A car owner may have to recalibrate the speedometer if they make changes that make the vehicle fall out of factory specifications (see the sidebar below). Recalibrating a speedometer can be done by manipulating the hairspring, the permanent magnetor both. Generally, the strength of the magnetic ...
Whenever the skydiver is on the ground, the unit recalibrates every 30 seconds to handle weather-based changes in atmospheric pressure. Getting Into Skydiving If you have never been skydiving before, one popular way to make the first jump is called tandem jumping. In a tandem jump, you ...