Quote:
Originally Posted by Crumpp
Look guy,
The charts are in pressure altitude because the aircraft data is in pressure altitude.
The temperature correction is the density correction.
An engine sees density altitude and your FTH will reflect.
That is not being a "know it all". It is just how it works.
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The supercharger sees only the pressure and it's ability to compress air depends on pressure difference between atmosphere and manifolds, hence the FTH depends on pressure altitude (plus dynamic pressure). The density inside the manifolds depends on pressure and temperature and that is why power should be corrected with temperature.
Temperature correction does not change the FTH in the pressure altitude scale, only the power at the given pressure altitude. See the example calculations and the graphs and perhaps one day you will understand...
... and then you will state that you have said so right from the beginning
07-13-2012, 09:17 PM
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