Swamp Coolers and Cooler 6' stretch hexayurt

[Julie Danger]

I added the new 6' stretch video to the 6' hexayurt page! I also for the record love the 6' stretch with 6' walls-- makes it very spacious and practical!


Also, here's the product plug for any solar swamp cooler people, from my old pal Charlie Marks in San Diego: he uses a BIGASS 12 volt fan and lemme tell ya: when it comes to swamp coolers, it's all about the fan, man.

The Fan is a Silverstone Air Penetrator. Watch the video, it's impressive.
http://www.frozencpu.com/products/11260/fan-720/Silverstone_Air_Penetrator_AP181_180_x_180_x_32mm_Fan_-_SST-AP181.html?tl=g36c435s1105

The pump I use is from Harbor Freight. It's a Solar powered 12v fountain pump.

As you know I was cooling a 6' tall Mark ll hexayurt. I think it's around 1300 cubic feet and I got a 30* temperature drop from inside to outside (105* outside to 75 inside).

[Brent Williams Bright]

Thanks for the info on the swamp cooler fan( on order)  How do I access the 6' hexayurt page?  I am really lame on computer stuff, so simple is best!  Thank you for all the Camp Danger hexayurt videos.  

[Joshua Keroes]

I should pick up two of these fans, right?

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[Jay Batson]

So is this the pump you use?

http://www.harborfreight.com/solar-powered-fountain-pump-66093.html

When I bought mine, the box said this is a 7 Volt pump - which makes it trickier to wire up to the fan.

Also, has anybody thought of just using a 12V large capacity battery to run this for a week?  The amount of power needed should be well within a battery's single charge - as long as you only run the pump 6-8 hours / day (e.g. when you're in it).

??

[Vladimir Khodel]

Indeed, 60lb deep cycle battery from costco was just fine for me - I did use 12v to 7.5v converter from Frys to power the pump - I tried running it from 5v USB converter and there was not enough flow in my opinion (this does work as a backup though :))

I only ran the pump during the day of course, but fans were on whenever we had people in the yurt - at least 12 hours a day (I do have 2 fans on my bucket for redundancy).

Cheers,

Vladimir

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[Jay Batson]

Thanks, Vladimir.

I'm actually in a camp that's on the grid; so I think what I'll do is ignore the solar part of the pump, and just use the 12v battery from Costco as you did, and bring a 120v -> 12v converter that I can cannibalize if my battery dies. I'm flying from BOS, and can't carry the battery, obviously. So I'm going to try to pre-buy one in RNO over the phone, and have it held for will-call, since I'm afraid of them not being there when I show up.  Wish me luck! ;-)

(Gotta find the 12v - 7.5v converter here, though, and at least try a test before I get to RNO.)

Cheers

-jb

[Richard Ginn]

& you can charge a battery from a vehicle too. I ran a cabin with 2
deep cycle batts, one charging in the vehicle as it was driven, the
other used in the cabin.

Originally I planned to build a generator/hot water maker from a car
engine, but then realized I already had a car engine in the vehicle.
Easy! but no hot water connection, though that was possible (heat
exchanger connected to the vehicle's cooling system with quick
disconnects).