Being one of the most basic human supercharged vehicles, the bicycle has two wheels tied to a vehicle that
is driven by a pedal. Bicycles were first introduced in the 19th century and it is asked that currently there are approximately about
one billion bicycles worldwide, outnumbering autos 2 to 1. In many parts of the globe, bicycles are the main method of carry. Although
the primary use of the bicycle is as a means of transport, it has developed other uses including recreational actions, fitness actions
law enforcement applications and competitive sports.
History of Bicycles
Since the origin of the chain-driven model in around 1885, the fundamental pattern and the shape of a
typical bicycle has remained relatively unchanged. Nonetheless, the usage of modern material and innovation methods
such as computer-aided design has improved the many aspects of the bicycle. These methods have greatly aided the spawn of
specified bicycles for particular purposes such as racing, utility and law enforcement uses. Additionally, the concept of the bicycle has up to a great extent extended its contribution for the development of automobiles by introducing concepts such as ball bearings, pneumatic tires and spoke tensioned wheels.
Things to Look in a Bicycle
Dynamics
of the bicycle is something that should be referred to first. A bicycle has to maintain its center of gravity over the wheels in order to stay upright or balanced.
Therefore, it reaches this by the moving forward using the steering which is commonly provided by the rider
and sometimes even by the bicycle itself. In addition in order to successfully navigate a turn, the combined or full center of mass
of both the bicycle and the rider must lean into the turn. Counter-steering is a task that is used in this regard.
Through both biological and mechanical view points, the bicycle is an extremely
streamlined machine. Energy needed from the rider for the bicycle to execute its
wonders are high on the list but given the distance that a bicycle can take you through without fuel, it becomes a
precious journey at the end. Nearly, 99% of the energy is expressed to the wheels of the bicycle when a
rider exerts energy into the pedals. However when gears mechanics are used this figure may drop by 10-15%.A rider using a bicycle
experiences air drag or the resistive force that is exerted by air. When the speed is high, a lot of energy will be needed
to overcome this airdrag resulting in an exhaustive ride for the rider. The only way to reduce the air drag is to significantly reduce the position to supine or prone that is in line with aerodynamics.
The main
features of a bicycle are frame, steering mechanics, seating, drivetrain, suspension, wheels and brakes. Certain bicycles may include optional
mechanics such as gearing which uses several sizes of gears to obtain a mechanical advantage from the bicycle. Using gears a rider can produce a higher power output with a relatively low
power input and thus, increasing the efficiency of the bicycle.