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[7] the Butler Petrol Cycle (first recorded use of the term) [7] It was a three-wheeled vehicle, with the rear wheel directly driven by a 5 / 8 hp (466W) 600 cc (40 in 3; 2¼×5-inch {57×127-mm}) [7] flat twin four stroke engine (with magneto ignition replaced by coil and battery), [7] equipped with rotary valves and a float-fed carburettor ...
The Roper steam velocipede was a steam-powered velocipede built by inventor Sylvester H. Roper of Roxbury, Boston, Massachusetts, United States sometime from 1867 to 1869.It is one of three machines which have been called the first motorcycle, [1] along with the Michaux-Perreaux steam velocipede, also dated 1867–1869, and the 1885 Daimler Reitwagen.
Sylvester Howard Roper (November 24, 1823 – June 1, 1896) [1] [2] was an American inventor and a pioneering builder of early automobiles and motorcycles from Boston, Massachusetts. In 1863 he built a steam carriage, one of the earliest automobiles .
Perreaux's multi-charge gun. Perreaux moved to Paris, where he began working on and patenting a range of inventions including a multi-chambered gun, a lock mechanism in 1841, a circular power saw in 1843 [3] and scientific instruments such as the Perreaux Dividing Machine, invented in 1846, which could precisely calibrate the divisions on a glass thermometer using a screw driven micrometer ...
The Butler Petrol Cycle was a three-wheeled vehicle, with the rear wheel directly driven by a 5 ⁄ 8 hp (0.47 kW), 40 cc (2.4 cu in) displacement, 2 + 1 ⁄ 4 in × 5 in (57 mm × 127 mm) bore × stroke, flat twin four-stroke engine (with magneto ignition replaced by coil and battery) equipped with rotary valves and a float-fed carburettor ...
The Springfield History Museum's latest exhibit highlights the people and history of early motorcycle culture in the early 1900s.
Edward Butler (1862–1940) was an English inventor who produced an early three-wheeled petrol automobile called the Butler Petrol Cycle in 1888, which is accepted by many as the first British car. Butler first showed plans for a three-wheeled petrol vehicle at the Stanley Cycle Show in London in 1884, and again at the 1885 Inventions ...
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.