Hello all - I have a Dell PowerVault 200S SCSI Drive cage and the fans
are driving me and more importantly, the others in my house, nuts. It
currently has three redundant Papst RL90DC fans, running at 12VDC. Does
anyone know of a good quiet replacement for these units? Any help is
greatly appreciated as this array must stay up but cannot continue making
so much noise.
Scott Toland
You might try putting baffle vents over the fan output screens.
Or if you can get your hands on some vacuum flex hosing build an
external cooler box.(I have one running on a mini-tower case that does
a good job of pulling air through the case for cooling with the
suction fan and motor in a corner closet.)
You can cobble one together out of hosing and old vacuum fan and
motors parts. Build it into a heavy plywood or particleboard case for
sound insulation. I have a heavyduty voltage control pot on the motor
to notch the fan velocity down to about the same level as the standard
vent fans used in tower cases.
Does a great job of pulling out the heat and is whisper quiet.
If you have any old AT power supplies laying around you might try
using the cooling fans out of those also. If one doesn't have the
needed velocity try using more than one. one on the intake vent of the
case and one on the exit vent. Of if possible cut an additional vent
hole in the case near the top and install a second.
I use these fans on many of the towers I build and they do a good job
without creating the noise of the higher velocity fans.