BC250 cooling with two 12cm blowers
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bc250 cooling idea
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I'm thinking – maybe I should revisit the idea of using a blower fan, but mounted differently?
eg. something like Delta BFB1212HH-5M2P (12v, 4pin PWM like classic cpu fan)
A single blower fan, blowing through the entire heatsink, makes noise and has limited efficiency. The air is already very hot halfway down the heatsink, and it doesn't cool well any further. And blowing through the entire heatsink creates significant flow resistance! What's more, it makes the entire system unreasonably long, along with the BC250 card.
What if we had two blowers? Because one is too weak, it would have to run at high speed, making a lot of noise.
What if we combined the idea of opening the heatsink from the top with a blower fan? Then the air wouldn't have to pass through the entire heatsink; it would pass through (one or the other) half and then out!