The electric cooling fan is controlled by the Engine Control Module (ECM) through the cooling fan relay based on inputs from the following components: - The engine coolant temperature (ECT) sensor. - The intake air temperature (IAT) sensor. - The A/C selector switch. - The A/C refrigerant pressure sensor.
Staff bags are big enough to hold everything a pro would need. In fact, they are usually designed after the custom golf bags pros use, so they are larger and heavier than regular golf stand bags. Staff bags are often made of leather and have large pockets. They have space for a full set of 14 golf clubs.
With that said, most male golfers are playing with drivers that measure 45 to 48 inches (although incredibly long, 48 inches is the maximum length allowed under the USGAâs Rules of Golf). It may seem surprising but the average driver length on the PGA TOUR is slightly less, at 44.5 inches.