Ok, i just got board, and started playing with a CPU cooling fan. After getting board with putting in about 18vdc(2 9v batteries in a series), i started hooking up more and more batteries until i had 5 batteries, or about 45vdc hooked up to it. After about two seconds of REALLY high power, the fan started to slow down.
What is the cause of this?
The reason i ask this, is because it did not wreck the fan. I took the fifth battery off, and it worked perfect again. So, did it start to get hot, and dissipate the power as heat, or what?