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The formula specifies that a cyclekart is a one-seat car using Honda 17 × 1.75 or 2 inch (432 × 44 or 51 mm) rims, 17 × 2.50 (432 × 64 mm) tires, a 38-inch (965 mm) track, wheelbase as close to 66 inches (1676 mm) as the aesthetics of the car will allow, weight no more than 250 lbs (113 kg), and powered by a 200 cc class, single cylinder, 6 ...
The Mercedes-Benz W125 was a Grand Prix racing car produced by German auto manufacturer Mercedes-Benz to race during the 1937 Grand Prix season.Designed by head designer Rudolf Uhlenhaut, the car was used by Rudolf Caracciola to win the 1937 European Championship and W125 drivers also finished in the second, third and fourth positions in the championship.
The MZ two-stroke engines, developed by engineer Walter Kaaden, have influenced motorcycle racing for decades. His 1961 125 cc race engine design was the first to achieve an output of 200 bhp (150 kW) per litre. [3] His revolutionary two-stroke system was copied widely in the 1960s by Japanese manufacturers.
A 1955 Model B "Hummer" at the Harley-Davidson Museum. The Hummer was added to Harley-Davidson's model line in 1955. It was a stripped-down basic model using a redesigned "B-model" engine with the old 125 cc capacity. It was named after Dean Hummer, a Harley dealer in Omaha, Nebraska who led national Harley two-stroke sales. [2]
The engines are from 1-cylindered production motorcycles and mx motorcycles. 85 up to 250 cc are two stroke engines while 650 class goes with 4-stroke. From 2022 4-stroke 250cc engine is allowed in 125 class (swe class 2) and 450cc 4-stroke in 250cc class (swe class 3). [1] In the mini class the boys and girls from age of 6 years can compete.
The model number breaks down as follows: W : the W family of motorcycles. Harley-Davidson (except in very early models) gives a letter designation for each model family. The W series at the time was the newest incarnation of the 45-cubic-inch (740 cm 3) flathead motor, and was developed from the earlier R family 1932–1936.
The Servi-Cycle was claimed to have a fuel economy of 100 mpg ‑US (120 mpg ‑imp; 2.4 L/100 km). [11] The Servi-Cycle used a magneto of Simplex's own design, providing 6 volt electricity for the dual ignition and for the headlight, taillight and stoplight. The engine had dual spark plugs in its cylinder head. [7]
Rudolf Caracciola's record of 432.7 km/h (268.9 mph) over the flying kilometre on 28 January 1938, remained the fastest ever officially timed speed on a public road until broken on 5 November 2017 by Koenigsegg in an Agera RS driven by Niklas Lilja, achieving 447.2 km/h (277.9 mph) on a closed highway in Nevada.It also was the fastest speed ever recorded in Germany until Rico Anthes bested it ...