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A tubeless tire (also spelled as tubeless tyre in Commonwealth English) is a pneumatic tire that does not require a separate inner tube.. Unlike pneumatic tires which use a separate inner tube, tubeless tires have continuous ribs molded integrally into the bead of the tire that are forced by air pressure into a flange on the metal rim of the wheel, sealing the tire to the rim.
For low inflation pressures, this distinction is more important, as the ideal gas law applies to absolute pressure, including atmospheric pressure. For example, if a fat-bike tire is inflated to 0.5 bar (50 kPa; 7.3 psi) gauge pressure at room temperature 20 °C (68 °F) and then the temperature is decreased to −10 °C (14 °F) (a 9% decrease ...
One of the first gas motor-assisted bicycle designs was the Millet motorcycle developed by Félix Millet in France in 1892. [7] Millet's designs had both pedals and a fixed-crankshaft radial engine built into the back wheel. In 1896, E. R. Thomas of Buffalo, New York, began selling gasoline engine kits for propelling ordinary bicycles.
RTV silicone (room-temperature-vulcanizing silicone) is a type of silicone rubber that cures at room temperature. It is available as a one-component product, or mixed from two components (a base and curative).
[10] In addition to military aircraft, some military vehicles feature self-sealing fuel tanks, such as the United States Marine Corps' LAV-AT armored vehicles. [11] A notable example of a non-military vehicle that uses self-sealing fuel tanks is the U.S. presidential state car, having used them since John F. Kennedy's SS-100-X. [12] [13]
A track bicycle or track bike is a form of fixed-gear bicycle optimized for racing at a velodrome or at an outdoor track. Some road racing and club cyclists use a fixed-gear bicycle for training during the winter months, generally using a relatively low gear ratio, believed to help develop a good pedalling style. [5]
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