"24V DC Cooling Fan" horsepower test, high-speed air flow test, the idle air volume testing.
Needless to say, after the horsepower testing, installation of different fan, engine reaches operating temperature more than 80 degrees, the horsepower horsepower machine for testing and record data.
"24V DC Cooling Fan" high-speed air flow test, let the engine temperature is lowered to below 70 degrees, set to drag on the road horsepower machine, then one minute uninterrupted full throttle test, record the engine temperature.
"24V DC Cooling Fan" idle air volume test, after the high-speed air flow test, let the engine idle for 30 seconds, after recording the engine temperature.