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A motorcycle fork is the portion of a motorcycle that holds the front wheel and allows one to steer. For handling, the front fork is the most critical part of a motorcycle. The combination of rake and trail determines how stable the motorcycle is. The 'fork' on a motorcycle consists of multiple components.
The basic motorcycle swingarm is a quadrilateral, with one short side connected to the motorcycle's frame with bearings so that it can pivot. [14] The other short side is the rear axle around which the rear wheel turns. The long sides are connected to the motorcycle's frame or rear sub-frame with one or two shocks with coil-over springs.
A rear motorcycle tyre for street use. A motorcycle tyre (spelt tire in American English) is the outer part of motorcycle wheel, attached to the rim, providing traction, resisting wear, absorbing surface irregularities, and allowing the motorcycle to turn via countersteering.
To deal with the heat issue, Harley reduced the exhaust gas temperature by 100°F (55.6 C) by introducing a better water cooling solution, and also relocated the hot catalytic converters further from the cockpit, allowing for a more comfortable ride. Finally, Harley looked at the vibration issues and decided to reduce the vibrations by 75%, to ...
One documented example of someone successfully riding a rear-wheel steering bicycle is that of L. H. Laiterman at Massachusetts Institute of Technology, on a specially designed recumbent bike. [28] The difficulty is that turning left, accomplished by turning the rear wheel to the right, initially moves the center of mass to the right, and vice ...
is the noise temperature (K, kelvin) Thus the noise temperature is proportional to the power spectral density of the noise, /. That is the power that would be absorbed from the component or source by a matched load. Noise temperature is generally a function of frequency, unlike that of an ideal resistor which is simply equal to the actual ...
The power of the engine alone, often called crankshaft power, or power at the crankshaft, will be significantly greater than the power measured at the rear wheel. The amount of power lost due to friction in the transmission (primary drive, gearbox and final drive) depends on the details of the design and construction. Generalizing, a chain ...
The risk of skidding increases if the motorcyclist is braking or changing direction. This is due to the fact that most of the braking and steering control are through the front wheel, while power is delivered through the rear wheel. [50] During maintenance, the choice of material can be inadequate for motorcycles.