Build ram cooler from ruler??

St.Alia-Of-The-Knife · May 5, 2011, 08:04 PM

I have an interesting idea to make a ramsink
i had this stainless steel ruler in math class like this one:

if i cut it into small pieces and stick them to a ram stick and put thermal gel between, it would make a almost perfect ramsink

but here is the question, does the ruler have any kind of transparent finish on it which would not be good for heat transfer, or is it just naked steel?

Plz comment and let me know what you think

DanishDevil · May 5, 2011, 08:06 PM

It probably has some sort of coating on it. A quick sanding with rougher sandpaper would take care of that, though.

sneekypeet · May 5, 2011, 08:11 PM

Heatsinks are just show unless you are using silly amounts of volts or RDRAM (old 800mhz DDR)

A well placed fan will do much more than chopping and taping that ruler

Frick · May 5, 2011, 08:12 PM

Quote:

Originally Posted by sneekypeet

A well placed fan will do much more than chopping and taping that ruler

It would look pretty cool though imo, if done good. If it's implemented in an entire system theme even better.

sneekypeet · May 5, 2011, 08:15 PM

Quote:

Originally Posted by Frick

It would look pretty cool though imo, if done good. If it's implemented in an entire system theme even better.

Cant argue that creativity aspect. I figured I would just save him the work

Spectrum · May 5, 2011, 08:22 PM

that's a very creative idea, but yeah as danishdevil said, give it a quick sand first

sneekypeet · May 5, 2011, 08:25 PM

One other thing..... If you do plan to make these, get thermal adhesive, or devise a clamp to hold the metal on. Typical thermal paste won't hold the weight of that steel

Chevalr1c · May 5, 2011, 08:32 PM

This thermal adhesive tape would do: http://www.akasa.com.tw/update.php?t...del=AK-TT12-80

scaminatrix · May 5, 2011, 08:41 PM

See if marvelous211 still has some of his Shin-Etsu thermal tape
http://www.techpowerup.com/forums/sh...d.php?t=116125

entropy13 · May 6, 2011, 04:03 AM

Try using staple wires instead.

FordGT90Concept · May 6, 2011, 04:51 AM

Quote:

Originally Posted by sneekypeet

Heatsinks are just show unless you are using silly amounts of volts or RDRAM (old 800mhz DDR)

Or FB-DIMMs but those already have a heatsink on them (they'd burn up if they didn't).

Dippyskoodlez · May 6, 2011, 04:59 AM

Not sure how well steel would work. Staples would probably provide better results even with some gunky coating:

aluminum thermal conductivity @ 25C: 250K
Stainless steel conductivity @ 25C: 16K
Copper @ 25C: 401K

Engineering toolbox

Steel will hold heat well, but aluminum and copper will dissipate it much faster given the surface area which is what you want (low load, rapid cooling)

lilhasselhoffer · May 6, 2011, 05:25 AM

I second Dippyskoodlez.

Conductivity is the reciprocal of resistivity. In short, steel conducts 1/10th the heat of aluminum (ballpark figures assuming large variances due to alloying). This is assuming that the metal directly connects to the heat source, and there are no air gaps.

Engineering aside this idea is, at best, a half-baked ghetto mod. They sell aluminum channel at big box improvement stores. It is, through numbers based upon absolutely 0 facts, more expensive to buy a stainless steel ruler (as of this time, raw material prices are about equal) and gut it than to just get aluminum channel.

If you're going to spend money on thermal adhesives (tape or compound), spend money on real heat sink materials. This is an interesting thought exercise, but nothing reasonable once you put some thought into it.

LAN_deRf_HA · May 6, 2011, 11:11 AM

Quote:

Originally Posted by scaminatrix

See if marvelous211 still has some of his Shin-Etsu thermal tape
http://www.techpowerup.com/forums/sh...d.php?t=116125

I sent him a message about it after the thread was locked, never heard back. Not sure what the deal is.

