I can endorse the Panasonic Panaflo series. It is not only a quality fan, it is relatively quiet.
Dennis AE6C On Sat, Jul 17, 2010 at 7:55 AM, Jim Shorney <jshor...@inebraska.com> wrote: > On Sat, 17 Jul 2010 09:16:50 -0500, Don Cunningham wrote: > > >Evan, > >Would you share the make and model of the fans that work so well for you?? > Sounds like something I need to do here. > > > Well, I'm not Evan, but I will share what I am doing with my L-4PS. The > larger > the fan, the slower (and quieter) it needs to run to move a certain amount > of > air. Or, the more volume it will move for a given speed. I have a pair of > ebm-papst 12 volt fans pulled from server computers, model 4412 F / 2M. > They > are about 4.75 inches (120mm) in size, and I run the two in series from a > 12 > volt power source, pulling air OUT on top of the PS. They seem to work very > well, and I can't hear them running when I am sitting practically right on > top > of the PS. I have to check with my hand to feel the air to make sure they > are > running. They can be "mounted" as Evan describes, or some thin stick-on > weather > stripping material can be cut into small strips and affixed to the fans. I > currently have mine just sitting there with nothing between the fan and the > PS, > they are so lightweight and made of plastic that they don't scuff. > > What is probably more important here than the type of fan is the quality. > Avoid > cheap sleeve-bearing PC fans like the plague, they will die on you. > Guaranteed. > The ebm-papst seem to be a decent product. Panasonic Panaflo fans are > excellent, they seem to go forever. Be cautious of PC fans labeled as "ball > bearing", some of the small ones that I have taken apart have a ball > bearing at > one end of the impeller shaft, and a sleeve bearing at the other. I don't > see > this as an improvement. The new Sunon "Maglev" design looks interesting and > seems to have better longevity, but they haven't been around long enough to > make an accurate judgement. > > And remember to clean the blades once in a while, a little dust can reduce > the > airflow by a surprising amount. > > I'm sure Evan will have some great recommendations as well! > > 73 > > -Jim > > > -- > Ham Radio NU0C > Lincoln, Nebraska, U.S.S.A. > TR7/RV7/R7A/L7, TR6/RV6, T4XC/R4C/L4B, NCL2000, SB104A, R390A, > GT550A/RV550A, HyGain 3750, IBM PS/2 - all vintage, all the time! > > "Give a man a URL, and he will learn for an hour; teach him to Google, and > he will learn for a lifetime." > > HyGain 3750 User's Group - http://groups.yahoo.com/group/HyGain_3750/ > http://radiojim.exofire.net > http://incolor.inetnebr.com/jshorney > http://www.nebraskaghosts.org > > > > _______________________________________________ > Drakelist mailing list > Drakelist@zerobeat.net > http://mailman.zerobeat.net/mailman/listinfo/drakelist >
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