Kégresse track
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A Kégresse track is a kind of rubber or canvas continuous track which uses a flexible belt rather than interlocking metal segments. It can be fitted to a conventional car or truck to turn it into a half-track, suitable for use over rough or soft ground. Conventional front wheels and steering are used, although skis may also be fitted. A snowmobile is a smaller ski-only type.
"Russo-Balt" "C24-30" from the garage of Tsar Nicholas II with Kégresse track design of Adolphe Kégresse. Adolphe Kégresse possibly seated on the right of the photograph
Tsar Nicholas II Car Garages, Pushkin, Saint Petersburg where Kegresse was Head of the Mechanical Department
Bas-relief image of a car race, Tsar Nicholas II Car Garages, Pushkin, Saint Petersburg
Former Tsar Nicholas II Car Garages, Pushkin, Saint Petersburg in July 2017
M2 half-track car
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The M2 half-track car was an armored half-track produced by the United States during World War II. Its design drew upon half-tracks imported from France in the 1930s, employing standard components supplied by U.S. truck manufacturers to speed production and reduce costs. The concept was designed, and the pilot models manufactured by the Firestone Tire and Rubber Company Production by the White Motor Company began in 1940 and was expanded to include Autocar.
US
M2 at Fort Benning, Georgia, 1942. Note the shorter hull compared to the M3s (left and background) and hinged doors of ammunition compartments in the side armor.
Partly finished M2s travel along an assembly line.