Reply to post: Re: Alternate 737MAX design kludge

Deadly 737 Max jets no longer a Boeing concern – for now: Production suspended after biz runs out of parking space

Martin an gof Silver badge

Re: Alternate 737MAX design kludge

Why did they not put a small duct on the back of the engines

If you compare the Tristar, the Trident (that one has a fourth engine), the 727, the DC10 and probably many others, you will see that the ducts are on the intake side of the engines, not the outlet. There's probably a reason, I wouldn't know. Interesting question though.

But I don't think it would solve the problem anyway, I have never given it much thought, but the real question is, where is the actual force acting? Is it at the point where the hot and cold gasses exit the "inside" of the engine, or is the fan like a big propeller with the force it creates acting at the blades? Or a bit of both?

M.

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