The dotted black line is for 13.75 tons, the solid black is same power for 11.5 tons. The added red line is for the effect of inter-cooling.
Inter-cooling does increase charge density if air supply is unlimited, so for altitudes below full throttle altitude power and speed increase are there (6% in case of the Jumo 211F/J), however, above full throttle altitude air supply is somewhat limited. Very much like ram effects on the inlet side increase manifold pressure, inter-cooling reduces manifold pressure. The effect above full throttle altitude should be somewhat less than below.
In the meantime I've looked up range tables for the Ju 88 where speeds with inter-cooling are only higher below FTH, supporting my point of view. So I'm withdrawing the question, the red line is wrong. Back on topic, good to see a bomber getting some attention.
Last edited by JtD; 08-18-2012 at 05:10 AM.
Reason: Reworded technical bit for easier understanding, seemed necessary
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08-17-2012, 12:49 PM
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