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Hamilton Standard was an American aircraft propeller parts supplier. It was formed in 1929 when United Aircraft and Transport Corporation consolidated Hamilton Aero Manufacturing and Standard Steel Propeller into the Hamilton Standard Propeller Corporation.
In 1929, Caldwell transitioned from the US Army Air Service to the Hamilton Standard Propeller Corporation where he further developed the controllable-pitch propeller. The controllable-pitch or variable-pitch propeller tied together the major aeronautical advances of aerodynamic drag reduction and increased engine power.
In June 1997, it was announced that H+S Aviation had launched a new venture, H+S Proptech, to repair and overhaul propellers of various manufacturers, including Hamilton Standard, McCauley, Hartzell and Dowty. [7] That same year, it decided to discontinue all overhaul and repair activities on piston engines. [1]
The National Transportation Safety Board (NTSB) criticized Hamilton Standard, which had maintained the propellers, for "inadequate and ineffective corporate inspection and repair techniques, training, documentation, and communication", and both Hamilton and the Federal Aviation Administration for "failure to require recurrent on-wing ultrasonic ...
McCauley owns 55 patents and with Caldwell holds multiple joint patents on propeller innovations. [6] [7] The hydro-controllable propeller was the first to use engine oil for pitch adjustments, and he sold this patent to Hamilton Standard Propeller Corporation in 1929, joining Hamilton to further improve propellers. [6]
Hamilton Sundstrand was an American globally active corporation that manufactured and supported aerospace and industrial products for worldwide markets. A subsidiary of United Technologies Corporation, it was headquartered in Windsor Locks, Connecticut. The company was formed from the merger of Hamilton Standard and Sundstrand Corporation in 1999
Thomas Foster Hamilton (July 28, 1894 – August 12, 1969) was a pioneering aviator and the founder of the Hamilton Standard Company. [1]Since 1930, Hamilton Standard (now Hamilton Sundstrand) was involved with revolutionizing the propulsion technology of propeller-driven aircraft, prior to World War II.
New Hamilton Standard or Curtiss Electric propellers were offered. This new version of the L-1049 with over 100 modifications from the L-1049C was unveiled as the L-1049G (the L-1049F being already used for the military C-121C). Over 100 L-1049G aircraft were ordered by sixteen airlines.