Towed Planing Sled for Delivery of Oil Pollution Control Equipment, Addendum 1. Improved Version of Towed Planing Sled for Operation in Wet or Dry Mode.
NAVAL COASTAL SYSTEMS LAB PANAMA CITY FLA
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Design of the FSD sled previously developed at NCSL to be used for fast surface delivery of pollution control equipment was modified to provide a means to use the sled as a non-submerged or dry boat for transportation of non-floatable loads or a dry work platform in addition to the original use for delivery of pollution control equipment. The FSD sled was designed to have the capability of manually loading and off-loading floating equipment at sea. At rest in water the empty sled lies with the aft end submerged. After the floating payload is aboard and the sled is under way, the water drains, the stern comes up, and the sled hydroplanes. At the deployment site, lines securing the equipment to the sled are released and the stern submerges, leaving the payload floating free. The improved version wet-dry sled is similar to the FSD sled, but has been modified by adding a hatch at the stern that can be closed to seal the hull to provide a dry boat. Other modifications were made to improve handling and performance capabilities of the sled. Author
- Marine Engineering