Cycling Science: How Rider and Machine Work Together by Max Glaskin

By Max Glaskin

Every July thousands flock to the Champs-Élysées in Paris—and thousands extra to their televisions and computers—to witness the dramatic end of the grueling 3 weeks of the journey de France. there's no larger degree of the global love of the bicycle. yet of the 1.2 billion cyclists traversing the world’s roadways and trails, few folks make the effort to contemplate the technology in the back of the game. the straightforward strategy of getting approximately on wheels brings us involved with a wealth of interesting technology, and right here journalist Max Glaskin investigates the clinical wonders that continue cyclists of their saddles.

 

Cycling Science excursions readers via a large choice of issues, from tire rolling resistance and the variation among yield energy and supreme energy, to the significance of aerodynamics and the impression that shaved legs have on velocity. every one bankruptcy explores a distinct subject—fundamentals, energy and balance, fabrics, strength, aerodynamics, and the human factor—and is geared up round a chain of questions: what's the perfect body form? what's the largest resource of drag? What retains a bicycle from falling over? How a lot energy can a bicycle owner produce? Which muscle mass does biking use? each one query is tested simply by explanatory diagrams and illustrations, and the booklet can be utilized to look for specific subject matters, or learn via for a complete evaluate of ways laptop and rider paintings together.

 

Athletes have a lot to realize from realizing the technological know-how in their activities, and Cycling technology will be a must-read for cyclists of all stripes—professionals, leisure riders, and a person looking to improve their delight in cycling.

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Aluminum has a low melting point so it is easily welded, and an inert gas is used to shield it from potential contamination by gases in the air. For this process, gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG) welding, is used. Welding can reduce the strength of aluminum by 80 percent but this weakening can be reversed by heat treating the frame. Titanium especially needs a shield of inert gas to prevent oxygen, nitrogen, and hydrogen from diffusing into the hot alloy and making it brittle.

The separable frame and folding handlebars were released with wing nuts. 64 Strength and Stability o Brompton o Strida (1987) prototype (1975) The simplified steel frame permits an unusually swift folding action that produces an extremely compact portable package. With just three aluminum frame tubes and very small wheels, this folder keeps weight to a minimum. Ride quality and handling are traded for simple and compact folding o Montague Paratrooper (1999) The civilian version of the full-sized stealth folding mountain bike commissioned by the Department of Defense.

A material becomes a gas when the kinetic energy of its molecules (which depends on temperature) is sufficient to overcome the attractive forces between them. What’s more, when you push the piston in the pump, you give some of your own kinetic energy—through the moving piston— to the gas molecules in the pump. Using a simple model of a gas as tiny elastic spheres in random motion, one can show that its temperature is proportional to the average kinetic energy of those molecules: the faster they’re moving, the warmer the gas.

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