The commercial controllers are simple electronic thermostat type things with a sensor stuck between the fins of the radiator.
I would like to build one that can also monitor engine and trany temp with an LCD display. The computer part is in my ballpark but I would like some advice regarding the radiator sensors. One chimerical controller uses 185°F On/170°F Off for 180°F thermostat. I am thinking a sensor good to 200°F would work.
Most of the 16 inch fans I have looked at state that they draw 20 AMPS with a few as high as 30 AMPS. I think I will try to get ones int the 12 to 20 AMP range. Any suggestion on what to use to switch the power. MOSFETS ?
I would like to build one that can also monitor engine and trany temp with an LCD display. The computer part is in my ballpark but I would like some advice regarding the radiator sensors. One chimerical controller uses 185°F On/170°F Off for 180°F thermostat. I am thinking a sensor good to 200°F would work.
Most of the 16 inch fans I have looked at state that they draw 20 AMPS with a few as high as 30 AMPS. I think I will try to get ones int the 12 to 20 AMP range. Any suggestion on what to use to switch the power. MOSFETS ?