Who knows... What I'm doing may give someone else ideas. Maybe better ones. If so, please share...
My mining/data closet is coming along slowly but surely. I've put up shelves that are 20 inches deep. However they are 3 inches away from the back of the closet to allow room for power cords, etc. You can see this in the 2nd picture.
You also see a 14 inch x 6 inch rectangular hole I've cut out in the bottom corner going into the adjacent garage. I've sprayed a foam insulation that hardens up over time. I need to trim it after it hardens. I will be putting vent cover plates on the garage side and inside the closet to cover the rectangular hole once I've trimmed out the excess foam. I will also put a 14" x 6" filter inside between the garage and closet vents to keep dust in the garage from coming into the closet.
I've also put several strips of wood going across for extra support (bracing). It is 43.5 inches from right to left and 13 inches between each shelf.
The existing top shelf is only 16 inches deep. I'm leaving it alone.
S4's are approximately 5.5 inches tall (top to bottom), 17.25 inches wide and 17.02 inches deep (front to back). Being they are 5.5 inches tall, I can stack two (2) S4's on top of one another and still have 2 inches clearance from the shelf above them. I designed this so that four (4) S4's will go on the bottom shelf and four (4) S4's on the next shelf above it.
The four S4's on each shelf will take up 34.25 inches of the 43.5 inches width of each shelf. This leaves me approximately 9 inches space between each double stack of S4's on each shelf. That extra 9 inches can be used to double stack two S3's with PSU in between the four S4's on each shelf. Fourteen (14) S3's will be on the 3rd shelf from the bottom. Not sure what I will use the top shelf for (4th from the bottom). I might use it to place my 48 port switch. Still thinking about it.
This has been planned out to also put 3 more S4's stacked on top of one another on the floor in front of the 14" x 6" vent I just installed.
Just a pic showing the 3" space from the back of the closet wall to allow room for cords, etc...
Then next thing to do is cut an 8 inch circular hole near the ceiling and install duct work going to this 8 inch 720 CFM fan I purchased. The closet is 122 CFM. So, this fan with variable resistor should be PLENTY of CFM to suck cool air in from the garage through that 14" x 6" vent up through and around the miners into the 8 inch exhaust fan near the ceiling.
The reason I went with this 8 inch instead of 6 inch or 4 inch is to make sure I had plenty of suction to pull out the heat. I wanted the re-istat (variable resistor) to turn down the speed of this bad boy so it would not be too loud. Also, having the larger fan
with re-istat turned down allows the fan to last longer than a smaller fan turned up at too high of a speed to contend with getting all the heat out.
More pics to come when I'm finished.
