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I wonder how far from the front of the grill will one find still air that isn't influenced by the car.
As I noted, the pitot tube for my air speed indicator is just three or four inches ahead of the grill of my F250 truck, and in still air with no vehicles around, at 60mph ground speed, re the speedometer and the GPS, the air speed is also 60mph, re the air speed indicator with a smooth, steady needle.
So, I interpret this to mean the location of my pitot tube is OK, and that there is no forward air agitation going on.
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