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Author Topic: Avalon A7 announced  (Read 147373 times)
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alexcos20
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September 29, 2017, 08:33:38 AM
 #1541

did anybody tried to use something like https://www.amazon.com/Antminer-120mm-Duct-Cooling-Shroud/dp/B01M0N30QC  on a Avalon741?
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andytranter
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September 29, 2017, 11:20:26 AM
 #1542

Dang - just had the customs charge through - £140 :-/


Made you look!
philipma1957
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September 29, 2017, 12:29:24 PM
Last edit: September 29, 2017, 01:02:10 PM by philipma1957
 #1543

did anybody tried to use something like https://www.amazon.com/Antminer-120mm-Duct-Cooling-Shroud/dp/B01M0N30QC  on a Avalon741?

it will overheat  the miner.

the fan is about 120mm around 5 inches.  it is designed to push air into an empty space not a 5 inch tube.  if it pushs into a tube the tube has to be bigger then the 120mm fan not equal or smaller.  if noise is not an issue put the front of the miner in an 8 or 10 inch flex duct  but the flex duct can only  be  about 12 feet or less before it has issues letting the hot air escape.

I have been testing ideas since the s-5 came out as it was the first  of many loud miners.

http://www.homedepot.com/p/10-in-x-25-ft-Insulated-Flexible-Duct-R6-Silver-Jacket-F6IFD10X300/100142376?keyword=10+inch+flex+duct

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alexcos20
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September 29, 2017, 01:03:23 PM
 #1544

did anybody tried to use something like https://www.amazon.com/Antminer-120mm-Duct-Cooling-Shroud/dp/B01M0N30QC  on a Avalon741?

it will overheat  the miner.

the fan is about 120mm around 5 inches.  it is designed to push air into an empty space not a 5 inch tube.  if it pushs into a tube the tube has to be bigger then the 120mm fan not equal or smaller.  if noise is not an issue put the front of the miner in an 8 or 10 inch flex duct  but the flex duct can only  be  about 12 feet or less before it has issues letting the hot air escape.

I have been testing ideas since the s-5 came out as it was the first  of many loud miners.

http://www.homedepot.com/p/10-in-x-25-ft-Insulated-Flexible-Duct-R6-Silver-Jacket-F6IFD10X300/100142376?keyword=10+inch+flex+duct

thanks!
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September 29, 2017, 01:25:04 PM
 #1545

did anybody tried to use something like https://www.amazon.com/Antminer-120mm-Duct-Cooling-Shroud/dp/B01M0N30QC  on a Avalon741?


the fan is about 120mm around 5 inches.  it is designed to push air into an empty space not a 5 inch tube.  if it pushs into a tube the tube has to be bigger then the 120mm fan not equal or smaller.  if noise is not an issue put the front of the miner in an 8 or 10 inch flex duct  but the flex duct can only  be  about 12 feet or less before it has issues letting the hot air escape.

Stupid follow up question - the front is the part with the fan, right (basically, where the hot air comes out from)?
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September 29, 2017, 01:35:56 PM
 #1546

did anybody tried to use something like https://www.amazon.com/Antminer-120mm-Duct-Cooling-Shroud/dp/B01M0N30QC  on a Avalon741?


the fan is about 120mm around 5 inches.  it is designed to push air into an empty space not a 5 inch tube.  if it pushs into a tube the tube has to be bigger then the 120mm fan not equal or smaller.  if noise is not an issue put the front of the miner in an 8 or 10 inch flex duct  but the flex duct can only  be  about 12 feet or less before it has issues letting the hot air escape.

Stupid follow up question - the front is the part with the fan, right (basically, where the hot air comes out from)?

Yeap.

I will try to mount a vertical duct, maybe I can help the blowout.
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September 29, 2017, 04:45:41 PM
 #1547

Many people planning to pre order 741 on October 2 from Miner Warez? Or the hype is gone?
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September 29, 2017, 04:55:34 PM
 #1548

Anyone know  https://dgb256.online/  DGB pool which is based ckpool   I connected Avalons but hashrate is very low almost 40% loss.   it seems avalons have hard time to mine DGB lol))   anyone experienced same?
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September 29, 2017, 06:19:39 PM
 #1549

Many people planning to pre order 741 on October 2 from Miner Warez? Or the hype is gone?

Perhaps waiting to see reports of customers ordering new receiving new miners.
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September 29, 2017, 06:29:11 PM
Last edit: September 29, 2017, 08:12:55 PM by notabeliever
 #1550

Anyone know  https://dgb256.online/  DGB pool which is based ckpool   I connected Avalons but hashrate is very low almost 40% loss.   it seems avalons have hard time to mine DGB lol))   anyone experienced same?
I'm impressed with that DGB pool as it runs better than the DGB P2Pool using Avalons and is quiet too low invalids.
My A721 has the diff set at 8192 and can't get any higher than 4TH.  
So their is a struggle somewhere with the pool however numbers are better.


give this one a try too
stratum+tcp://sha256.coinstop.me:3002
philipma1957
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September 29, 2017, 10:59:17 PM
 #1551

did anybody tried to use something like https://www.amazon.com/Antminer-120mm-Duct-Cooling-Shroud/dp/B01M0N30QC  on a Avalon741?


the fan is about 120mm around 5 inches.  it is designed to push air into an empty space not a 5 inch tube.  if it pushs into a tube the tube has to be bigger then the 120mm fan not equal or smaller.  if noise is not an issue put the front of the miner in an 8 or 10 inch flex duct  but the flex duct can only  be  about 12 feet or less before it has issues letting the hot air escape.

