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Arno P
Joined: 01 Jan 2007
Posts: 282
Location: The Netherlands
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| Posted: Sun Oct 05, 2008 6:49 pm Post subject: 9500 belly fans |
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Would it be enough to damp the mounting of the fans to get them silent enough (and is there just a little benefit of replacing them with papst?)
Just wondering while my 3 tubes are out and I could reach the fans from the tube side (instead of via the outer plate)
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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| Posted: Sun Oct 05, 2008 7:16 pm Post subject: |
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Arno if you replace the fans make sure they have the same air flow, you can just use the rubber fan mounts and it does help a bit, and line the side walls in the fan bay with acoustic foam. I also lined it with dynamat. Replacement fans can be tricky as most spin faster to get more air flow and are 12 volt, so you would need to lower the voltage and then lower it further to get the speed slower but still keep the same flow. I measured this in an ingenious way, i cut a strip of paper, before i took the PJ apart ,to measure the flow of original fans by taping the strip at one end on the cover of the HDM and FCM having the paper go over the exhaust holes for the heat sinks. Whn the PJ on I meassure the deflection of the paper over each hole. then i took the PJ apart added the new Thermaltake silent cat fans and measred the new deflecton not screwing anything pernmanantly so i could remove it all to lower the fan speed till i got the same deflection of the paper. once that was found i put it all back together.
Athanasios
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Marquee High Performance Bellows now shipping!!
Marquee Modifications and Performance Enhancement
Marquee C-element and Bellow removal
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antorsae
Joined: 16 Jul 2006
Posts: 297
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| Posted: Mon Oct 06, 2008 6:24 am Post subject: |
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You rock!
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Tim in Phoenix
Joined: 21 Oct 2006
Posts: 4409
Location: Phoenix
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| Posted: Mon Oct 06, 2008 4:12 pm Post subject: |
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Hello
Belly fans cannot be accessed from the bottom; there is no room for tools under there. Unless a fan has failed, there is little benefit in replacing them.
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Arno P
Joined: 01 Jan 2007
Posts: 282
Location: The Netherlands
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| Posted: Mon Oct 06, 2008 5:14 pm Post subject: |
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| Tim in Phoenix wrote: | Hello
Belly fans cannot be accessed from the bottom; there is no room for tools under there. Unless a fan has failed, there is little benefit in replacing them.
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Bottom as in...pj on ceiling and I am looking up but cant get to the fans (in other words the only access is via the top of the ceiling mounted pj)?
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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Ohmess
Joined: 11 Sep 2008
Posts: 242
Location: Vienna, VA
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| Posted: Mon Oct 06, 2008 6:12 pm Post subject: |
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| Tim in Phoenix wrote: | Hello
Belly fans cannot be accessed from the bottom; there is no room for tools under there. Unless a fan has failed, there is little benefit in replacing them.
. |
I don't know whether this statement is true generally, but I did mine because it was so loud my wife complained about the noise level overpowering quiet sceens in a movie.
When Mike Parker came over to my house to provide some technical assistance, he commented that I had the loudest Marquee he had ever heard.
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Arno P
Joined: 01 Jan 2007
Posts: 282
Location: The Netherlands
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| Posted: Mon Oct 06, 2008 6:36 pm Post subject: |
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| Nashou66 wrote: | NO you have to do it from the tube side. To make it easier Arno just add the ruber mounts and some sound absorbtion.
Athanasios |
Perfect...  while I am waiting for the tubes to dry 
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Tim in Phoenix
Joined: 21 Oct 2006
Posts: 4409
Location: Phoenix
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| Posted: Mon Oct 06, 2008 7:19 pm Post subject: |
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| Ohmess wrote: | | Tim in Phoenix wrote: | Hello
Belly fans cannot be accessed from the bottom; there is no room for tools under there. Unless a fan has failed, there is little benefit in replacing them.
. |
I don't know whether this statement is true generally, but I did mine because it was so loud my wife complained about the noise level overpowering quiet sceens in a movie.
When Mike Parker came over to my house to provide some technical assistance, he commented that I had the loudest Marquee he had ever heard. |
Hello
You need to consider our E-Tech Fan Noise Mod, as described here: https://www.curtpalme.com/forum_archived/viewtopic.php@t=6618.html
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Arno P
Joined: 01 Jan 2007
Posts: 282
Location: The Netherlands
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| Posted: Mon Oct 06, 2008 7:46 pm Post subject: |
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| Tim in Phoenix wrote: | | Ohmess wrote: | | Tim in Phoenix wrote: | Hello
Belly fans cannot be accessed from the bottom; there is no room for tools under there. Unless a fan has failed, there is little benefit in replacing them.
. |
I don't know whether this statement is true generally, but I did mine because it was so loud my wife complained about the noise level overpowering quiet sceens in a movie.
When Mike Parker came over to my house to provide some technical assistance, he commented that I had the loudest Marquee he had ever heard. |
Hello
You need to consider our E-Tech Fan Noise Mod, as described here: https://www.curtpalme.com/forum_archived/viewtopic.php@t=6618.html |
Implemented your lvps mod and it works great
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