Bundy · May 6, 2011, 11:25 AM

Quote:

Originally Posted by Dippyskoodlez

Not sure how well steel would work. Staples would probably provide better results even with some gunky coating:

aluminum thermal conductivity @ 25C: 250K
Stainless steel conductivity @ 25C: 16K
Copper @ 25C: 401K

Engineering toolbox

Steel will hold heat well, but aluminum and copper will dissipate it much faster given the surface area which is what you want (low load, rapid cooling)

Air @ 25C 0.024

Of course a steel ruler will work and will work well. Certainly better than no heatsink at all.

Just because there are better materials doesn't mean the original suggestion is no good.

micropage7 · May 6, 2011, 03:03 PM

since its made from steel first you need to make sure its really straight coz it would make your ram short circuit if it curvy or something like that
sanding it, just use 1000 or more
but so far its gonna be pretty ghetto

RejZoR · May 6, 2011, 05:44 PM

I've once made 100% hand made RAM sinks from aluminium plates:

It worked and looked pretty cool. The materials used are thick aluminium plates cut into proper size and two sided TESA thermal resistant tape (up to 200°C).

Btw, steel is not a good heat conductor so no one is really using it for cooling. Copper and aluminium. These two metals are the best.
Copper has the best capability to accept heat, aluminium has the best capability to release it. That's why heratpipes are from copper and fins are from aluminium. And also to keep the weight down as the coppe ris significantly heavier.

Bundy · May 6, 2011, 09:19 PM

Quote:

Originally Posted by RejZoR

Copper has the best capability to accept heat,

Yes

Quote:

aluminium has the best capability to release it.

No. It appears that way because it absorbs/stores less heat than copper.

Quote:

That's why heratpipes are from copper and fins are from aluminium.

No, see below and also consider that fin performance is also influenced by air conductivity so surface area is important. This means high performance means lots of fins and therefore weight

Quote:

And also to keep the weight down as the coppe ris significantly heavier.

Agree!

newtekie1 · May 6, 2011, 09:29 PM

Quote:

Originally Posted by Bundy

No, see below and also consider that fin performance is also influenced by air conductivity so surface area is important. This means high performance means lots of fins and therefore weight

Also, for copper to outperform Aluminum, the aluminum has to reach the point where it is saturated with heat. With that many fins, there is so much aluminum that is never reaches the point of saturation.

St.Alia-Of-The-Knife · May 7, 2011, 12:27 AM

i also have aluminium flashing like this, but its less than a millimeter thin and flexible.
Would it hold as much heat as the ruler and would it make a better ramsink?

Bundy · May 7, 2011, 01:30 AM

It doesn't really matter how much heat a heat sink holds, unless you are using it's mass as a buffer against heat spikes.

So yes the aluminium flashing may work better than the steel because it has a higher conductivity. The problem you are introducing is that it's thinkness may be insufficient to adequately carry heat away from the RAM surface to other areas of the aluminium that would dissipate the heat to air.

OneMoar · May 7, 2011, 02:14 AM

meh I think the ruler idea would look bad ass
keep the numbers and such

theJesus · May 7, 2011, 03:17 AM

Quote:

Originally Posted by OneMoar

meh I think the ruler idea would look bad ass
keep the numbers and such

I agree, especially considering that RAM typically doesn't really need much cooling.

RejZoR · May 7, 2011, 04:22 AM

Plus keep in mind that aluminium is easy to craft. Steel is not.

Dippyskoodlez · May 7, 2011, 04:30 AM

pro staplesink

May 5, 2011, 08:04 PM	#1
St.Alia-Of-The-Knife Join Date: Mar 2011 Location: Montreal, Canada Posts: 191 (0.24/day) Thanks: 25 Thanked 32 Times in 20 Posts System Specs	Build ram cooler from ruler?? I have an interesting idea to make a ramsink i had this stainless steel ruler in math class like this one: if i cut it into small pieces and stick them to a ram stick and put thermal gel between, it would make a almost perfect ramsink but here is the question, does the ruler have any kind of transparent finish on it which would not be good for heat transfer, or is it just naked steel? Plz comment and let me know what you think

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May 5, 2011, 08:06 PM	#2
DanishDevil Eligible for custom title Join Date: Oct 2005 Location: Newport Beach, CA Posts: 8,631 (3.10/day) Thanks: 1,361 Thanked 2,018 Times in 1,585 Posts System Specs	It probably has some sort of coating on it. A quick sanding with rougher sandpaper would take care of that, though. __________________ [B/S/T: FS/FT Cisco VPN Gigabit Routers \| WTB] [Logitech Z-5500 Digital Soundroom \| The TPU Darkroom \| The TPU Zune Social \| Tech Net Subscribers Club]

