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Increasing the rotational inertia of the front wheel by increasing the speed of the vehicle and the rotational speed of the wheel will tend to counter the wheel flop effect. A certain amount of wheel flop is generally considered to be desirable. Bicycle Quarterly magazine states, "A bike with too little wheel flop will be sluggish in its ...
For a sample motorcycle moving at 22 m/s (50 mph) that has a front wheel with a moment of inertia of 0.6 kg·m 2, turning the front wheel one degree in half a second generates a roll moment of 3.5 N·m. In comparison, the lateral force on the front tire as it tracks out from under the motorcycle reaches a maximum of 50 N.
For a sample motorcycle moving at 22 m/s (50 mph) that has a front wheel with a moment of inertia of 0.6 kgm 2, turning the front wheel one degree in half a second generates a roll moment of 3.5 Nm. In comparison, the lateral force on the front tire as it tracks out from under the motorcycle reaches a maximum of 50 N.
This article should really be called bicycle and motorcycle steering geometry. The "geometry" of a bicycle also refers to the length of its various tubes, which is of more concern for ergonomic fit than for its effect on handling characteristics. -- pde 23:30, 13 December 2006 (UTC) Those other parameters could certainly be added.
The forces involved in accelerating a motorcycle. Left: a chain or belt drive. Right: a shaft drive. The shaft effect, also known as elevator effect or shaft jacking, is a phenomenon occurring in shaft-drive motorcycles. This effect occurs because the acceleration being applied to the rear wheel creates a reactive force on the drive shaft.
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.
The UK practical motorcycle tests consist of a practical test of two modules. To first ride on the road, a candidate must complete Compulsory Basic Training, [1] however, there is no test. To pass the practical motorcycle test candidates need to pass its two separate modules within two years of passing their motorcycle theory test.
Most hub-center arrangements employ a swingarm that extends from the bottom of the engine/frame to the center of the front wheel. Hub steering mechanisms are complex and have a number of theoretical advantages, but in practice often provide an inconsistent driving feel due to slack arising from the complex linkages.
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