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  2. Liftboat - Wikipedia

    en.wikipedia.org/wiki/Liftboat

    The boat was declared a total loss at an estimated cost of $1.14 million. The Ram XVIII was a 215-foot liftboat, built in 2015 and owned by Aries Marine Corporation in Lafayette, Louisiana . The National Transportation Safety Board (NTSB) determined that the probable cause of the accident was an industry failure of not providing liftboat ...

  3. Portable boat lift - Wikipedia

    en.wikipedia.org/wiki/Portable_boat_lift

    A portable boat lift is not a boat lift which is commonly found attached to a dock. Although some devices allow one person to separate a boat from a trailer or lift a boat up and out of the water, they are not by definition portable. The term "boat lift" originally referred to lift locks. In modern usage the term "boat lift," as opposed to ...

  4. Boat lift - Wikipedia

    en.wikipedia.org/wiki/Boat_lift

    A precursor to the canal boat lift, able to move full-sized canal boats, was the tub boat lift used in mining, able to raise and lower the 2.5 ton tub boats then in use. An experimental system was in use on the Churprinz mining canal in Halsbrücke near Dresden. It lifted boats 7 m (23 ft) using a moveable hoist rather than caissons.

  5. Tub boat lift - Wikipedia

    en.wikipedia.org/wiki/Tub_boat_lift

    A tub boat lift (German: Kahnhebehaus) lifts the boat out of the water. Most other types of boat lift such as locks or inclined planes are designed to move the boat afloat in some kind of water-filled tank, and, apart from maximum dimensions, are not restricted in the type of craft transported. Tub boat lifts and tub boats are designed to work ...

  6. List of boat lifts - Wikipedia

    en.wikipedia.org/wiki/List_of_boat_lifts

    Geheyan dam boat lift, also in Hubei Province, capable of lifting vessels of 300 tons displacement. The dam was completed in 1994, but technical difficulties delayed the opening of the ship lift for four more years. Longtan dam boat lift, capacity to lift vessels of 250 tons, in a basin 40×10.8×1.8 meters, and a vertical lift of 68.5 meters. [2]

  7. Pulley - Wikipedia

    en.wikipedia.org/wiki/Pulley

    A sheave or pulley wheel is a pulley using an axle supported by a frame or shell (block) to guide a cable or exert force. A pulley may have a groove or grooves between flanges around its circumference to locate the cable or belt. The drive element of a pulley system can be a rope, cable, belt, or chain.