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May 5, 2011, 08:11 PM	#3
sneekypeet Unpaid Babysitter Join Date: Apr 2006 Posts: 19,003 (7.32/day) Thanks: 3,035 Thanked 5,487 Times in 3,950 Posts System Specs	Heatsinks are just show unless you are using silly amounts of volts or RDRAM (old 800mhz DDR) A well placed fan will do much more than chopping and taping that ruler __________________ Hers: ASUS Maximus V Gene / i7 3770K / Swiftech H220 / 4X8GB Corsair Dominators / ASUS GTX660 / Corsair AX-760 / Windows 7 64bit / Fractal Design ARC Midi R2 Test: Gigabyte Z68X-UD4-B3 / i7 2600K / A lot Of Coolers / Ripjaws Currently / HIS HD7950 IceQ Turbo / Silverstone SST-ST85F-G / Windows 7 64bit / InWin D-Frame Limited Edition

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May 5, 2011, 08:22 PM	#6
Spectrum Join Date: Feb 2011 Location: Surrey, UK Posts: 164 (0.20/day) Thanks: 22 Thanked 49 Times in 45 Posts	that's a very creative idea, but yeah as danishdevil said, give it a quick sand first __________________ "the current P5 membership are represented by some of the victorious powers of World War II, along with France, for some reason," - Extract from Wikipedia on the UN security council

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May 5, 2011, 08:25 PM	#7
sneekypeet Unpaid Babysitter Join Date: Apr 2006 Posts: 19,003 (7.32/day) Thanks: 3,035 Thanked 5,487 Times in 3,950 Posts System Specs	One other thing..... If you do plan to make these, get thermal adhesive, or devise a clamp to hold the metal on. Typical thermal paste won't hold the weight of that steel __________________ Hers: ASUS Maximus V Gene / i7 3770K / Swiftech H220 / 4X8GB Corsair Dominators / ASUS GTX660 / Corsair AX-760 / Windows 7 64bit / Fractal Design ARC Midi R2 Test: Gigabyte Z68X-UD4-B3 / i7 2600K / A lot Of Coolers / Ripjaws Currently / HIS HD7950 IceQ Turbo / Silverstone SST-ST85F-G / Windows 7 64bit / InWin D-Frame Limited Edition

May 5, 2011, 08:32 PM	#8
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May 5, 2011, 08:41 PM	#9
scaminatrix Join Date: Mar 2010 Location: By the Channel Tunnel, Kent, England Posts: 2,432 (2.07/day) Thanks: 1,834 Thanked 802 Times in 672 Posts System Specs	See if marvelous211 still has some of his Shin-Etsu thermal tape http://www.techpowerup.com/forums/sh...d.php?t=116125 __________________ MKMods Tribute Rig - the Power of the Community HeatWare Did I make the 2,000,000th post? If an 8 Core can hit 6Ghz with an H100 i'll post pictures of my hot fiance - Pestilence Every day I come to this site, I am reminded why I come to this site every day!!! - Iggster

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May 6, 2011, 04:03 AM	#10
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May 6, 2011, 04:59 AM	#12
Dippyskoodlez Join Date: Jul 2005 Location: Ohio Posts: 4,349 (1.51/day) Thanks: 16 Thanked 237 Times in 194 Posts System Specs	Not sure how well steel would work. Staples would probably provide better results even with some gunky coating: aluminum thermal conductivity @ 25C: 250K Stainless steel conductivity @ 25C: 16K Copper @ 25C: 401K Engineering toolbox Steel will hold heat well, but aluminum and copper will dissipate it much faster given the surface area which is what you want (low load, rapid cooling) __________________ CPU-Z validation sig pics temporarily blocked

