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Topic: running antminer s5 with no fan? (Read 1542 times)

sr. member
Activity: 338
Merit: 250
January 21, 2016, 01:24:42 PM
#23
Few things:
Firstly, this will destroy ANY warrenty you have oon the product, so if it damages chips they cannot be replaced.
The miners don't tend to run very well without fans,I think that they usually either shutdown, ore make beeping noises.
Also, I understand that there may be exposed cabling on the antminers, so uou will have to use a dense oil (possibly higher than petrol's density), otherwise it could combust!

Just for those that might not understand, you need to use a special mineral oil that doesn't conduct electricity.  Most oils probably would instantly destroy your electrical equipment and may result in an instant, hard to put out, blaze.  I believe the viscosity of the mineral oil used in oil submersion computing is pretty thin, closer to water than to motor oil.
sr. member
Activity: 364
Merit: 250
January 20, 2016, 06:57:34 PM
#22
Phase A (make s5 start mining in oil) completed.

Here is a simple workaround that made my s5 run in an oil bath.
1) I took an old 3 pins fan, remove the blades and plug it into s5's fan position 1. Kept it in air while running. Virtually no noise, since no blades.
2) Connect stock fan to s5's fan position 2 to move the oil. No noise from here either.

The s5 runs fine till I stop it due to high oil temperature after sometime.

Now I will start with phase B, remove the heat from the oil and make the whole system more stylish  Smiley




You could probably use a water jacket for cooling. This is another pipe, outside of the oil pip, that allows running water to run around the oil, cooling it down to around room temperature.

This may actually use up less energy than the radiator that you plan to use.

Other than that, sounds quite good what you have already done!
newbie
Activity: 12
Merit: 0
January 20, 2016, 06:16:05 PM
#21
Phase A (make s5 start mining in oil) completed.

Here is a simple workaround that made my s5 run in an oil bath.
1) I took an old 3 pins fan, remove the blades and plug it into s5's fan position 1. Kept it in air while running. Virtually no noise, since no blades.
2) Connect stock fan to s5's fan position 2 to move the oil. No noise from here either.

The s5 runs fine till I stop it due to high oil temperature after sometime.

Now I will start with phase B, remove the heat from the oil and make the whole system more stylish  Smiley


legendary
Activity: 1500
Merit: 1002
Mine Mine Mine
January 20, 2016, 02:32:06 PM
#20
yslyung:   First attempt indicates that just putting the whole s5 into oil does not work. Motherboard seems to demand air-based RPM, which is not possible in oil, for the large stock fan.   

i said to extend the wires from controller to fan & use the fans to cool radiator ... then u get "air-based rpm" & so called trick the controller.

just submerge the blades i did not say to submerge the whole miner like the russian video.

now i'm confused ?
member
Activity: 71
Merit: 10
January 20, 2016, 12:57:47 PM
#19
All bitmain sh...t has 3 months as a remember.
sr. member
Activity: 364
Merit: 250
January 20, 2016, 12:56:15 PM
#18
Nice a S5 still in the warrenty Huh Huh Wink Wink

Yes! I think so!
Bitmain have to have at least a 12 month warrenty.
The last batch of S5s were released around 6 months ago.
This means that they are still in warrenty.
member
Activity: 71
Merit: 10
January 20, 2016, 12:45:14 PM
#17
Nice a S5 still in the warrenty Huh Huh Wink Wink
sr. member
Activity: 364
Merit: 250
January 20, 2016, 12:19:06 PM
#16
Few things:
Firstly, this will destroy ANY warrenty you have oon the product, so if it damages chips they cannot be replaced.
The miners don't tend to run very well without fans,I think that they usually either shutdown, ore make beeping noises.
Also, I understand that there may be exposed cabling on the antminers, so uou will have to use a dense oil (possibly higher than petrol's density), otherwise it could combust!
newbie
Activity: 12
Merit: 0
January 20, 2016, 12:13:56 PM
#15
VirosaGITS: Thanks for the comment. I have started to read myself up on the fans, to find the possible options :-)

yslyung:   First attempt indicates that just putting the whole s5 into oil does not work. Motherboard seems to demand air-based RPM, which is not possible in oil, for the large stock fan.   
legendary
Activity: 1500
Merit: 1002
Mine Mine Mine
January 20, 2016, 12:40:35 AM
#14
mod the wire of the fan then use the fan to cool the radiator. 2 birds with 1 stone.

agree with the vertical setup. i'm also considering to make a small project using oil immersion just for the fun of it but a little more proper than the 1 in the video.

ideas n suggestions are most welcomed.
legendary
Activity: 1302
Merit: 1068
January 19, 2016, 12:55:15 PM
#13
Thanks all for the nice comments.

