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Caster angle
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== History == [[Arthur Krebs]] proposed placing the front axle of a car at a positive caster angle in his UK patent of 1896, entitled ''Improvements in mechanically propelled vehicles.'' In it he stated it was intended "To ensure stability of direction by means of a special arrangement of fore-carriage, that is to say, to re-establish automatically the parallelism of the two axles of the vehicle when there is no tendency to keep them in any other direction, or after a temporary effort has caused them to diverge from said parallelism. [...] The axle of the fore-carriage is situated a suitable distance behind the projection of the axis of the pivot-pin in order to ensure the stability of direction above referred to."<ref>[https://worldwide.espacenet.com/patent/search/family/032536216/publication/GB189619774A?q=pn%3DGB189619774A ESPACENET]</ref>
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