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  2. Taut-line hitch - Wikipedia

    en.wikipedia.org/wiki/Taut-line_hitch

    This is the form most commonly used for aircraft tie-down. One taut-line hitch is tied 15–30 cm from the aircraft and adjusted for tension, then a second taut-line hitch is tied 5–20 cm further from the aircraft and finished with a half-hitch.

  3. Portsmouth Yardstick - Wikipedia

    en.wikipedia.org/wiki/Portsmouth_Yardstick

    The Portsmouth Yardstick (PY) or Portsmouth handicap scheme is a term used for a number of related systems of empirical handicapping used primarily in small sailboat racing. The handicap is applied to the time taken to sail any course, and the handicaps can be used with widely differing types of sailboats.

  4. Hold down (structural engineering) - Wikipedia

    en.wikipedia.org/wiki/Hold_down_(structural...

    A hold down resisting uplift from a timber shear wall. Holdown (holdown, hold-down, or hold down) or tie-down in structural engineering refers to the steel device or hardware that is installed at the end of a plywood shear wall. The hold downs provide uplift resistance against the overturning moment imposed on the wall due to "in-plane" lateral ...

  5. Capstan equation - Wikipedia

    en.wikipedia.org/wiki/Capstan_equation

    From the table it is evident why one seldom sees a sheet (a rope to the loose side of a sail) wound more than three turns around a winch. The force gain would be extreme besides being counter-productive since there is risk of a riding turn, result being that the sheet will foul, form a knot and not run out when eased (by slacking grip on the tail (free end)).

  6. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. Cost breakdown analysis - Wikipedia

    en.wikipedia.org/wiki/Cost_breakdown_analysis

    The cost breakdown analysis is a popular cost reduction strategy and a viable opportunity for businesses. [1] [2] [3] The price of a product or service is defined as cost plus profit, whereas cost can be broken down further into direct cost and indirect cost. [1] As a business has virtually no influence on indirect cost, a cost reduction ...

  8. Sake made in space could sell for $500,000 a glass - AOL

    www.aol.com/news/sake-made-space-could-sell...

    A Japanese sake maker is going where no sake maker has gone before: space. Asahi Shuzo, the company behind popular Japanese sake brand Dassai, plans to blast sake ingredients to the International ...

  9. 47-foot Motor Lifeboat - Wikipedia

    en.wikipedia.org/wiki/47-foot_Motor_Lifeboat

    The boat's hull and superstructure are constructed entirely from 5456 marine grade aluminum. [3] Designed with a hard chined deep "V" planing hull , [ 8 ] the 47′ MLB exceeds its hull speed . The frame is composed of 17 vertical bulkhead frames, each of which is welded to the deck and hull, and five of which are watertight.