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captain_video
01-22-2004, 10:54 AM
I was looking for a source to acquire some of the vibration isolators that come with the 9th Tee hard drive brackets and stumbled onto several interesting sites in the process. Here are some links I think you'll all find interesting:

http://vendors.asbis.com/datasheets/Seagate/chassisshock.pdf This is a white paper put out by Seagate outlining the pros and cons of vibration isolation for a hard drive. It gets pretty technical so many of you Engineering types out there should enjoy it.

http://www.maxtor.com/en/documentation/white_papers/hdd_considerations_white_paper.pdf This is another white paper developed by Maxtor that talks about the use of hard disk drives in DVR/PVR applications. This is particulary interesting because it discusses the pros and cons of speed, power consumption, streaming, heat, etc., that most of us are concerned with in our Tivos.

http://forums.silentpcreview.com This is a forum that discusses various ways of making your PC quiter. Many of the processes could be applied to a Tivo/DVR environment to make your Tivo as quiet as possible. Key topics involve hard drive isolation and CPU and case fan noise reduction.

http://www.earsc.com/cmsframe.asp?SID=6&exturl=/hddtechniques/ Here's the webpage for E.A.R. Specialty Composites that manufactures the vibration isolators used by 9th Tee. Check out the link on the page for mounting techniques used for fans. EAR also makes a vibration isolator for fan housings that should dampen the noise even further.

http://www.mcmaster.com/ This is a source I found for the vibration isolators used by 9th Tee. Place the number 3436 in the search box and it will take you to the catalog page where you can find the items listed. Note that items 9311K138 and 9311K139 correspond to EAR's grommets, part numbers G-410 and G-411, respectively. I believe the G-411 is the model that 9th Tee uses with a 3/16" OD spacer 5/16" long.

http://www.endpcnoise.com/cgi-bin/e/Fanisolators.html Here's a source for the fan isolators I mentioned above.

On another note, every site I looked at that discussed quiet hard drives for use in a PC unanimously ranked Seagate IV drives as being the quietest drives available. There are some links on the home page of the Silent PC Review forum that will take you to related sites. You'll find sources for the fan isolators at some of these sites.

alphabeta
02-03-2004, 02:40 PM
You might also like this project (http://www.pinedragon.com/tivo/quietdisk/) to install a quiet mouting for hard disks on a UK series 1 machine.