The fact remains that there are some very quiet equipment fans besides the little muffins that sound like drones lifting off.
On Friday, July 15, 2016, Poul-Henning Kamp <[email protected]> wrote: > -------- > In message < > cany2ixq6onvridofgnfkebqjdkntp7t8kue7boupxjwlcux...@mail.gmail.com > <javascript:;>> > , "William H. Fite" writes: > >David Kirkby scripsit: > >> > >> I often here of people replacing fans with quiter ones, but I suspect > that > >> all they really do is reduce the airflow. > > > >Not necessarily, Dave. The Austrian company, Noctua, for one, makes > >extremely quiet fans with excellent airflow. > > ... at zero pressure differential, which is easy to do (Think: ceiling > fan). > > The hard part is to make fans silently move air when they also have > to build up pressure to get the air to move places. > > This is where the gap between the wings and the frame must be minimized, > or the pressure will leak out through it. > > -- > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > [email protected] | TCP/IP since RFC 956 > FreeBSD committer | BSD since 4.3-tahoe > Never attribute to malice what can adequately be explained by incompetence. > -- Yes, Black lives do matter. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
