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The 5-inch (127 mm)/54-caliber (Mk 45) lightweight gun is a U.S. naval artillery gun mount consisting of a 5 in (127 mm) L54 Mark 19 gun on the Mark 45 mount. [1] It was designed and built by United Defense, a company later acquired by BAE Systems Land & Armaments, which continued manufacture.
Glastron V-142 Skilifte motor boat in Forum Marinum maritime museum. Glastron is a boat manufacturing company and was one of the first manufacturers of fiberglass boats. Glastron is owned by Rec Boat Holdings, a subsidiary of Groupe Beneteau. Bob Hammond, Bill Gaston, Bob Shoop, and Guy Woodard founded the company on October 14, 1956, in Austin ...
A Higgins Industries torpedo boat plant in New Orleans, 1942. Higgins Industries was the company owned by Andrew Higgins based in New Orleans, Louisiana, United States.. Higgins Industries is most famous for the design and production of the Higgins boat, an amphibious landing craft referred to as LCVP (Landing Craft, Vehicle, Personnel), which was used extensively in the Allied forces' D-Day ...
For a given sail area a gaff rig has a shorter mast than a Bermudan rig.In short-ended craft with full body, heavy displacement and moderate ballast ratio, it is difficult to set enough sail area in the Bermudan rig without a mast of excessive height and a centre of effort (CE) too high for the limited stability of the hull. [8]
One of the first types of purpose-built small powered fishing boats to appear on the Chesapeake Bay were the Hooper Island draketails of the 1920s and 1930s. The Hooper Island draketails featured construction similar to the sailing skipjacks, but were narrower as stability was not needed to carry a sail and a narrow hull made best use of the ...
In 1949 he started his own company, DeLong Engineering & Construction Company. In 1950 he constructed the DeLong Rig No. 1 for Magnolia Petroleum, consisting of a barge with six legs. In 1953 DeLong entered into a joint venture with McDermott, which built the DeLong-McDermott No.1 in 1954 for Humble Oil. This was the first mobile offshore ...
The water does not circulate in through one tube and out through the other. The internal-combustion analog of the pop pop boat engine is the valveless pulse jet. Commercial pop pop boats have usually been made out of tinplate. The hull of the boat may be made out of any material that floats. Homemade pop pop boats are often made out of wood.
A moon pool is an equipment deployment and retrieval feature used by marine drilling platforms, drillships, diving support vessels, fishing vessels, marine research and underwater exploration or research vessels, and underwater habitats. [1]