First Allied jet-propelled aircraft flies

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On May 15, 1941, the jet-propelled Gloster-Whittle E 28/39 aircraft flies successfully over Cranwell, England, in the first test of an Allied aircraft using jet propulsion. The aircraft’s turbojet engine, which produced a powerful thrust of hot air, was devised by Frank Whittle, an English aviation engineer and pilot generally regarded as the father of the jet engine.

Whittle, born in Coventry in 1907, was the son of a mechanic. At the age of 16, he joined the Royal Air Force (RAF) as an aircraft apprentice at Cranwell and in 1926 passed a medical exam to become a pilot and joined the RAF College. He won a reputation as a daredevil flier and in 1928 wrote a senior thesis entitled Future Developments in Aircraft Design, which discussed the possibilities of rocket propulsion.