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Note that, on a bicycle, as rake angle increases, head angle decreases. Trail can vary as the bike leans or steers. In the case of traditional geometry, trail decreases (and wheelbase increases if measuring distance between ground contact points and not hubs) as the bike leans and steers in the direction of the lean. [17]
Bicycle and motorcycle dynamics is the science of the motion of bicycles and motorcycles and their components, due to the forces acting on them. Dynamics falls under a branch of physics known as classical mechanics. Bike motions of interest include balancing, steering, braking, accelerating, suspension activation, and vibration. The study of ...
Step-by-step GUI for bicycle design. Parametric design for basic geometry, then used to calculate detailed bicycle geometry, including shop drawings for frame tubes cutting. Vector graphics representation of CAD data. Catalog of bicycle parts CAD blocks. Automatic generation of manufacturing 2D plans and documentation.
Some bicycles carry more riders: for example, the Conference Bike carries seven, [12] the Busycle carries fifteen, [13] and party bikes can carry up to 17 people. The largest multi-bike had 40 riders. [citation needed] In most of these types the riders ride one behind the other (referred to as tandem seating). Exceptions are "The Companion", or ...
A bike can negotiate a curve only when the combined center of mass of bike and rider leans toward the inside of the turn at an angle appropriate for the velocity and the radius of the turn: θ = arctan ( v 2 g r ) {\displaystyle \theta =\arctan \left({\frac {v^{2}}{gr}}\right)}
The 'diamond' frame's central, horizontal top bar forces the rider to swing a leg over the bicycle's seat. A Triumph step-through, ladies', or open frame Dursley Pedersen bicycle circa 1910 A penny-farthing photographed in the Škoda Auto Museum in the Czech Republic A Brompton folding bicycle Bicycle in Victorian Plymouth, England, with a predecessor of the Starley diamond-frame A cantilever ...
Dutch roundabout. CROW Design Manual for Bicycle Traffic is a publication on bicycle transportation planning and engineering in the Netherlands.It is published by CROW, a non-profit agency advising Directorate-General for Public Works and Water Management formerly Ministry of Transport and Water Management (Netherlands).
Bicycle performance is measurable performance such as energy efficiency that affect how effective a bicycle is. Bicycles are extraordinarily efficient machines; in terms of the amount of energy a person must expend to travel a given distance, cycling is calculated to be the most efficient self-powered means of transportation .