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May 6, 2011, 05:25 AM	#13
lilhasselhoffer Join Date: Apr 2011 Location: East Coast, USA Posts: 1,155 (1.48/day) Thanks: 107 Thanked 657 Times in 383 Posts System Specs	I second Dippyskoodlez. Conductivity is the reciprocal of resistivity. In short, steel conducts 1/10th the heat of aluminum (ballpark figures assuming large variances due to alloying). This is assuming that the metal directly connects to the heat source, and there are no air gaps. Engineering aside this idea is, at best, a half-baked ghetto mod. They sell aluminum channel at big box improvement stores. It is, through numbers based upon absolutely 0 facts, more expensive to buy a stainless steel ruler (as of this time, raw material prices are about equal) and gut it than to just get aluminum channel. If you're going to spend money on thermal adhesives (tape or compound), spend money on real heat sink materials. This is an interesting thought exercise, but nothing reasonable once you put some thought into it. __________________ You haven't seen anything until you've seen this. pokes computer Wow! I didn't know the blue screen of death could get a blue screen of death.

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May 6, 2011, 03:03 PM	#16
micropage7 Join Date: Mar 2010 Location: Jakarta, Indonesia Posts: 3,674 (3.19/day) Thanks: 190 Thanked 835 Times in 549 Posts System Specs	since its made from steel first you need to make sure its really straight coz it would make your ram short circuit if it curvy or something like that sanding it, just use 1000 or more but so far its gonna be pretty ghetto __________________ :: New Cases, Tips And All About Your Cases Visit CaseGear :: Don't Ever Ask About Love And Honesty That You Don't Ever Have

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May 6, 2011, 05:44 PM	#17
RejZoR Join Date: Oct 2004 Location: Europe/Slovenia Posts: 3,963 (1.26/day) Thanks: 39 Thanked 752 Times in 540 Posts System Specs	I've once made 100% hand made RAM sinks from aluminium plates: It worked and looked pretty cool. The materials used are thick aluminium plates cut into proper size and two sided TESA thermal resistant tape (up to 200°C). Btw, steel is not a good heat conductor so no one is really using it for cooling. Copper and aluminium. These two metals are the best. Copper has the best capability to accept heat, aluminium has the best capability to release it. That's why heratpipes are from copper and fins are from aluminium. And also to keep the weight down as the coppe ris significantly heavier. __________________ RejZoR's Little Secrets @ rejzor dot tk

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May 7, 2011, 12:27 AM	#20
St.Alia-Of-The-Knife Join Date: Mar 2011 Location: Montreal, Canada Posts: 191 (0.24/day) Thanks: 25 Thanked 32 Times in 20 Posts System Specs	i also have aluminium flashing like this, but its less than a millimeter thin and flexible. Would it hold as much heat as the ruler and would it make a better ramsink?

May 7, 2011, 01:30 AM	#21
Bundy Join Date: Oct 2007 Location: Caboolture, Australia Posts: 1,070 (0.53/day) Thanks: 189 Thanked 165 Times in 141 Posts System Specs	It doesn't really matter how much heat a heat sink holds, unless you are using it's mass as a buffer against heat spikes. So yes the aluminium flashing may work better than the steel because it has a higher conductivity. The problem you are introducing is that it's thinkness may be insufficient to adequately carry heat away from the RAM surface to other areas of the aluminium that would dissipate the heat to air.

May 7, 2011, 02:14 AM	#22
OneMoar Join Date: Apr 2010 Posts: 2,266 (1.99/day) Thanks: 89 Thanked 426 Times in 365 Posts System Specs	meh I think the ruler idea would look bad ass keep the numbers and such __________________ I am not here to be nice, I am not here to be polite BUT I am here to help ...

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May 7, 2011, 04:22 AM	#24
RejZoR Join Date: Oct 2004 Location: Europe/Slovenia Posts: 3,963 (1.26/day) Thanks: 39 Thanked 752 Times in 540 Posts System Specs	Plus keep in mind that aluminium is easy to craft. Steel is not. __________________ RejZoR's Little Secrets @ rejzor dot tk

May 7, 2011, 04:30 AM	#25
Dippyskoodlez Join Date: Jul 2005 Location: Ohio Posts: 4,349 (1.51/day) Thanks: 16 Thanked 237 Times in 194 Posts System Specs	pro staplesink __________________ CPU-Z validation sig pics temporarily blocked