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  2. Tunnel boring machine - Wikipedia

    en.wikipedia.org/wiki/Tunnel_boring_machine

    The first TBM peaked at 4 meters per week. This increased to 16 meters per week four decades later. By the end of the 19th century, speeds had reached over 30 meters per week. 21st century rock TBMs can excavate over 700 meters per week, while soil tunneling machines can exceed 200 meters per week. Speed generally declines as tunnel size ...

  3. List of vehicle speed records - Wikipedia

    en.wikipedia.org/wiki/List_of_vehicle_speed_records

    Uncrewed torpedo speed claims range from 60 knots (110 km/h; 69 mph) for the British Spearfish torpedo [64] to 200 knots (370 km/h; 230 mph) for the Russian VA-111 Shkval. [ 65 ] ^ a b Ground effect vehicles (a.k.a. "Wing-In-Ground effect vehicles") are classified as maritime vessels, rather than aircraft, by the International Maritime ...

  4. SOCATA TBM - Wikipedia

    en.wikipedia.org/wiki/SOCATA_TBM

    The TBM 900 saw the adoption of a new five-bladed propeller, specially optimised by Hartzell based upon airflow simulations conducted of the TBM's forward section. According to SOCATA, Hartzell's selection over a similar advanced counterpart from MT-Propeller was made due to the former raising the cruise speed by around 3 to 5 kn (5.5 to 9 km/h).

  5. The world's fastest human-powered vehicle just topped 85 mph ...

    www.aol.com/news/2015-09-18-aerovelo-fastest...

    It might look like a kayak on its side, but that vehicle above has just broken the human-powered land speed record. The pilot, Todd Reichert, managed 85.71mph in his "Eta" speedbike on Thursday ...

  6. Speed record - Wikipedia

    en.wikipedia.org/wiki/Speed_record

    A speed record is a world record for speed by a person, animal, or vehicle. The function of speed record is to record the speed of moving animate objects such as humans, animals or vehicles. The function of speed record is to record the speed of moving animate objects such as humans, animals or vehicles.

  7. Operation Plumbbob - Wikipedia

    en.wikipedia.org/wiki/Operation_Plumbbob

    However, the detonated yield turned out to be 50,000 times greater than anticipated, creating a jet of fire that shot hundreds of meters into the sky. [8] During the Pascal-B nuclear test of August 1957, [ 8 ] [ 9 ] a 900-kilogram (2,000 lb) iron lid was welded over the borehole to contain the nuclear blast, despite Brownlee predicting that it ...

  8. Ben Joyce's 105.5-mph strikeout pitch is fastest ever. Angels ...

    www.aol.com/news/ben-joyces-105-5-mph-162523432.html

    Angels closer Ben Joyce threw a 105.5-mph fastball to strike out Dodgers' Tommy Edman, making the pitch the fastest recorded to fan a hitter and third-fastest overall.

  9. List of roller coaster rankings - Wikipedia

    en.wikipedia.org/wiki/List_of_roller_coaster...

    Speed Manufacturer Record held ** Falcons Flight: Six Flags Qiddiya Saudi Arabia: 155.3 mph (249.9 km/h) Intamin * Formula Rossa: Ferrari World Abu Dhabi United Arab Emirates: 149.1 mph (240.0 km/h) Intamin: November 2010 – present * Kingda Ka: Six Flags Great Adventure United States: 128 mph (206 km/h) Intamin: May 2005 – November 2010 ...