NotFuzzyWarm: Agree, very good comment. The original heat sink ribs will prevent an upwards oil flow in the horizontal position.

VriosaGITS:       I thought more about putting a resistor there. The question is then what kind of resistor and resistance is most appropriate.

BitcionLover:     Could be. I take this as a “scientific” experiment Smiley


I do not know if a resistor would give a RPM reading. I am not knowledgeable enough to tell you how electronically, the PMW reading is sent and received. I'm guessing its a pulse set at a certain frequency. The controller board then interpret to a #RPM based on that.

Such hack would be definitively simple to setup, but i dont know if it would work. You will need a fan in there either way so that the oil move through the heatsink, so i would just pick one that will do it without too much noise.
newbie
Activity: 12
Merit: 0
January 19, 2016, 04:42:17 AM
#12
Thanks all for the nice comments.

NotFuzzyWarm: Agree, very good comment. The original heat sink ribs will prevent an upwards oil flow in the horizontal position.

VriosaGITS:       I thought more about putting a resistor there. The question is then what kind of resistor and resistance is most appropriate.

BitcionLover:     Could be. I take this as a “scientific” experiment Smiley
legendary
Activity: 3808
Merit: 1723
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January 19, 2016, 02:13:15 AM
#11
I dont understand why go thru all the trouble when you can get buy a S5 waterblock and just get it water cooled with a small radiator.
sr. member
Activity: 481
Merit: 264
BCMonster.com BTC ZEN HUSH KMD ARRR VRSC ACH RFOX
January 19, 2016, 12:28:15 AM
#10
https://www.youtube.com/watch?v=HkucIueuVU4  or you could leave the fans on.
WTH?Huh What a freakin' idiot...

A) Those poor poor miner fans in the tank! The are not made for turning a miner into a jet ski! Yeeesh  Roll Eyes
Go with the miner vertical. Natural thermal convection will move a surprising amount of fluid without needing to thrash it through. Coupled with flow a correct size pump will provide and you are all set.

B) Ja it looks like the setup in the vid is using a small car radiator - along with the OEM car radiator fans. Not exactly made to be quiet...

I have seen that video before.  That is pretty crazy.
legendary
Activity: 3752
Merit: 2667
Evil beware: We have waffles!
January 18, 2016, 11:40:58 PM
#9
https://www.youtube.com/watch?v=HkucIueuVU4  or you could leave the fans on.
WTH?Huh What a freakin' idiot...

A) Those poor poor miner fans in the tank! The are not made for turning a miner into a jet ski! Yeeesh  Roll Eyes
Go with the miner vertical. Natural thermal convection will move a surprising amount of fluid without needing to thrash it through. Coupled with flow a correct size pump will provide and you are all set.

B) Ja it looks like the setup in the vid is using a small car radiator - along with the OEM car radiator fans. Not exactly made to be quiet...
sr. member
Activity: 338
Merit: 250
January 18, 2016, 11:39:59 PM
#8
https://www.youtube.com/watch?v=HkucIueuVU4  or you could leave the fans on.

Wow I was thinking it would be a quiet setup.

I don't know where the sound is coming from, I don't see the radiator fans moving and the fans in the oil probably aren't making all that noise (or any).  
legendary
Activity: 1096
Merit: 1021
January 18, 2016, 10:57:21 PM
#7
https://www.youtube.com/watch?v=HkucIueuVU4  or you could leave the fans on.

Wow I was thinking it would be a quiet setup.
sr. member
Activity: 338
Merit: 250
January 18, 2016, 10:18:56 PM
#6
https://www.youtube.com/watch?v=HkucIueuVU4  or you could leave the fans on.
legendary
Activity: 1302
Merit: 1068
January 18, 2016, 08:58:23 PM
#5
I think this will cause a lot of heath which you cold use only in winter like this maybe Cheesy

He is basically thinking of making a water cooling like system with oil and, well pretty much a ghetto jury rig. It could work fine, although its a lot of work but little gain, it could be fun to do.
newbie
Activity: 13
Merit: 0
January 18, 2016, 08:55:56 PM
#4
I think this will cause a lot of heath which you cold use only in winter like this maybe Cheesy
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