Biclycle – a Life Saver?

admin — Tue, 23 Feb 2010 18:35:13 +0000

A bicycle is a human supercharged vehicle that has a frame tied with two wheels and that is
driven by a pedal. presented during the 19th centuries bicycles are known to outdo the
total number of motor vehicles by a ratio of 2 to 1. Bicycles being the main method of transport in many corners of the earth, the bicycle is also majorly used for other recreational activities and for the purpose of fitness and even in the case of law enforcement actions such as petrolling an area.

Bicycles and Its Story

Since the inception of the chain-driven model in around 1885, the key design and the shape of a
typical bicycle has remained relatively unchanged. Nevertheless, the usage of modern material and design 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.

What to Look for In a Bicycle

Dynamics
of the bicycle is something that should be mentioned to first. Bicycle needs its centre of gravity in order to be in its space. So it accomplishes this by moving forward
using the steering which offers some balance to the rider. Additionally, in order to navigate successfully the body of the rider must balance out the dynamics,
especially at turns. Counter-steering is a task that is used in this regard.

Through both biological and mechanical view points, the bicycle is an highly
competent machine. When
comparing the energy an individual must spend to travel a given distance, the bicycle is stated to be the most efficiently
operating self powered method of transportation. Nearly, 99% of the energy is transferred to the wheels of the bicycle when a
rider exerts energy into the pedals. Nevertheless when gears mechanisms are used this figure may drop by 10-15%.A rider using a bicycle
feels air drag or the resistive force that is exerted by air. At higher speeds, significantly greater power outputs are needed to overcome the air drag. When a rider is sitting in an upright position, the
body of the rider accounts for nearly 75% of the full drag experienced by the bicycle and rider combined. Nonetheless, the exerted drag can be significantly
reduced by placing the rider in a supine or a prone position and by covering the bicycle with fairing that is aerodynamic.

The main
features of a bicycle are frame, steering mechanisms, seating, drivetrain, suspension, wheels and brakes. Some
bicycles use optional mechanisms to get advantage for the dynamics of the bicycle. Using gears a rider can produce a higher power output with a relatively low
power input and thus, crescendo the efficiency of the bicycle.

Riding Techniques

admin — Thu, 07 May 2009 01:45:17 +0000

By Ed Pavelka of www.RoadBikeRider.com

Riding Techniques

The rule is simple: Don’t sit statically in one place for more than a few minutes. When you keep moving on the saddle, as well as on and off the saddle, you avoid constant pressure and compression. Blood keeps circulating, nerve transmissions keep flowing, and the risk of numbness is greatly reduced.

This is pretty easy to do off-road, where terrain changes and body English keep your crotch from locking into a set position. It’s harder on a road bike unless you cultivate some good habits.

For example, get out of the saddle for at least part of every hill. Stand when exiting every turn or any other time you need to accelerate. Even just a few seconds is helpful when repeated often. On a ride in flat terrain, shift to a higher gear so you can stand and pedal out of the saddle for at least 30 seconds every 20 minutes. When sitting, keep your butt far enough back for your sit bones to be supported by the seat’s wide rear section. Beware of the tendency to creep forward onto the nose and dwell there, especially when pushing hard or riding in a low position.

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Content Fountain » Bike Wheels

Biclycle – a Life Saver?

Bicycles and Its Story

What to Look for In a Bicycle

Riding Techniques