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  2. Tieback (geotechnical) - Wikipedia

    en.wikipedia.org/wiki/Tieback_(geotechnical)

    Upon installation, tiebacks are tested and usually pre-loaded. In specific, a combination of proof tests and performance tests are performed on every job. Proof testing involves the application of successively larger loads on the tieback with a loading jack, allowing for the recording of a load-elongation curve according to gauge readings.

  3. Duramax V8 engine - Wikipedia

    en.wikipedia.org/wiki/Duramax_V8_engine

    The L5P Duramax is the latest version of the Duramax V8 diesel engine.(engine code Y). Introduced in the 2017 model year, it was the most powerful diesel engine GM had produced, with 445 hp (332 kW) at 2,800 rpm and 910 lb⋅ft (1,234 N⋅m) at 1,600 rpm.

  4. Tie down strap - Wikipedia

    en.wikipedia.org/wiki/Tie_down_strap

    A ratchet tie-down strap. A tie down strap (also known as a ratchet strap, a lashing strap or a tie down) is a fastener used to hold down cargo or equipment during transport. Tie down straps are essentially webbing that is outfitted with tie down hardware. This hardware allows the tie down strap to attach to the area surrounding the cargo or ...

  5. Ericsson cycle - Wikipedia

    en.wikipedia.org/wiki/Ericsson_cycle

    Ideal Ericsson cycle. The following is a list of the four processes that occur between the four stages of the ideal Ericsson cycle: Process 1 -> 2: Isothermal compression. . The compression space is assumed to be intercooled, so the gas undergoes isothermal compres

  6. Erickson Inc. - Wikipedia

    en.wikipedia.org/wiki/Erickson_Inc.

    Erickson Incorporated is an American aerospace manufacturing and aviation service provider based in Portland, Oregon, United States. [1] Founded in 1971, it is known for producing and operating the S-64 Aircrane helicopter , which is used in aerial firefighting and other heavy-lift operations.

  7. 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 ...

  8. Sikorsky S-64 Skycrane - Wikipedia

    en.wikipedia.org/wiki/Sikorsky_S-64_Skycrane

    Originally a Sikorsky Aircraft product, the type certificate and manufacturing rights were purchased from them by Erickson Air-Crane in 1992. Since that time, Erickson Air-Crane has become the manufacturer and world's largest operator of S-64 Aircranes and has made over 1,350 changes to the airframe, instrumentation, and payload capabilities of the helicopter.

  9. Roky Erickson - Wikipedia

    en.wikipedia.org/wiki/Roky_Erickson

    Roger Kynard "Roky" Erickson (July 15, 1947 – May 31, 2019) was an American musician and singer-songwriter. He was a founding member and the leader of the 13th Floor Elevators and a pioneer of the psychedelic rock genre in the 1960s, as well as horror rock in the 1970s and 80s.