Fans (was Re: 3B1 in the news(groups))
DoN Nichols
dnichols at ceilidh.beartrack.com
Wed Jun 19 09:12:03 AEST 1991
In article <1991Jun18.032817.14348 at texrex.uucp> rmfowler at texrex.uucp (Rex Fowler) writes:
[ ... ]
>Having two fans; one blowing in, one blowing out? There has been discussion
>in the past about fan usage and it seemed to me that the 'FARTASS' method
>might be the best way to keep air moving through the computer.
>
>The only problem I see is that maybe the air blowing in exits through the
>holes in the back(front)-plane before being sucked out by the other fan.
All the better! If the incoming fan is filtered, and has a bit more
airflow than the outbound fan, the extra lost through the holes will keep
the dust-bunnies out. I haven't checked for the 3" fans, but the 5" fans
(from Rotron, at least) were available in both the 7-watt version (whisper
fan), and the 14-watt version (more noise, but more airflow). If there is a
similar pair available, this sounds like the way to go. With the original
7300's fans, run the inbound one on the full 12VDC, while sending reduced
power to the other.
--
Donald Nichols (DoN.) | Voice (Days): (703) 664-1585
D&D Data | Voice (Eves): (703) 938-4564
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--- Black Holes are where God is dividing by zero ---
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