ocean surface. Author
- Submarine Engineering