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  • * [[User:Joep/PillarStead|PillarStead]] A trade-off between a boat and a spar, trying to get benefits from both designs. * [[User:Heath/Small_Independent_Spar_Platform|Small Independent Spar Platform]]
    5 KB (595 words) - 23:07, 19 October 2011
  • .... The truss spar has three basic components -- 1) a living cylinder (e.g. spar) at the top, 2) a truss attached underneath cylinder, and 3) a mass/damper ...uss around the central steel pipe. The tension wires are attached to the pipe via triangular mount points that are in compression. The cables are not sh
    6 KB (999 words) - 07:49, 14 November 2021
  • | A triangular mainsail, without any upper spar, which is hoisted up the mast by a single halyard attached to the head of t ...pipe, bosun's pipe, boatswain's whistle or bosun's whistle. A high-pitched pipe or a non-diaphragm-type whistle used on naval ships by a boatswain, histori
    417 KB (63,054 words) - 22:31, 29 November 2023