During which phase of his early career did Frank Whittle conceive the fundamental design for the turbojet engine?

Answer

While a cadet in the Royal Air Force

The conception of the groundbreaking turbojet engine design did not occur during Whittle's later professional career but much earlier, when he was still in a formative stage of his military service. The text specifies that the seeds of the jet age were planted in his mind while he was still undergoing his basic military training as a cadet within the Royal Air Force. By 1929, this initial vision had solidified into the fundamental design utilizing continuous combustion, leading him to file a patent application the following year. This highlights the early and visionary nature of his contribution to propulsion technology.

During which phase of his early career did Frank Whittle conceive the fundamental design for the turbojet engine?
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