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j_dirge
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PostPosted: Fri Apr 03, 2015 6:59 pm    Post subject: Reply with quote

Steve M. wrote:
okay, got a question.
In the stillness of the night when all is quiet...how much noise do these things make?

My Edgestar?
None.
I crank the cold at about 8pm.. take it down to 32 or so.. Then set the thermostat at 40 for the night.. the insulated box holds it thru the night.

But even when it kicks on, its fairly quiet.. If you place the fan vent towards a carpeted wall.. it muffles the sound and is barely discernible from the comforts of bed.
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PostPosted: Fri Apr 03, 2015 5:48 pm    Post subject: Reply with quote

kamzcab86 wrote:
Steve M. wrote:
okay, got a question.
In the stillness of the night when all is quiet...how much noise do these things make?


My ARB is quieter than my O2 Cool fan. I.E., you can hear it, but it's not loud enough to keep you awake.


^^That... its like whisper quiet
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PostPosted: Fri Apr 03, 2015 5:26 pm    Post subject: Reply with quote

Steve M. wrote:
okay, got a question.
In the stillness of the night when all is quiet...how much noise do these things make?


My ARB is quieter than my O2 Cool fan. I.E., you can hear it, but it's not loud enough to keep you awake.
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Steve M.
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PostPosted: Fri Apr 03, 2015 5:09 pm    Post subject: Reply with quote

okay, got a question.
In the stillness of the night when all is quiet...how much noise do these things make?
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PostPosted: Fri Apr 03, 2015 3:54 am    Post subject: Reply with quote

I currently have my Dometic CDF-11 running on a 110-12vDC convertor in my Dining room.

I set the temperature at +10* F, the unit bounces from +8* to +13* as it runs.

I slipped in four room temperature personal sized (16.9 oz ) water bottles.
They were all frozen solid in 3 1/2 hours.

So, the concept of freezing water during a day of driving, while utilizing Alternator energy rather than battery energy, for use as supplemental refrigeration cooling at night (which should lower the energy draw and run time of the electric "Ice Box") ............ is completely possible.

How well this theory works in the real World ...... Remains to be seen!

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PostPosted: Tue Mar 31, 2015 1:13 pm    Post subject: Reply with quote

I Would freeze water bottles, maybe a liter size or so.
My CFL-11 freezes things quite rapidly, I've tested it, just a few hours.

My thinking is that water is good while you drive. Whether you refill the empties or purchase new ones and destroy the planet, the frozen bottle would serve two purposes.
Conserve 12v energy in the refrigerator and provide daytime refreshment as they thaw.

If you want ice cream for desert, pick up a small item to eat that night, turn off the freezer after dinner. Get up, turn on the freezer, pop a few new bottles in (if you leave two in the unit all night it will begin the next day already well chilled).
Take last nights bottles out of the fridge for the days rolling refreshment!

I love it! Laughing

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dobryan
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PostPosted: Tue Mar 31, 2015 1:03 pm    Post subject: Reply with quote

I use a 65qt edgestar and I love it, aux battery and solar too. I'd never go back to using a cooler. I was intrigued by the concept of using the alternator power when running to freeze water to supply ice to a cooler. Not something I would do but it is a neat geeky thing to muse....
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PostPosted: Tue Mar 31, 2015 12:44 pm    Post subject: Reply with quote

djkeev wrote:
Using the small freezer......... my Dometic CDF-11, freeze water during the day while driving and slip those frizen bottles into the 37* unit for the night........

Basically homemade Isotherm "Cold Plate Technology"!

Brilliant!

Dave


I'm struggling with this just as dobryan is. Yeah, milk jugs full of water take longer to melt but they also take longer to freeze. How long are you going to be driving for each day? Think of the space used up to freeze just one milk jug AND a cooler full of food.

My preference is to use an ice chest (numerous reasons), freeze one or two jugs of water before leaving home (only needed on longer trips), and then use the melted water for drinking/bathing as it's available. Toss in a bag or two of ice as needed. We did this during our UT/CO trip last fall and only had to buy 4 bags of ice total for the entire 7 days - and the 3rd and 4th bags weren't needed until day 5. Ambient temps weren't very hot, just 70-75.

Granted, I don't camp nearly as often as I would like but for the cost of a cooler and the electrical/solar mods needed to make it work, I can probably buy ice for 10+ years worth of camping.
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PostPosted: Tue Mar 31, 2015 12:32 pm    Post subject: Reply with quote

dobryan wrote:
davevickery wrote:
One benefit is that frozen milk jugs stay cold a long time. If you drive your van every day or two you can put the freezer into quick freeze mode while driving and not use any battery power.
Idea


Using the small freezer......... my Dometic CDF-11, freeze water during the day while driving and slip those frozen bottles into the 37* unit for the night........ Greatly reducing the call for more cold......

A homemade Isotherm "Cold Plate Technology" system!

Then while underway the next day you've got Ice Cold Bottles of water to enjoy throughout the day from last night!

Brilliant!

Dave
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PostPosted: Tue Mar 31, 2015 12:05 pm    Post subject: Reply with quote

davevickery wrote:
One benefit is that frozen milk jugs stay cold a long time. If you drive your van every day or two you can put the freezer into quick freeze mode while driving and not use any battery power.
Idea
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PostPosted: Tue Mar 31, 2015 10:58 am    Post subject: Reply with quote

JBsurf wrote:
Interesting subject, for all the obvious reasons.

I think I may have this figured out, in my mind anyway.

Hows this sound, get the smallest unit that will freeze, then freeze water bottles or chill paks, then use them in a quality cooler?

No water mess, can be portable, only runs when ice is needed.

