cooling your tent or van

Swamp Coolers, Cooler Management, Dry Ice, Misting Systems, and just plain how to beat the heat.

Re: cooling your tent or van

Postby Ano » Sun Jun 01, 2014 8:36 pm

If I don't have access to a hole saw, what would be a good way to get holes in the bucket? Knife and cutting?
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Re: cooling your tent or van

Postby sharpstick » Sun Jun 01, 2014 10:15 pm

Maybe. But not fun. Probably take a few hours. Do you have a sabre saw?
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Re: cooling your tent or van

Postby unjonharley » Mon Jun 02, 2014 7:04 am

Cut diamond shapes out with a box knife will work fine..
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Re: cooling your tent or van

Postby sharpstick » Mon Jun 02, 2014 7:37 am

a hexagon or higher order polygon is more efficient and would experience less turbulence. nah, i'm just bullshittin ya.
a knife will work if you're desperate. if possible, that might go easier if you start the corners with a drill hole. and a wood chisel might work better.
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Re: cooling your tent or van

Postby Oldguy » Mon Jun 02, 2014 8:43 pm

Cutting holes in plastic? Easy, 12 gauge buckshot, or pencil torch, or hand-drill, or hot nail, or ...you get the idea. Make your own burn, you dumbsh== ass==== .
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Re: cooling your tent or van

Postby FIGJAM » Tue Jun 03, 2014 8:29 am

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Re: cooling your tent or van

Postby Cjs722 » Thu Jun 05, 2014 9:22 pm

Hey guys, couple questions, total noob at this, but I did try searching for this info and didn't find any relevant info.

Here is my set up:

Tent - 10'x20': http://www.atafa.com/products/Trek-Tent ... 49521.html

Battery: 115AH Deep Cycle: http://www.sears.com/diehard-marine-dee ... 827582000P

Fan - 1.45amp, 190.48 CFM: http://www.amazon.com/dp/B004XJLOG8/ref ... OJRAMF4H19

Pump - 1.05amp: http://www.amazon.com/dp/B00FCSVL5I/ref ... Y3SE93DXEV

Solar Charger - 50w: http://cgi.ebay.com/ws/eBayISAPI.dll?Vi ... 1295696648

Total amp draw: 2.5amp

My questions are:
Can I charge my battery with a solar charger while discharging it to cool my tent?
With a 115Ah I can run that for 46hrs without having to recharge yes? (115/2.5)
Wiring everything to the battery is just splicing the + and - wires of the pump and fan together and then connecting them to the battery terminals, right?
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Re: cooling your tent or van

Postby FIGJAM » Thu Jun 05, 2014 9:37 pm

That pump uses more power than most and I'm not sure it's submersible.

The main problem is the bucket cooler is to small for that space!

It can cool up to 600 cu. ft.

If your tent is 6 ft. tall, you have 1800 cu. ft.

Build a box cooler!
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Re: cooling your tent or van

Postby Cjs722 » Thu Jun 05, 2014 9:45 pm

oh snap. Ill need to find a different pump. Any recommendations?

As for the space, I know the tent is large but I only plan of cooling one of the 3 compartments at a time, do you still think it will be a problem? should I upgrade to the 240cfm?

PS. Damn that was fast. You really ARE that good ;D
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Re: cooling your tent or van

Postby kowtow » Thu Jun 05, 2014 9:51 pm

Here is the pump that I used for the swamp cooler:

http://www.amazon.com/gp/product/B009B5 ... UTF8&psc=1
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Re: cooling your tent or van

Postby Cjs722 » Thu Jun 05, 2014 9:53 pm

Great thanks! I also double checked my pumped, it does say "submersible intallation"
Last edited by Cjs722 on Thu Jun 05, 2014 9:57 pm, edited 1 time in total.
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Re: cooling your tent or van

Postby FIGJAM » Thu Jun 05, 2014 9:56 pm

That fan is a power hog for what it puts out.

Calculate the space to be cooled in cubic feet.

If it's under 600, you'll be fine.

If its bigger, then the coolers with the "Endless Breeze" fan would cool that whole space.

See page 82 for instructions. 8)

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Re: cooling your tent or van

Postby Cjs722 » Thu Jun 05, 2014 10:06 pm

Awesome, I will do those calculations.

Also, I may just do what my buddy did and make an air conditioned burrito bag ;)
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Re: cooling your tent or van

Postby sharpstick » Fri Jun 06, 2014 6:36 am

I do the same thing, but my "bed tent" encloses the entire air mattress with overlapping flap. supported from the tent frame with a bamboo crossbar. i estimate less than 50 cu ft of space to cool.
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Re: cooling your tent or van

Postby Cjs722 » Fri Jun 06, 2014 11:14 am

Yeah I had the privilege of using my buddies for a bit, it was REALLY nice in the middle of the day. I would like to have the whole space cooled though, the "living area" is 5ft*10ft*7.5ft which only comes out to 375cft so all systems are green!
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Re: cooling your tent or van

Postby asr9754 » Sat Jun 07, 2014 6:59 pm

Got my bucket out today to spruce up and test run. The fan seems to be running a bit sluggish. Have people found it good to lube or maintain the CPU fan between burns... And if so, how do you do it?? Thanks
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Re: cooling your tent or van

Postby FIGJAM » Sat Jun 07, 2014 7:50 pm

Haven't done anything to the fan since I installed it 4 years ago! 8)
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Re: cooling your tent or van

Postby Papa Bear » Wed Jun 18, 2014 9:54 am

Yet another question (and my apologies if it's been addressed somewhere in the previous 2500+ responses and I just missed it)...

