This article describes how to calibrate the wheel sensor of a bicycle computer or GPS unit in the easy way -- or in harder, more accurate ways. A companion article, the cyclecomputer database on this site, links to owner's manuals for cyclecomputers and GPS units. Another article serves ...
We calibrate police radars here at work (well, we do a LOT of stuff here, that's one of the things we do...). I tried an experiment last month, I took my GPSr and jumped into a sheriff car and went for a ride. Even his 'calibrated' speedometer was off by 2 mph ...
If you recently lowered your car, or hit a really hard bump to your drivers side front or rear wheel, this could be the problem. For cars equipped with auto-levelling sensors, the sensors themselves are located in the wheel wheels near the lower control arms so they can adjust the headlig...