When we turned on the water injection the intake air temp went from
200 F down to 140 F. The P38 in WW II was limited to 140 F intake temp or the
Allison detonated.


The the cross counter flow  heat exchanger is working fabulously.! It is far exceeding
my wildest expectations. We may not have to use the spray bar at all. It might
even cool a four rotor.  Cooling water temp on the TTC is not getting over 120 F.

I suspect the cross counter flow is working better than the theoretical
15% improvement.

Paul Lamar

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