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  2. Enhanced Fujita scale - Wikipedia

    en.wikipedia.org/wiki/Enhanced_Fujita_scale

    The scale was used for the first time in the United States a year after its public announcement when parts of central Florida were struck by multiple tornadoes, the strongest of which were rated at EF3 on the new scale. In November 2022, a research paper was published that revealed a more standardized EF-scale was in the works.

  3. John Wilkinson (industrialist) - Wikipedia

    en.wikipedia.org/wiki/John_Wilkinson_(industrialist)

    John Wilkinson was born in Little Clifton, Bridgefoot, Cumberland (now part of Cumbria), the eldest son of Isaac Wilkinson and Mary Johnson. Isaac was then the potfounder at the blast furnace there, [3] one of the first to use coke instead of charcoal, which was pioneered by Abraham Darby.

  4. Watt steam engine - Wikipedia

    en.wikipedia.org/wiki/Watt_steam_engine

    This gave the Watt engine greater efficiency than the Newcomen engine, reducing the amount of coal consumed while doing the same amount of work as a Newcomen engine. In Watt's design, the cold water was injected only into the condensation chamber. This type of condenser is known as a jet condenser. The condenser is located in a cold water bath ...

  5. IHI Corporation F7 - Wikipedia

    en.wikipedia.org/wiki/IHI_Corporation_F7

    IHI started development work on the high bypass ratio turbofan engine in 1998, based on the low bypass ratio engine XF5-1. and the first prototype XF7-1 was tested from 2000 to 2002. The flight test XF7-10's testing started in 2002. [1]

  6. Vought F7U Cutlass - Wikipedia

    en.wikipedia.org/wiki/Vought_F7U_Cutlass

    The Vought F7U Cutlass is a United States Navy carrier-based jet fighter and fighter-bomber designed and produced by the aircraft manufacturer Chance Vought.It was the first tailless production fighter in the United States as well as the Navy's first jet equipped with swept wings and the first to be designed with afterburners.

  7. EMD F7 - Wikipedia

    en.wikipedia.org/wiki/EMD_F7

    The F7 was the fourth model in GM-EMD's successful line of F-unit locomotives, and by far the best-selling cab unit of all time. In fact, more F7s were built than all other F-units combined. The F7 succeeded the F3 model in GM-EMD's F-unit series, and was replaced in turn by the F9.

  8. Falcon F7 - Wikipedia

    en.wikipedia.org/wiki/Falcon_F7

    The F7 was powered by a 7.0 L LS7 V8 engine, which had a capacity of 7 liters and a power of 629 HP, transferring power to the rear axle in cooperation with a 6-speed manual transmission. The car reached 0–60 mph (0–97 km/h) in 3.3 seconds, and the maximum speed was about 200 mph (320 km/h).

  9. Centrifugal governor - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_governor

    James Watt designed his first governor in 1788 following a suggestion from his business partner Matthew Boulton. It was a conical pendulum governor and one of the final series of innovations Watt had employed for steam engines. A giant statue of Watt's governor stands at Smethwick in the English West Midlands.