Talk:Hitachi Hatsukaze

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Military history: Aviation / Asian / Japanese / World War II

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Issues[edit]

A: "after was known as"...what? Missing something.

B: Someone seems to have a poor grasp of jet engine technology. "1/3 of the total power was provided by placing the combustion chamber after the compressor"? You certainly aren't going to place it BEFORE the compressor. You must compress the air before you add fuel and burn it, which expands the air. Just like a piston engine, you must compress the air first to obtain a large enough working volume that expansion can have an effect. You would have very bad luck trying to mix fuel and air and burning them before you tried to run them through a compressor! Anyway, I recall having read something to the effect that the particular motorjet in question probably acted more as a ducted fan then a true jet engine, meaning that basically all the thrust was provided by the energy of the motor compressing the air and then expelling it at a higher velocity through a smaller nozzle then it entered through. Usually adding fuel to the compressed air and burning it makes it expand far more, which is how jet engines work. Not sure why they think this engine was unsuccessful at making this work. Poor combustion chamber design? I don't know enough to expand it myself, but I do know what is written is not correct..45Colt 21:53, 9 February 2014 (UTC) — Preceding unsigned comment added by .45Colt (talk • contribs)