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Sir Hiram Stevens Maxim (ur. 5 lutego 1840 w Sangerville w stanie Maine, zm. 24 listopada 1916 w Londynie) – wynalazca i przedsiębiorca amerykańskiego pochodzenia, w 1880 roku wyemigrował do Zjednoczonego Królestwa Wielkiej Brytanii i Irlandii. Za swe dokonania wyróżniony w 1901 roku tytułem szlacheckim przez królową Wiktorię.
Sir Hiram Stevens Maxim (5 February 1840 – 24 November 1916) was an American-born British inventor best known as the creator of the first automatic machine gun, the Maxim gun. [1] Maxim held patents on numerous mechanical devices such as hair-curling irons, a mousetrap, and steam pumps.
Maxim's flying machine. Sir Hiram Maxim was an American who moved to England and adopted English nationality. He chose to largely ignore his contemporaries and built his own whirling arm rig and wind tunnel.
In 1894, Maxim built an airship to study the lift and thrust of various wing shapes and propellers, but did not develop a method on controlling the craft. However, he did use an incredibly heavy, steam-propelled machine, proving that mechanical flight with heavy machinery was possible.
1894: Sir Hiram Stevens Maxim (inventor of the Maxim Gun) built and tested a large rail-mounted, steam-powered aircraft testbed, with a mass of 3.5 long tons (3.6 t) and a wingspan of 110 feet (34 m) in order to measure the lift produced by different wing configurations.
Hiram Maxim made a fortune from his invention of the Maxim machine gun and he used a good bit of that fortune to explore heavier-than-air flight. Maxim began his aerial experiments at Baldwyns Park, England, in the Mid 1880's which lead to the construction of his enormous biplane.
Maxim was convinced that propulsion was the central problem in aviation and built a lightweight steam engine that developed 180-horsepower. He mounted two of these on a huge multi-wing airplane and tested it on a track.