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Author Topic: How many people stop mining in the summer?  (Read 5846 times)
Signus
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April 27, 2013, 02:57:30 AM
 #21

I wont stop, but I will probably be naked a lot with a fan aimed at my balls.

Too much info, I know. Sorry  Lips sealed

He's got a plan.
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April 29, 2013, 04:48:58 AM
 #22

I use water cooling, strapped to the copper-pipe going into my hot-water tank and sprinkers and tapped into my pool-pump/hot-tub...

Free hot water, lower AC bills, lower electric bills (higher heat = higher resistance = more power consumed)...

Not to mention the hot air is all pumped into the attic, where the 150F GPU air is cooler than the 212F+ attic-air.

That is called ghetto geo-thermal cooling... lol... the cool water coming from underground is a constant 65F here. And I drink coffee all day long, and flush, and shower, and filter the pool, so cooling isn't lacking.

as they say on the interwebs.. pics or it didn't happen  Lips sealed


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April 29, 2013, 05:05:08 AM
 #23

I will probably just downclock the cards so temps stay below an arbitrary limit. I have settled on 70C for that  Roll Eyes
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April 29, 2013, 10:41:46 AM
 #24

I wont stop, but I will probably be naked a lot with a fan aimed at my balls.

Too much info, I know. Sorry  Lips sealed

Lovely
ewitte
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April 29, 2013, 11:14:42 AM
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I will probably just downclock the cards so temps stay below an arbitrary limit. I have settled on 70C for that  Roll Eyes

Same except I have a cap at 80-85C.  The building where I have them shuts off AC on the weekends not sure now much I"m going to have to downclock when its 100 outside lol.

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April 29, 2013, 11:55:30 AM
 #26

well, i didnt expect to still be running the GPUs past mid-march or so.

the temps won't be 95+ F (maybe one or two days) on a regular basis for another 45 days or so... and i dont expect to be running GPUs anymore by then.

but, uh, if it is still worth my time, then, yeah, i'll mine in the summer.  did last summer, too.  just set all the 5830 and *5870's to 0.95v and the 5970's to 0.99

Feel free to join my G2A Goldmine Pyramid Scheme Team, or possibly even buy a Steam game from there.  Maybe. ------- Dacentec Dedicated Servers (Lenoir, NC, USA) from $25/mo & Time4VPS Storage VPS' (Vilnius, Lithuania) from €18/qtr & Hetzner's serverbidding, from ~€20/mo -- had bitcoin nodes & p2pool (dacentec, hetzner) for several years on these.  Only two are affiliate links too, kek!
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April 30, 2013, 04:25:58 PM
 #27

I use water cooling, strapped to the copper-pipe going into my hot-water tank and sprinkers and tapped into my pool-pump/hot-tub...

Free hot water, lower AC bills, lower electric bills (higher heat = higher resistance = more power consumed)...

Not to mention the hot air is all pumped into the attic, where the 150F GPU air is cooler than the 212F+ attic-air.

That is called ghetto geo-thermal cooling... lol... the cool water coming from underground is a constant 65F here. And I drink coffee all day long, and flush, and shower, and filter the pool, so cooling isn't lacking.

Hi Isawhim,

I think your concept is great. I actually believe that the future of mining (especially on GPUs) is dependant on our ability to recycle some of the heat lost.
I'm working on a new 24 GPU rack project (https://bitcointalk.org/index.php?topic=191117.0) and I will experiment with oil cooling in a few weeks. You can find details about the oil cooling option here: https://forum.litecoin.net/index.php/topic,2682.msg18234.html#msg18234
My idea to optimize the heat recycling is to use an Oil/Water plate heat exchanger, which is very efficient and compact.
http://thumbs3.ebaystatic.com/d/l225/m/mFEYW8-VmXxy-REDwW9JH7Q.jpg

With the thermal capacity of the oil, one shower might be enough water flow to cool down a setup for 1 hour or two. If you had the pool (which will "never" go over 40C) you can truly reduce your electricity bill by a considerable amount by never having to warm it up again.
I started a list of potential applications that would allow for the recycling of the heat:


If you think about it, if we could recycle 80% of what's now lost, there would not be that much interest in the ASIC anymore.

Maybe I should sell the 24 GPU rack as a space/water heater ;-)
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May 03, 2013, 06:34:11 PM
 #28

I use water cooling, strapped to the copper-pipe going into my hot-water tank and sprinkers and tapped into my pool-pump/hot-tub...

Free hot water, lower AC bills, lower electric bills (higher heat = higher resistance = more power consumed)...

Not to mention the hot air is all pumped into the attic, where the 150F GPU air is cooler than the 212F+ attic-air.

That is called ghetto geo-thermal cooling... lol... the cool water coming from underground is a constant 65F here. And I drink coffee all day long, and flush, and shower, and filter the pool, so cooling isn't lacking.

Hi Isawhim,

I think your concept is great. I actually believe that the future of mining (especially on GPUs) is dependant on our ability to recycle some of the heat lost.
I'm working on a new 24 GPU rack project (https://bitcointalk.org/index.php?topic=191117.0) and I will experiment with oil cooling in a few weeks. You can find details about the oil cooling option here: https://forum.litecoin.net/index.php/topic,2682.msg18234.html#msg18234
My idea to optimize the heat recycling is to use an Oil/Water plate heat exchanger, which is very efficient and compact.


With the thermal capacity of the oil, one shower might be enough water flow to cool down a setup for 1 hour or two. If you had the pool (which will "never" go over 40C) you can truly reduce your electricity bill by a considerable amount by never having to warm it up again.
I started a list of potential applications that would allow for the recycling of the heat:


If you think about it, if we could recycle 80% of what's now lost, there would not be that much interest in the ASIC anymore.

Maybe I should sell the 24 GPU rack as a space/water heater ;-)


Your rig works in theory but in practice I don't see how you could possibly keep that cool.  I have each card 5 inches apart and if I get them closer then rise 5-10 degrees each.  That's with only 2 next to each other, if I put 3-5 near each other it goes up 20 degrees.  I think you should redesign it with an AC unit attached cause 24 cards is gonna cook toast.
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May 03, 2013, 06:51:39 PM
 #29

61° at 25 tamb, so no problem for me
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May 06, 2013, 01:14:59 PM
 #30

As someone living in South East Asia that has >80% humidity all year round and an average  25°c - 31°c temperature everyday, I find this thread amusing.

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