Where can I get copper discs?

[kurni]

I need 14mm and 10mm diameter; approximately 1mm thick or more.

Any idea? I'm in Sydney / Australia.

 

[Long John]

Any hardware store should have copper water/gas tube end-caps.

You have to saw/dremel the discs out of them.

BTW: the complete copper cap works great as heatsink

Best regards

____
Tom

 

[Illum]

BTW: the complete copper cap works great as heatsink

o rly?!

:thanks: for the tip

 

[Long John]

You are welcome Itn

For best performance the cap should fit pressed contact to the flashlight body/tube/head by using thermal-paste.

Later I will show an example.

Best regards

____
Tom

 

[paulr]

For the 14mm one, maybe you can use a pre-1973 or so penny. After that they started making pennies out of zinc. Actually maybe you can use a dime today (nickel plated copper). Consider it "inflation".

 

[Long John]

At this mod I used a copper-endcap, works perfect :thumbsup::

http://www.candlepowerforums.com/vb/showthread.php?t=157529

Paul, kurni is located in Australia

Best regards

____
Tom

 

[Sigman]

For the 14mm one, maybe you can use a pre-1973 or so penny...

THAT'S what those are?! I wondered why the bank was selling "heatsinks"!

 

[kurni]

Thanks for all the response; I'll try to find the copper end cap and the penny / dime; I have a few US coins stashed somewhere leftover from visiting Disney World Florida. I also have some leftover copper plates coming; I will try to cut them. I just have to remember to wear safety / swimming goggles as I still remember a shard of copper flew to my eyes when I was very little; I don't remember why I cut coppers back then.