Quote:
Air is a mixture of gasses which have different molecular weights. But you wouldn't expect that the issues you allude to above would modify the composition of air going into the cylinders.
If the fuel has evaporated, and is in a gaseous phase, which is perfectly reasonable if the induction manifold temperature is high, the exact same argument applies; inertial separation of species within the gaseous mixture is unlikely because the forces are insufficient to overcome the diffusive tendency of the gas.
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Viper,
It does not work that way.....
If you have flown an aircraft with individual Exhaust Gas Temperature Gauges and Cylinder Head Temperature gauges you would know their is a wide variance in the temperatures with any fuel metering system that introduces fuel to the intake.
100 degrees or more is considered normal variance........
Why? The fuel mixture is different for each of the cylinders.