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All figures that I've quoted are without ram effect.
Thank you, Calum.
Unfortunately, that chart brings another set of questions. Like - what RPM are the lines for the Merlin XX, 45, and 46/47?
Everything on the chart unless otherwise mentioned is 2850rpm (if you go to 3000rpm with the XX, basically the peaks move right about 1.6km and up about 30PS).
Thank you.
Looking at other two charts I've linked or posted, going from 2850 rpm to 3000 adds 1300-2000 ft (~400-600m) in high gear at around 18000-20000 ft.
Thank you.
Looking at other two charts I've linked or posted, going from 2850 rpm to 3000 adds 1300-2000 ft (~400-600m) in high gear at around 18000-20000 ft.
Increased drag. Ram air is air that is compressed to higher than ambient air pressure in the intake duct before it reaches the carburetor/supercharger intake.Why,
Would ram air effect cost hp?