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Need small diameter pipe/ fan system for...
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| Topic: | Need small diameter pipe/ fan system for cabinet.... This thread has 8 replies. Displaying all posts. |
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| Post 1 made on Friday March 1, 2024 at 10:31 |
PSS Select Member |
Joined:
Posts: | December 2002
1,520 |
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Need to get just a little air out of a closed cabinet. The only way is through a small 3" or less pipe. Holovision used to have a small system that used 2" vacuum pipe.
Hoping to figure out something similar, without having to make it myself.
Any ideas, etc would be appreciated.
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| Post 2 made on Friday March 1, 2024 at 11:38 |
highfigh Loyal Member |
Joined:
Posts: | September 2004
8,322 |
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On March 1, 2024 at 10:31, PSS said...
Need to get just a little air out of a closed cabinet. The only way is through a small 3" or less pipe. Holovision used to have a small system that used 2" vacuum pipe.
Hoping to figure out something similar, without having to make it myself.
Any ideas, etc would be appreciated. I installed a flexible 3" duct going from the top of a cabinet to a basement, using a plastic quad outlet junction box, a 12V computer fan, Bosch relay and a wall wart, triggered by the 12V jack on a Denon receiver. Still working after 13 years. I got the duct from the HVAC guys- it was scrap from what they were doing.
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My mechanic told me, "I couldn't repair your brakes, so I made your horn louder." |
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| OP | Post 3 made on Friday March 1, 2024 at 18:20 |
PSS Select Member |
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Posts: | December 2002
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On March 1, 2024 at 11:38, highfigh said...
I installed a flexible 3" duct going from the top of a cabinet to a basement, using a plastic quad outlet junction box, a 12V computer fan, Bosch relay and a wall wart, triggered by the 12V jack on a Denon receiver. Still working after 13 years.
I got the duct from the HVAC guys- it was scrap from what they were doing. Sounds about what I want to do. Thanks for the input
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| Post 4 made on Saturday March 2, 2024 at 08:57 |
highfigh Loyal Member |
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Posts: | September 2004
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On March 1, 2024 at 18:20, PSS said...
Sounds about what I want to do. Thanks for the input The duct was from the high velocity AC lines they ran- I wasn't sure how I was going to do this until I saw a 4' long piece laying on the floor next to a trash can- the fan screwed directly to the junction box cover.
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My mechanic told me, "I couldn't repair your brakes, so I made your horn louder." |
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| Post 5 made on Saturday March 2, 2024 at 09:00 |
Archibald "Harry" Tuttle Advanced Member |
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I came into this game for the action, the excitement. Go anywhere, travel light, get in, get out, wherever there's AV trouble, a man alone. |
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| Post 6 made on Tuesday March 5, 2024 at 11:09 |
BHuey1969 Long Time Member |
Joined:
Posts: | September 2016
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AC Infinity makes good stuff that is quiet and moves a lot of air, but their smallest inline fan and duct is 4". You could probably get creative in the Home Depot AV duct department with some 4"-3" reducers, or maybe online.
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| Post 7 made on Tuesday March 5, 2024 at 12:13 |
tomciara Loyal Member |
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Active Thermal Management [Link: activethermal.com]
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There is no truth anymore. Only assertions. The internet world has no interest in truth, only vindication for preconceived assumptions. |
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| Post 8 made on Wednesday March 6, 2024 at 09:47 |
highfigh Loyal Member |
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On March 5, 2024 at 11:09, BHuey1969 said...
AC Infinity makes good stuff that is quiet and moves a lot of air, but their smallest inline fan and duct is 4". You could probably get creative in the Home Depot AV duct department with some 4"-3" reducers, or maybe online. Trying to move the air from a 4" fan by reducing the duct to 3" might work, but it might not- at higher pressure/vacuum, the reducer causes loss of volume being moved. I'm pretty sure the 4" system is for a closet that has more equipment generating heat- OTOH, the 2" pipe mentioned in the OP isn't going to do much. I doubt the fan, J-box and hardware cost me more than $15 and the flexible duct was free- Lowes has a 3" x 96" piece for $22.
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My mechanic told me, "I couldn't repair your brakes, so I made your horn louder." |
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| Post 9 made on Thursday March 21, 2024 at 20:24 |
Using the right pipe always works and you have to check the size.
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