In Parris Island at basic training my brother saw a midnight temp and humidity of 99 each.
Best time for max AC is DFCO since its basically free. With 46 lights in 40 miles, it's inevitable that you will catch a couple of them. The VX's 5th gear is so tall you can get 10-30 seconds of DFCO-AC operation before engine speed drops down to low to maintain DFCO.
Just use the AC compressor, max fan, and recirculate, min temp and downshift as you slow to maintain DFCO RPM which in the VX is about 1200 RPM.
The threshold for me now is in the lower 90s temp wise and humidity here is rarely below 75%.
regards
Mech
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