Quote:
Originally Posted by Power Hungry
One thing I read is that when the vehicle is travelling, the body creates an airfoil around it and that the pressurized airflow is actually about 2-3 inches above the hoodline. This means that your hood scoop would need to be at least 3 inches or higher to have ANY effect. Otherwise, you are actually operating in a vacuum.
Fun stuff, ain't it?
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The pitot tube opening, that picks up ram air pressure for aircraft speed is positioned quite a bit away from any part of the fuselage or wing for that very reason.
Much of what we'd "guess" in aerodynamics is just plain wrong!
- Jack