Motorcycle history begins in the second half of the 19th century. Motorcycles are descended from the "safety bicycle," a bicycle with front and rear wheels of the same size and a pedal crank mechanism to drive the rear wheel. Those bicycles, in turn were descended from high-wheel bicycles. The high-wheelers were descended from an early type of push-bike, without pedals, propelled by the rider's feet pushing against the ground. These appeared around 1800, used iron-banded wagon wheels, and were called "bone-crushers," both for their jarring ride, and their tendency to toss their riders.
Despite some early landmarks
in its development, motorcycles lack a rigid pedigree that can be traced back to a single idea or machine. Instead, the idea seems to have occurred to numerous engineers and inv
entors around Europe more-or-less simultaneously
The motorcycle had one wheel in the front and one in the back, although it had a smaller
spring-loaded outrigger wheel on each side. It
was constructed mostly of wood, with the wheels being of the iron-banded wooden-spoked wagon-type, definitely a "bone-crusher" chassis. It was indeed powered by a single-cylinder Otto-cycle engine, and may have had a spray-type carburetor. (Daimler's assistant, Wilhelm Maybach was working on the invention of the spray carburetor at the time).
If one counts two wheels with steam propulsion as being a motorcycle, then the first one may have been American. One such machine was demonstrated at fairs and circuses in the eastern US in 1867, built by one Sylvester Howard Roper of Roxbury, Massachusetts. There is an existing example of a Roper machine, dated 1869. It's powered by a charcoal-fired two-cylinder engine, whose connecting rods directly drive a crank on the rear wheel. This machine predates the invention of the safety bicycle by many years, so its chassis is also based on the "boneshaker" bike.
In 1868, the French engineer Louis-Guillaume Perreaux patented a similar steam-powered vehicle, which was probably invented independent of Roper's. In this case, although a patent exists that is dated 1868, nothing indicates the invention had been operable before 1871.
Nevertheless, these steam-powered vehicles were invented prior to the first petroleum-powered motorcycle.
In the decade from the late 1880s, dozens of designs and machines emerged, particularly in France, Germany and England, and soon spread to America. During this early period of motorcycle history, there were many manufacturers since bicycle makers were adapting their designs for the new internal combustion engine
The first really successful production two-wheeler though, was the Hildebrand & Wolfmueller, patented in Munich in 1894. It had a step-through frame, with its fuel tank mounted on the downtube. The engine was a parallel-twin, mounted low on the frame, with its cylinders going fore-and-aft. The connecting rods connected directly to a crank on the rear axle, and instead of using heavy flywheels for energy storage between cylinder-firing, it used a pair of stout elastic bands, one on each side outboard of the cylinders, to help out on the compression strokes. It was water-cooled, and had a water tank/radiator built into the top of the rear fender.
Hildebrand & Wolfmueller became the first motorcycle available to the public for purchase. However, only a few hundred examples of this motorcycle were ever built. Soon, as the engines became more powerful and designs outgrew the bicycle origins, the number of motorcycle-oriented producers increased.
In 1895, the French firm of DeDion-Buton built an engine that was to make the mass production and common use of motorcycles possible. It was a small, light, high revving four-stroke single, and used battery-and-coil ignition, doing away with the troublesome hot-tube. Bore and stroke figures of 50mm by 70mm gave a displacement of 138cc. A total loss lubrication system was employed to drip oil into the crankcase through a metering valve, which then sloshed around to lubricate and cool components before dumping it on the ground via a breather. DeDion-Buton used this 1/2 horsepower powerplant in roadgoing trikes, but the engine was copied and used by everybody, including Indian and Harley-Davidson in the U.S.
This is very informative. I can remember how my professor back in College relates the simplicity of bicycles to how it improved with engine and thus called motorcycle. Now, I wonder if the motorcycle engine can be comparable to that of a car. Does it have some hoffman vents or hoffman traps for combustion? Well, that makes me think!
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