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...[railway]] design that relates the downward force exerted by a [[train]]'s wheels upon the rail, with the lateral force of the wheel's flange against the fac [[Category:Train wheels]] ...

...2009 Motor Vehicle Dimensions</ref> This definition is contingent upon the wheels being in continuous contact with the supporting surface(s). Breakover angle ...

...on]]. Although the initial angle <math>\theta_0</math> differs between the wheels by only 1 degree, the trajectories of the plotted centers of mass diverge e ...|trajectories]] of the [[Center of mass|centers of mass]] of the above two wheels, left and right respectively, after the same extended period of time. In ea ...

...e Hagelin pin wheels to provide variable stepping of the rotors. All three wheels stepped once with each encipherment. Rotors stepped according to normal Eni ...do not control their own movement: this is done through 3 independent pin-wheels N1 N2 and N3 with periods 21,23 and 25. The figures were distributed among ...

...eels was derived, and thirdly that the starting positions of the scrambler wheels for this message—the [[Key (cryptography)|message key]]—was established.<re ...:SZ42-6-wheels-lightened.jpg|300px|thumbnail|The Lorenz SZ machines had 12 wheels each with a different number of cams (or "pins")]] ...

[[File:Boule01.jpg|thumb|300px|The pockets of many ''Boule'' wheels are decorated with horses recalling the ''Petits chevaux''.]] ''Petits Chevaux'' was the predecessor of Boule. The pockets of many Boule wheels are decorated with pictures of horses in commemoration of ''Petits Chevaux' ...

...echnického muzea v Brně (24).jpg|thumb|Steam traction engine, with straked wheels, constructed of riveted steel]] ...into rubber tractor tire treads are known as lugs, as are cleats for round wheels,{{Citation needed|date=October 2015}} which perform a similar function. Unl ...

...considering almost all non-prime numbers by building progressively larger wheels, which represent the pattern of numbers not divisible by any of the primes ...mines a subset of the range consisting of numbers that occur on successive wheels, which represent the pattern of numbers left after each successive prime is ...

# "[[The Wheels on the Bus]]" ...

...off the ground due to sufficient torque being applied to the rear wheel or wheels,<ref>Investigation of the influences of tyre–road friction and engine power :1. Wheelies in which the vehicle is [[Rear-wheel drive|driven by the rear wheels]], and power is sufficient by itself as described in the [[#Physics|Physics ...

...SO 9352:2012 - Plastics -- Determination of resistance to wear by abrasive wheels|website=www.ISO.org|access-date=18 May 2017}}</ref> ...IS K 7204:1999 Plastics -- Determination of resistance to wear by abrasive wheels|website=www.webstore.JSA.or.jp|access-date=18 May 2017}}</ref> ...

The ''load'' on the road from one axle (2 wheels) is 10 times greater for a truck than for a car. However, the fourth power ...

...air brake]]. It acted on both sides of the coupled wheelsets. The running wheels in the bogie were unbraked. ...

...06/> the minimum OHR (with no bodywork projecting beyond the front or rear wheels) is approximately 20%.<!--Let D=diameter of the wheel and tyre. Then for wh In contrast, the excellent handling of the Mini, with its wheels pushed far out at each corner, can be partly credited to its small overhang ...

...ne cryptography science. His technique was to adapt the use of Hagelin pin wheels to provide for irregular wheel motion in cryptographic machinery.<ref name= ...ch encipherment with the cycle extended by the use of different ''length'' wheels. For the Enigma, motion was of the [[odometer]]-type, with the only variati ...

}}</ref> Narrow-track vehicles can roll on wheels, slide, float, or [[planing (sailing)|hydroplane]]. The narrow profile can ...

...ficient. To overcome this, magnetorquer are often combined with [[reaction wheels]]. ...

...sliding from the tracks. The [[Reaction (physics)|reaction]] force on the wheels result in sliding friction.]] ...ehicle laterally against the rail causing [[sliding friction]] between the wheels and the rails.<ref>{{Cite book |last=Wende |first=Dietrich |title=Fahrdynam ...

...s Delagarde]]'s new air-cooled two-cylinder boxer engine driving the front wheels.<ref name="dcdex">{{cite web|url=http://www.panhard-club.de/panhard/x.php|t ...6|url-status=dead}}</ref> The engine was front-mounted and drove the front wheels through a four-speed manual transaxle. Suspension was independent on all fo ...

...points separated by some angle, so that regardless of the position of the wheels when the engine starts, at least one connecting rod will be able to exert t ...