Help me build a 2000+ lumen light?

hk dave

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Jan 11, 2010
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122
Hey guys... so with the help of Ti-force and many others... i finally finished building two 3D maglites with shining beams 3 mode drivers along with SSC P7 D bin emitters... THANK YOU!!!

I'm itching to do something brighter...

Any suggestions? I was thinking along the lines of an SST-90? Can those be used in a maglite? Still have a heatsink left over that was made for an SSC P7, wonder if i can use it.

So the questions...

Anyone get an SST-90 running in a maglite?

Can the SST-90 run off 3D nimH cells or should i be looking at Lithium Ion at this point?

My buddy that has a CNC machine said he'd might make me a heatsink made of pure copper... he thinks it would displace the heat of the emitter to the aluminum body of the maglite faster... yay or nay?

With the SST-90, anyone know of a good multimode driver to go with it?

Thanks in advance! :D Building flashlights is addicting!
 
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Linger

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Feb 17, 2009
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Kingston ON
seach my friend.
There's a whack of -50 and -90 m@glight threads, dozens of them. And they talk about all the questions you have. Quicker then posting and waiting for a reply, is search (e.g. sst-90 m@g mag mod).
Search: because the answer is already there.

Good luck, you'll be amazed at the info, and better yet, there's build pics and beamshots to find.
 

Al Combs

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Jul 2, 2007
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872
I'm working on an SST-90 in a Mag2D body myself. I shamelessly stole this excellent idea from LED Zeppelin on how to convert a P7 heatsink for use with a Luminus LED. I was lucky enough to snag the last fivemega finned MagD head. If you know a machinist, both of these mods should be easy. A 2mm thickness with 50/50 spacing is probably about right for convection. The flutes on the reflector housing are more decorative and actually decrease the head's surface area for heat dissipation. I'm using Arctic Silver compound on the copper insert, between the heatsink and battery tube and less obviously, between the reflector housing and the battery tube. Use it on the thread area, not the O-ring. That will make focusing really tough, but how often do you really need to do that. Or if you do, maybe the flutes are a good idea.:) With all that I don't expect 30 watts to take more that a few minutes to reach the limit before you need to cool it down. I'm using DIWdiver's linear regulator with 4 Sanyo CP-1700SCR 4/5SubC NiCads. I've seen a few posts saying you can't reach 9 amps with just 3 NiMH. And of course 4 is too much without a regulator. I get an extra 10 watts from the regulator at full power for a total of 40 watts. But I can run it continuously in the 2.5 amp mode. Roughly the same as a P7. So it's a good trade off. I can save the holy crap 10 amp mode for times I really need it. :devil:

Copper is unusual in that its thermal conductivity is twice that of aluminum. But its specific heat is much lower. You could think of specific heat as storage ability or the amount of heat necessary to raise its temperature. It takes more heat to raise the temperature of a cubic centimeter of water than the equivalent volume of copper the same amount. If the whole heatsink were copper, it would probably cook the poor LED. That's why I think the LED Zeppelin idea is so good. The copper conducts the heat through the core of the heatsink instead of just radiating from the front side only. But the copper core is small enough to not store too much heat. Read post #18 by milkyspit in this Gotham thread to get the idea. A Ctrl-F browser search for copper will bring you to the right spot.
 
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hk dave

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Joined
Jan 11, 2010
Messages
122
seach my friend.
There's a whack of -50 and -90 m@glight threads, dozens of them. And they talk about all the questions you have. Quicker then posting and waiting for a reply, is search (e.g. sst-90 m@g mag mod).
Search: because the answer is already there.

Good luck, you'll be amazed at the info, and better yet, there's build pics and beamshots to find.

I've never had luck with the search tool... maybe it's my browser... before posting i typed exactly what you said and i got nothing. :(

I suck at using the search tool.
 

Linger

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Joined
Feb 17, 2009
Messages
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Location
Kingston ON
Also see this post:
https://www.candlepowerforums.com/posts/3353058&postcount=8
For lots of +2000 lumen led build links.


i typed exactly what you said and i got nothing.
That is odd, because I searched those terms before posting them for you (in liue of copy/pasting several m@g build links). Which is also why I mentioned there were lots of build pics and beam shots to be had, I had just looked at the resulting posts.

Here's the same terms, just copy pasted the results

https://www.candlepowerforums.com/threads/238232

https://www.candlepowerforums.com/threads/252348

https://www.candlepowerforums.com/threads/238442&page=2

https://www.candlepowerforums.com/threads/244798

https://www.candlepowerforums.com/threads/240843

https://www.candlepowerforums.com/threads/248810&page=2

https://www.candlepowerforums.com/threads/243474&page=2

:thinking:
Linger

P.S. For Incan builds, it's simple: a JC5607 or FM1909, 3xAW IMR25500's, 2D m@g, Kiu socket. AFAIK there's more incan builds over 2000 then LED.
 
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hk dave

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Joined
Jan 11, 2010
Messages
122
That's really strange... it's not just with CPF... its with other forums too... maybe its my Apple computer? I dunno... search rarely works for me...

Thanks for all the links... looks like i have lots of reading material. You guys rock! :)
 

Mettee

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Aug 5, 2008
Messages
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Location
Arizona
I am finishing a single SST-50 today J...I will let you know what kind of results I get from it. It is a 2D set up.
 
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