September 12, 20241 yr 7 hours ago, ryanbatc said: It's turbocharged but it won't show 40 at FL280. I think critical altitude is around F215 or so. Apparently I was mistaken. It does indeed decrease after the critical altitude. 4 hours ago, tttocs said: If MP is rock solid throughout a climb, then no that's not exactly right though how much it should change is variable and in almost all cases should be relatively small up to the critical altitude. Rocksolid 35 inches until the critical altitude. But I was mistaken as to when this decrease would take place as I was not even aware of a critical altitude. One learns everyday. So to my answer my own initial question: It was me Edited September 12, 20241 yr by avhpilot Antoine v Heck --- Ryzen 5800X3D, 32Gb DDR4 RAM@1600 Mhz, RTX3090 (24GB VRAM). 2TB SSD - VR with Quest 2 via link cable
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