Oct 31
Suction Car
Posted on Saturday, October 31, 2009 in Uncategorized
Why not a compass works well in a car?
I bought a compass (N, S, E, O) vacuum for cars - is a normal magnetic compass with a ball floating in the water. When he left the car, is 100% accurate. But inside vehicles (tested on two different cars), the compass has an accuracy of + / – 45 degrees I think there is some kind of electromagnetic interference in a car, but what is it? and why not affect the compass * predictable? Thanks! Paul
Iron and steel are ferromagnetic in the car and will attract the magnet and distort the direction apparent depending on the orientation of the structure of the car. It is possible, however, with the compass car compass position to compensate for the structure ferromagnetic around.
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