Join Date: Mar 2008
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Yep both a Air supply and powered exhaust. Air temps in there get above 60c with the fan off, and below 40c with the fan on.
I think you want to look at air flow and try to control it such that fresh air is directed at engine intake (cooler air is more dense), Alternator (for cooling) and lastly across the exhaust or hot side of engine and is then exhausted out.
I have a speed control on mine as wide open moves alot of air, much more than is needed many times, and to keep the noise down. In the summer I leave the fan on for quite a long time after shutting the engine down as that big block of liquid and steel pumps out lots of heat long after it has been shut down.
Have faith that the oceans are going to rise and flood the world, that plague and pestilence brought on by Climate Change is going to punish us for not believing. Please do as they say it is our only hope. :P