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Originally Posted by bobkoure
Well, sheer frontal area, anyway. I think you'll find L1As, particularly eight or nine L1As together, to be no where near silent, even at 5V.
I'd suggest a shroud on the pull side. If you allow enough plenum, you should be able to use just one or two 120mm fans (see
this thread for a discussion of 120mm fans - and follow the link posted there (or the copy of it I put there) to the SPCR quiet fan roundup.
Finally, think about putting some acoustic-absorptive foam in the inside of your shroud - so at least the off-axis sound from your fan(s) will get a bit attenuated before it goes out through your radiator.
Oh - Greenman100 has offered to make custom shrouds - so don't let any possible lack of familiarity with sheet metal stand between you and a shroud.
Bob |
Hmmm. Maybe I should use a really big, slow moving AC fan. If I can't find a suitable candidate for that, I think I'll get the Papst 120mm 4412FGL. They're supposed to be better than the 120mm L1A's at reduced speeds.