I'm going to be spending a full 2 weeks on the playa this year, and am planning to use the Mark 3 unicooler to cool my yurt (that's a Mongolian-style yurt, not a hexayurt).

Does it matter where I place the cooler with respect to the structure/prevailing winds? Putting it on the windward side might create somewhat better airflow, but would I be smarter overall to put it on the leeward side to reduce how much dust gets driven straight into it?
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Re: cooling your tent or van

Postby FIGJAM » Wed Jun 18, 2014 10:24 am

The wind won't be an issue.

I would put it on the north side as being in the shade of the yurt will help it work just a leeeeeeeeettle bit better. 8)

Or opposite the door if that will be your exhaust vent.
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Re: cooling your tent or van

Postby sharpstick » Wed Jun 18, 2014 10:42 am

If possible, surround the intake area with a windbreak of some sort, around and above. I think that if you can slow down the wind, much the dust will drop out before it reaches the intake. (think of breathing behind a bandana. (or that araby cloth thing whatsitcalled).
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Re: cooling your tent or van

Postby Papa Bear » Wed Jun 18, 2014 10:54 am

Makes sense, thanks!

The yurt is still under construction, but once finished it will vent out the center ring (though I am working out a way to cover it at night/during dust storms). It'll also have a parachute hung inside as a false ceiling, with a gap between it and the actual roof of the yurt.
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Re: cooling your tent or van

Postby sharpstick » Wed Jun 18, 2014 10:59 am

the inner ceiling should help by reducing the vollume that you are cooling, as well as separating the upper layer of hot air from the lower area. and the more you partition off your cooled area with a wall (say around your bed), the cooler it should be. (see my earlier comments on my bed tent of about 50 cu ft.)
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Re: cooling your tent or van

Postby FIGJAM » Wed Jun 18, 2014 12:37 pm

The dust will not get past the pad on the cooler!

It will baffle and filter to the point that the dust won't get through. 8)
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Re: cooling your tent or van

Postby sharpstick » Wed Jun 18, 2014 12:47 pm

but it will accumulate on the pad, requiring rinsing.
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Re: cooling your tent or van

Postby FIGJAM » Wed Jun 18, 2014 5:18 pm

In my experience, the pump keeps the dust washed out of the pad and it settles to a thin layer in the bottom of the cooler. 8)
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Re: cooling your tent or van

Postby Papa Bear » Thu Jun 19, 2014 11:46 am

Sharpstick, those are precisely the reasons I'm using the inner ceiling. Back in my early days with the HeeBees, we had otherwise identical shade structures that varied only in the presence/absence of that inner layer, and the difference in comfort underneath was significant. The yurt wall is likely to have both an inner and outer layer as well, though that part is still to be finalized, and the wall gap would be much smaller in any case.

I'll drape something over the bed if needed (it'll keep the sleeping area warmer at night, too), but I'm hoping the Endless Breeze fan in the Mark 3 will be able to cool the yurt without additional partitioning. High speed on the fan is 900cfm, the entire yurt itself is just under 1500cf, and the volume under the inner ceiling will be around 1200cf.

I'll see about posting a yurt construction thread as I get further along.
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Re: cooling your tent or van

Postby FIGJAM » Thu Jun 19, 2014 11:50 am

That cooler for that space should do great on medium speed.

Make sure the air intake on the cooler is large enough.

20"x20" should do it. 8)
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Re: cooling your tent or van

Postby Papa Bear » Thu Jun 19, 2014 11:59 am

I'm using 3 12"x12" air returns; should be plenty.
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Re: cooling your tent or van

Postby FIGJAM » Thu Jun 19, 2014 3:36 pm

You're using what I call the "Box" cooler.

It's big enough to pre-chill your beer before you put it on ice!!! :lol:

Someone that was on playa for 20 days made one and said they didn't need to buy ice. 8)
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Re: cooling your tent or van

Postby Papa Bear » Thu Jun 19, 2014 10:03 pm

Ah, guess I got the names mixed up.

And yes, I have considered using it for chilling beer. More accurately, I've considered making it wider so that it can hold a 3 gallon homebrew keg and CO2 charger, and installing a tap on the front. That feature may have to wait until my own rev 2.0, though.

Speaking of beer, what's your preferred style? I'm thinking that between this and the lag screw anchors, I definitely owe you a few.
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