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  2. Rotating locomotion in living systems - Wikipedia

    en.wikipedia.org/wiki/Rotating_locomotion_in...

    A wheeled buffalo figurine—probably a children's toy—from Magna Graecia in archaic Greece [1]. Several organisms are capable of rolling locomotion. However, true wheels and propellers—despite their utility in human vehicles—do not play a significant role in the movement of living things (with the exception of the corkscrew-like flagella of many prokaryotes).

  3. Single-track vehicle - Wikipedia

    en.wikipedia.org/wiki/Single-track_vehicle

    A vehicle is approximately single-track when the axle track is small enough with respect to the center of mass height to require leaning into a turn. Countersteering may or may not be required. [citation needed] the skateboard and all its varieties, such as the snakeboard; the surfboard; the caster board (when the rear wheel closely follows the ...

  4. Left- and right-hand traffic - Wikipedia

    en.wikipedia.org/wiki/Left-_and_right-hand_traffic

    This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. Directionality of traffic flow by jurisdiction Countries by direction of road traffic, c. 2020 Left-hand traffic Right-hand traffic No data Left-hand traffic (LHT) and right-hand traffic (RHT) are the practices, in bidirectional traffic, of keeping to the left side or to the right side ...

  5. Toyota i-REAL - Wikipedia

    en.wikipedia.org/wiki/Toyota_i-REAL

    In High-Speed Mode, the Toyota extends in length by leaning back and extending the single rear wheel to improve aerodynamics and stability, thus being able to achieve a speed of 18.6 mph, or 30 km/h. It leans into corners, like other tall, one-man vehicles such as the Segway , to prevent it from tipping over.

  6. Handcycle - Wikipedia

    en.wikipedia.org/wiki/Handcycle

    This allows the rider to more easily use their torso to help propel the cycle. The entire crank assembly and the front wheel turn together, allowing the rider to steer and crank simultaneously. Some designs use two front wheels and a single rear wheel, while others use lean-steer designs.

  7. Centreless wheel - Wikipedia

    en.wikipedia.org/wiki/Centreless_wheel

    A working prototype of a centreless wheel, using ball bearings, was shown at India Bike Week 2014 in Goa. Attached to a customized Royal Enfield motorcycle, the prototype rear wheel was designed by a team by the name of Freedom Sprints, which included Abhishek Sharma, Ankur Tiwari, Sarvesh Khemka, Yashodeep Yadav, and Mohammed Ansar. [14]

  8. Rear-engine, rear-wheel-drive layout - Wikipedia

    en.wikipedia.org/wiki/Rear-engine,_rear-wheel...

    To compensate for the uneven (35/65) weight distribution caused by the rear-mounted engine, DeLorean used rear wheels with a diameter slightly greater than the front wheels. Before that was the rear-engined Škoda's from Škoda 1000MB (produced from 1964) to Škoda 130/135/136 (produced until 1990) or the Polski Fiat 126p (produced until ...

  9. Two-wheel drive - Wikipedia

    en.wikipedia.org/wiki/Two-wheel_drive

    For four-wheeled vehicles (and by extension, vehicles with six, eight, or more wheels), this term is used to describe vehicles that are able to power at most two wheels, referred to as either front, or rear-wheel-drive. The term 4x2 is also used, to denote four total wheels with two being driven. Most road vehicles use a 2WD layout due to its ...