2 ms·
It also helps that every speedometer installed in cars is 1-3 MPH slow on purpose (estimating above true velocity is obviously a real problem, and I believe res
by icelancer 10y ago
It also helps that every speedometer installed in cars is 1-3 MPH slow on purpose (estimating above true velocity is obviously a real problem, and I believe results in fines to the manufacturer).
Plug an OBDII reader + app into your car to see the true velocity.
- falcolas 10y agoWell, true velocity as reported by the car. Slop in the drivetrain, tire inflation differences, temperature differences... these can add up to up to 10% differences between your speed as reported by radar/gps and what your car measures from the drivetrain.