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Old 06-04-2006, 08:42 AM
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deserth3 deserth3 is offline
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Default Re: No Calibration Needed!

Here's another way to do it.

Keep a constant speed between mile markers. Measure the time in seconds. divide this number into 3600 and the result will be your average speed between those two mile markers.

i.e. 3600/60 sec.=60 mph
3600/65 sec.= 55.38 mph
3600/55 sec.=65.45 mph
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