Thread: VX wrong trans
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Old 04-11-2012, 07:09 PM   #24 (permalink)
some_other_dave
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There's also finding a known distance, and traversing it over a given amount of time. Miles traveled / time taken == MPH (or km/h if you're using metric units). You can use that to calibrate your actual speed against the speedometer if you can manage to keep a steady speed for a known distance.

A longer distance (and time) will generally mean less error in your measurement this way, as well.

-soD
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