Posted: Tue Nov 16, 2010 8:41 am Post subject: Nicolas-Joseph
Nicolas-Joseph Cugnot is often credited with building the first self-propelled mechanical vehicle or automobile in about 1769, by adapting an existing horse-drawn vehicle. However, this claim is disputed by some who doubt Cugnot's three-wheeler ever ran or was stable.[citation needed] In 1801, Richard Trevithick built and demonstrated his Puffing Devil road locomotive, believed by many to be the first demonstration of a steam-powered road vehicle. It was unable to maintain sufficient steam pressure for long periods, and was of little practical use.
In the 1780s, a Russian inventor of merchant origin, Ivan Kulibin, developed a human-pedalled, three-wheeled carriage with modern features such as a flywheel, brake, Transmission, and bearings; however, it was not developed further.[11]
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