Stupid follow up question - the front is the part with the fan, right (basically, where the hot air comes out from)?

yes  and  to direct  heat out  of the room  that flex  duct from home depot  is good.

to truly help noise  my video idea will do it.  In my case  I don't care about the heat  as  my garage  is a constant 85-92f all year round from mining.

Does wonders for  stiff back neck etc.

I increase  the  power used in the winter and lower my heating bill.  My garage is around 10 amps  at 240 volts  in summer and 17-18 amps at 240 volts in winter.

I have 3 office spots with gpu rigs mining.  mostly 2 and 3 card rigs  to manage the noise.

I have the solar array with  11kwatts  and we will expand it  over the next year.

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.
 MΞTAWIN  THE FIRST WEB3 CASINO   
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.. PLAY NOW ..
cuteman
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September 30, 2017, 05:26:30 PM
 #1552

I'm curious why you guys seem resigned to taking it. Isn't the proper thing to say, "give me my money back or I'm filing a dispute?"  At the least, you're due a credit for the difference between new and used price.
totally agree, they should explain and reward.
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October 01, 2017, 01:46:19 AM
 #1553

Got my 9/30 batch order from MinerWarez today. They were basically new-in-box condition, the same as when I ordered from Canaan directly. All the cables included and they spun right up - either I got lucky, or the "used" condition miners were just to meet the initial rush.
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October 01, 2017, 05:25:39 AM
 #1554

Got my 9/30 batch order from MinerWarez today. They were basically new-in-box condition, the same as when I ordered from Canaan directly. All the cables included and they spun right up - either I got lucky, or the "used" condition miners were just to meet the initial rush.

That's good to hear! Does MinerWarez charge customs fees or taxes on the order?
philipma1957
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October 01, 2017, 06:51:32 AM
 #1555

Got my 9/30 batch order from MinerWarez today. They were basically new-in-box condition, the same as when I ordered from Canaan directly. All the cables included and they spun right up - either I got lucky, or the "used" condition miners were just to meet the initial rush.

That's good to hear! Does MinerWarez charge customs fees or taxes on the order?

In the USA  zero issues  maybe if you are in Washington State  there is sales tax.

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 MΞTAWIN  THE FIRST WEB3 CASINO   
.
.. PLAY NOW ..
cuteman
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October 01, 2017, 08:40:02 AM
 #1556

Got my 9/30 batch order from MinerWarez today. They were basically new-in-box condition, the same as when I ordered from Canaan directly. All the cables included and they spun right up - either I got lucky, or the "used" condition miners were just to meet the initial rush.

That's good to hear! Does MinerWarez charge customs fees or taxes on the order?

In the USA  zero issues  maybe if you are in Washington State  there is sales tax.
Did you pay any?
wavelengthsf
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October 01, 2017, 04:32:47 PM
 #1557

Got my 9/30 batch order from MinerWarez today. They were basically new-in-box condition, the same as when I ordered from Canaan directly. All the cables included and they spun right up - either I got lucky, or the "used" condition miners were just to meet the initial rush.

That's good to hear! Does MinerWarez charge customs fees or taxes on the order?

None for me - I'm in the US so it was just the cost I paid at checkout and nothing extra.
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October 01, 2017, 06:34:10 PM
 #1558

Got my 9/30 batch order from MinerWarez today. They were basically new-in-box condition, the same as when I ordered from Canaan directly. All the cables included and they spun right up - either I got lucky, or the "used" condition miners were just to meet the initial rush.

That's good to hear! Does MinerWarez charge customs fees or taxes on the order?

In the USA  zero issues  maybe if you are in Washington State  there is sales tax.
Did you pay any?

I was not charged . I live in New Jersey.

But I do very clean tax returns and when I file with New Jersey I make a sales tx payment every year.

This is due to my IRS background .  Many people do pay sales tax. Like I do. After the fact.

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.. PLAY NOW ..
Zmkarakas
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October 01, 2017, 06:46:52 PM
 #1559

Do any of you have good experience using the voltage offset +1 option? Do you see any improvement in hashrate or is it just waste of electricity?

Sometimes on this option, I do get a reduced hashrate instead of an improvement.
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October 01, 2017, 10:54:00 PM
 #1560

Do any of you have good experience using the voltage offset +1 option? Do you see any improvement in hashrate or is it just waste of electricity?

Sometimes on this option, I do get a reduced hashrate instead of an improvement.

0 and -1 work well. 

+1.  Not good.  Most likely a hot psu is need .ie 12.5 volts on the button

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 MΞTAWIN  THE FIRST WEB3 CASINO   
.
.. PLAY NOW ..
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