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Old 07-25-2021, 02:17 PM   #1 (permalink)
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Variable Discharge Turbine

It's in the lower right.


It doesn't state directly what the thrust amounts to, thrust and shaft power being apples and oranges; but the supercharged version of the engine had 3500 horsepower and this configuration with supercharger and turbocharger had 4300.

So, in addition to the Meredith Effect P-51 and FW-190, and the ducted-fan cooling on Zeppelin engine nacelles, there is this. One evolutionary step short of the turbo-prop.


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Old 07-25-2021, 08:21 PM   #2 (permalink)
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The corncob engine by itself ultimately became too complex, then rendering a turboprop a much more reasonable option for most operators. So, this halfway evolutionary step was more like a half-assed step.
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Old 07-26-2021, 10:24 AM   #3 (permalink)
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Actually the first allied jet was a turboprop shoved into a biplane in Britain sometime around WW2. Somewhere during the first test flight the prop separated, the rest is history.

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