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Bicycle and motorcycle geometry is the collection of key measurements (lengths and angles) that define a particular bike configuration. Primary among these are wheelbase , steering axis angle, fork offset, and trail.
where φ is the ideal lean angle, and h is the height of the center of mass. [9] For example, a motorcycle with a 12 inch wide rear tire will have t = 6 inches. If the combined bike and rider center of mass is at a height of 26 inches, then a 25° lean must be increased by 7.28°: a nearly 30% increase.
The motion ratio of a mechanism is the ratio of the displacement of the point of interest to that of another point.. The most common example is in a vehicle's suspension, where it is used to describe the displacement and forces in the springs and shock absorbers.
Motorcycle rider on his Rudge-Whitworth motorbike, Australia, c. 1935. By 1920, Harley-Davidson was the largest manufacturer, [31] with their motorcycles being sold by dealers in 67 countries. [32] [33] Amongst many British motorcycle manufacturers, Chater-Lea with its twin-cylinder models followed by its large singles in the 1920s stood out.
With power typically being the product of force and speed, a motorcycle's power and torque ratings will be highly indicative of its performance. Reported numbers for power and torque may however vary from one source to another due to inconsistencies in how testing equipment is calibrated, the method of using that equipment, the conditions during the test, and particularly the location that ...
Kawasaki selected the literbike platform for its top-of-the-line Ninja H2 model, rather than continuing with the higher-displacement Ninja ZX-14 hyperbike. Cycle World's Kevin Cameron explained that the literbike class is "the center of the high-performance market", attracting the best development in racing, with the best chassis and suspension design, so it made sense for Kawasaki to create a ...
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One complete cycle of a four-cylinder, four-stroke engine.The volume displaced is marked in orange. Engine displacement is the measure of the cylinder volume swept by all of the pistons of a piston engine, excluding the combustion chambers. [1]