Any idea which make of freezer unit fits that bill? Smallest size wise?


I just picked up a Dometic CDF-11

How I ended up getting it......
My thoughts and details on the unit are here.......
http://www.thesamba.com/vw/forum/viewtopic.php?t=6...p;start=40

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PostPosted: Tue Mar 31, 2015 10:31 am    Post subject: Reply with quote

One benefit is that frozen milk jugs stay cold a long time. If you drive your van every day or two you can put the freezer into quick freeze mode while driving and not use any battery power.
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PostPosted: Tue Mar 31, 2015 9:00 am    Post subject: Reply with quote

JBsurf wrote:
Interesting subject, for all the obvious reasons.

I think I may have this figured out, in my mind anyway.

Hows this sound, get the smallest unit that will freeze, then freeze water bottles or chill paks, then use them in a quality cooler?

No water mess, can be portable, only runs when ice is needed.

Any idea which make of freezer unit fits that bill? Smallest size wise?


Why do you want to do this vs using a fridge unit sized to hold what the quality cooler can hold? Each time you add a new step to the process you loose efficiency. There is no free lunch where entropy is concerned. Confused
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PostPosted: Tue Mar 31, 2015 8:43 am    Post subject: Reply with quote

Interesting subject, for all the obvious reasons.

I think I may have this figured out, in my mind anyway.

Hows this sound, get the smallest unit that will freeze, then freeze water bottles or chill paks, then use them in a quality cooler?

No water mess, can be portable, only runs when ice is needed.

Any idea which make of freezer unit fits that bill? Smallest size wise?
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PostPosted: Tue Nov 11, 2014 8:27 am    Post subject: Reply with quote

I'm loving my Truck Fridge!

Just tried it on Freezer Mode........
-02* ......... Warmer than my Daughters home in Montana right now! .....
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A cup of water I put in....... Totally frozen, I laid it on its side.....
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PostPosted: Sun Oct 26, 2014 9:39 pm    Post subject: Reply with quote

matt94gt wrote:
Thanks for the input guys, think you have me sold on the ARB.


Come on Matt, it just like taking the SATs, go with your first guess 'cuz its most likely right 99% of the time Wink .
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PostPosted: Sun Oct 26, 2014 1:06 pm    Post subject: Reply with quote

bluebus86 wrote:
Benefit of an old fashioned ice box verses a built in fridge is it is portable, great when your campsite, picnic area is far from the van, or you wish to keep food cold inside a bear locker, Bear locker use is mandatory in some areas, including parts of California, be forewarned. In some cases full on RV's are sometimes exempted, and food can be kept in them, different regulations at different places apply.

The bear lockers are often painted a dark brown to blend in with the landscape, and ones that get full sunlight can turn into ovens, they are steel and unvented, a real hotbox.

bear boxes can melt your ice fast, so get a roll of reflective bubble pack, or Mylar spaceblanket and cover the exterior of the bear box, that makes a HUGE drop of inside temperature, can double the life of the ice.

even a white table cloth or sheet can drop the inside temp a good deal, or erect a tarp shade over the box if possible. the space blanket, or reflective bubble pack seem to do the best job. the reflective bubble pack is more expensive and bulky than the space blanket, but it likely is slightly more effective, as it has an insulating layer in addition to the silver reflective surface. either do an excellent job.


Thanks for the input guys, think you have me sold on the ARB.
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PostPosted: Sun Oct 26, 2014 11:39 am    Post subject: Reply with quote

Benefit of an old fashioned ice box verses a built in fridge is it is portable, great when your campsite, picnic area is far from the van, or you wish to keep food cold inside a bear locker, Bear locker use is mandatory in some areas, including parts of California, be forewarned. In some cases full on RV's are sometimes exempted, and food can be kept in them, different regulations at different places apply.

The bear lockers are often painted a dark brown to blend in with the landscape, and ones that get full sunlight can turn into ovens, they are steel and unvented, a real hotbox.

bear boxes can melt your ice fast, so get a roll of reflective bubble pack, or Mylar spaceblanket and cover the exterior of the bear box, that makes a HUGE drop of inside temperature, can double the life of the ice.

even a white table cloth or sheet can drop the inside temp a good deal, or erect a tarp shade over the box if possible. the space blanket, or reflective bubble pack seem to do the best job. the reflective bubble pack is more expensive and bulky than the space blanket, but it likely is slightly more effective, as it has an insulating layer in addition to the silver reflective surface. either do an excellent job.
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PostPosted: Sun Oct 26, 2014 11:04 am    Post subject: Reply with quote

matt94gt wrote:
Thats my thoughts. Thanks, but how do they compare to a low drain built in fridge such as the truckfridge or other RV fridges? Thats what Im trying to decide. I do like the fact I can pull it into other cars, or flip if it need the money but just practicality sake vs a built in is my question.


For me, I already had a cooler/ice chest behind the passenger seat. It's also used as a step to get up into the "master suite", plus my Dometic still works and houses beverages and condiments on trips; so, I basically just swapped a cooler for a portable fridge.

I tested my new ARB yesterday: It dropped the battery down 0.5 volts in 7 hours in 94° ambient temp, with one hour being in partial direct sun (fridge was set to 41°).
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PostPosted: Sun Oct 26, 2014 3:07 am    Post subject: Reply with quote

This is my first 12v "ice chest" so I've no comparison to ARB.

The Ice Cube is sold in Australia by Ironman.
They do have a North American Distribution.......
http://www.ironman4x4.com/north-america/

Just like Truck Fridge does, they purchase the Indel line and house brand label it.

http://www.ironman4x4.com/wp-content/uploads/2014/05/icecube_im.pdf

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