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firebook water-cooled
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rag on a muffin
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Apr 24, 2004, 06:21 PM
 
i was thinking of making a watercooled firebook stand, but i need ideas. especially for the membrane between the water and the powerbook. i am drawing a picture of my design now.
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rag on a muffin  (op)
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Apr 24, 2004, 08:33 PM
 
ok, i made a side image, i will soon make a front, and a back one.



ph34r my l337 ph0705h0pp1n6 5k1ll2
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f1000
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Apr 24, 2004, 09:25 PM
 
Water cooling is overkill. Just get a big plate of aluminum (or some other highly thermally conducting material) and place a silicone pad onto it that has been trimmed to match the bottom of your PowerBook, and then place your computer onto it.

http://www.dwr.com/images/zoom/zm_1483_6.jpg
http://www.bergquistcompany.com/tm_gap_pad_list.cfm
     
rag on a muffin  (op)
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Apr 24, 2004, 09:28 PM
 
ok. so silicone is highly conductive as well? ok ill try that.
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tooki
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Apr 27, 2004, 12:10 AM
 
Silicone is not thermally conductive at all -- they sell silicone oven mitts. You can plunge your hand in boiling water and not feel a thing.

Thermal pads are made of something altogether different, but you have to understand that most of them are basically pads of mushy goo that leaves residue. Not useful for what you're suggesting.

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f1000
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Apr 27, 2004, 07:02 AM
 
A 'silicone pad' is a polymerized silicone embedded with a powderized phononic conductor such as alumina. These are NOT the same kinds of pads that Tooki is talking about.

A silicone pad may be tacky, but it isn't mushy. If the tack bothers you, cover the pad with Saran Wrap.

     
rag on a muffin  (op)
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Apr 28, 2004, 11:20 PM
 
so their a little sticky? ok. i might continue with my idea of water-cooling a stand just for the heck of it, right after i build my steady-cam which is more important.

thanks for all your help guys.
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f1000
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Apr 28, 2004, 11:43 PM
 
Placing your PowerBook directly onto a thin elastic membrane underneath of which there is water flowing sounds like an all-around bad idea to me. If you use a metal membrane instead, then you will still need a gap filling material to establish good thermal contact between the PowerBook and the membrane.
     
rag on a muffin  (op)
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Apr 29, 2004, 12:59 AM
 
thats what i was thinking of doing. im looking for something right now. (lol one o'clock in the morning and have to go to school at 6:15.
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