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Various ejection seats. In aircraft, an ejection seat or ejector seat is a system designed to rescue the pilot or other crew of an aircraft (usually military) in an emergency. . In most designs, the seat is propelled out of the aircraft by an explosive charge or rocket motor, carrying the pilot with
Inventor of the ejector seat and founder of the Martin ... Martin's contribution to engineering was commemorated by the Northern Bank in its Inventor series of ...
The Martin-Baker Mk.1 is a British ejection seat designed and built by Martin-Baker. Developed in the late 1940s it was the first in the line of production Martin-Baker seats for military aircraft. Ground and air testing of earlier designs resulted in the first successful test ejection of a company employee in July 1946.
As the seat moves further up and out of the aircraft the rocket pack is fired by a telescopic static rod attached to the main gun which remains attached to the aircraft after the ejection seat separates. A steel rod, known as the drogue gun, is fired and extracts two small parachutes to stabilise the seat's descent path.
Anastase Dragomir (1896–1966) was a distinguished Romanian inventor, most famous for his "catapultable cockpit" patent (with Tănase Dobrescu) as an early form of ejection seat, although preceded by Everard Calthrop's 1916 compressed air ejection seat, and others.
The first use of an ejection seat in a practical application by a British pilot involved the Armstrong Whitworth A.W.52 flying wing experimental aircraft in May 1949. Martin-Baker was a pioneer in expanding the operational envelope of the ejection seat to enable it to be used at low altitudes and airspeeds, leading eventually to development of ...
Sudocrem invented by Dublin pharmacist Thomas Smith. 1932: Disintegration of an atomic nucleus by artificially accelerated protons (splitting the atom) discovered by Ernest Walton. [53] 1946: Ejection seat – first live test of a reliable, successful modern ejection seat invented by James Martin. [54] 1947: Duty-free shopping invented by ...
The Mk.5 seat was developed alongside the Mk.4 design to meet the needs of the United States Navy. Compared to the Mk.4 seat the structure and harnesses were strengthened to withstand higher crash landing loads, this resulted in a slight increase in weight. [2] Canopy breaking horns were added to allow ejection through an unjettisoned canopy. [2]