Saturday, May 29, 2010

BICYCLE HISTORY

Bicycle ancestors came from France in1790 (about 18th century), namely, two-wheeled transportation called velocipede known in that country.The construction still very simple, because not using the iron, the material is still wood, and not use the wheel.
Baron von Drais Karls Sauerbronn a student of mathematics and mechanics in Heidelberg, Germany managed to make a important breakthrough .By Von Drais be modified to have a steering mechanism on the front wheels. By taking the energy of motion of both legs, Von Drais able to glide faster time around the garden. He himself calls this vehicle with the name, Draisienne. The story itself was published in local newspapers of Germany in 1817.
Modern bicycle was initiated in 1839, by a citizen named Kirkpatrick MacMillan of Scotland. While perfecting bicycle do by Ernest Michaux, the French in 1855, by making crank weights. Perfection of the modern bicycle is further reinforced again by a French citizen who was also named Pierre Lalle ment in 1865, where he strengthened the wheel by using a ring of steel around it (a rim or wheel). Lellement also introducing a bike with the front wheel bigger than the rear wheels.
But no less important discoveries made John Boyd Dunlop in 1888. Dunlop motorcycle tires managed to find technology that can be filled with air (pneumatic tire). From here, the beginning of the rapid progress of the bike. Various forms of bicycles successfully created.

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