Hybrid Car – More Fun with Less Gas

Commercial vs. homemade hot water panels.? - Page 5

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Posted by Steve O'Hara-Smith on December 9, 2006, 5:52 am
 
On Sat, 9 Dec 2006 17:53:22 +1300


    Now that's a good reason not to use epoxy.


    Hmm I wonder - silicone mixed with metal filings ? The two part
silicone mixes would lend themselves to this quite well.

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Posted by samuel chamberlain on December 9, 2006, 2:59 pm
 
Steve O'Hara-Smith wrote:

just an idear : use both silicone chalk and silicone heat sink compound
, i.e use the chalk to stop rotational movement but use mostly heat sink
compound for better conductivity ?

Posted by Solar Flare on December 11, 2006, 12:55 am
 B.F.Goodrich created fridge gaskets by just that...mixing iron filings
into rubber or plastic compounds...hmmmmm. sound like a good idea.



Posted by Solar Mike on December 11, 2006, 7:39 am
 There are available metal powders of various sorts, they are used for gas
flame metal spraying to build up metal shafts etc. Now that stuff is very
fine and would mix well with a 2 pot silicon to form a heat conductive
media.
I know that powdered aluminium is readily available, used in the boating and
paint industry.

Cheers
Mike (NZ)



Posted by Steve O'Hara-Smith on December 11, 2006, 6:15 pm
 On Mon, 11 Dec 2006 20:39:36 +1300


    That should make a nice space filling heat conductive mix. I may be
building some water heating collectors soon, if so I will try it.

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C:>WIN                                      |   Directable Mirror Arrays
The computer obeys and wins.                | A better way to focus the sun
You lose and Bill collects.                 |    licences available see
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