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2. Fifth-wheel coupling - Wikipedia

   en.wikipedia.org/wiki/Fifth-wheel_coupling

   The fifth-wheel coupling provides the link between a semi-trailer and the towing truck, tractor unit, leading trailer or dolly. The coupling consists of a kingpin, a 2-or- -inch-diameter (50.8 or 88.9 mm) vertical steel pin protruding from the bottom of the front of the semi-trailer, and a horseshoe-shaped coupling device called a fifth wheel ...

3. George Walther Sr. - Wikipedia

   en.wikipedia.org/wiki/George_Walther_Sr.

   George Walther Sr. (August 13, 1876 – April 10, 1961) was an American inventor, engineer, businessman, civic leader and the holder of over 100 patents for truck wheels, brake drums, fifth wheels, and landing gear/legs for the trucking industry. He was the founder of the Dayton Steel Foundry.

4. Perseverance (rover) - Wikipedia

   en.wikipedia.org/wiki/Perseverance_(rover)

   Perseverance, nicknamed Percy, [ 2 ] is a car -sized Mars rover designed to explore the Jezero crater on Mars as part of NASA 's Mars 2020 mission. It was manufactured by the Jet Propulsion Laboratory and launched on July 30, 2020, at 11:50 UTC. [ 3 ] Confirmation that the rover successfully landed on Mars was received on February 18, 2021, at ...

5. Undercarriage arrangements - Wikipedia

   en.wikipedia.org/wiki/Undercarriage_arrangements

   This table shows the main types of individual, basic wheeled units (single-wheel unit or bogies composed of multiple wheels) used on most aircraft undercarriages. Symbol. Wheeled unit. Example. 2 wheels, 1 axle. Airbus A380 nose landing gear (consisting of a single 2-wheel bogie) 4 wheels, 2 axles. An Airbus A330 's main landing gear ...

6. List of Starship launches - Wikipedia

   en.wikipedia.org/wiki/List_of_Starship_launches

   Booster landing Ship landing 1 20 April 2023 13:33:09 Block 1 B7: Block 1 S24: Starbase, OLM-A — — Transatmospheric [9] SpaceX: Failure [a] Precluded Precluded The first integrated flight test of Starship was the first flight test of the full launch vehicle with both the Super Heavy booster and the Starship upper stage integrated.

7. Rocker-bogie - Wikipedia

   en.wikipedia.org/wiki/Rocker-bogie

   Rocker bogie on Curiosity. The rocker-bogie system is the suspension arrangement developed in 1988 for use in NASA 's Mars rover Sojourner, [1][2][3] and which has since become NASA 's favored design for rovers. [4] It has been used in the 2003 Mars Exploration Rover mission robots Spirit and Opportunity, [5] on the 2012 Mars Science Laboratory ...