[hpsdr] Munin heat sink and spreader

[Michael Young]

I would make a cup of tea, put out some transfer dye, and just have at it with the file. I thought you old tool and die guys did this sort of thing by hand scraping. If I really wanted a project, I suppose it wouldn't take much coaxing on flattened water stones to put a mirror finish on the soft aluminum, possibly with a second cup of tea.

AA8K73 GMail <aa8k73 at gmail.com> wrote:

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>
>
>The copper spreader is fine, the aluminum sink is curved.  The 
>spreader is only 3 cm wide, so it's a narrow trough.  Still a 
>lot of metal to remove.  And the challenge of making it flat. 
>Maybe I'm talking myself into milling it.
>
>My father was a tool maker.  You guys are artists.
>
>
>On 10/10/2013 06:26 AM, Tim ORourke wrote:
>> You would have to spend a lot of energy with a file to remove 1mm from copper with a file!
>> Old tool maker here Tim W4YN
>>
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