Multi-level Tri-LuxIII FlexMag4C/SO20XA

Icarus

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Mod058finishedlight1a800x.jpg


Mag4C, UCL lens, 3xLuxIII TW0J stars + 3x IMS SO20XA reflectors, modamag's PTS-C-cu heatsink, nFlex driver housed in custom made alu holder, switch modified to momentary pushbutton switch (off-on), running on 4xPila150A or 4xLIR 18500 batteries in a custom-made battery holder.

Mod058heatsinkandstarsepoxied1a395x.jpg
Mod058moddedswitch1a395x.jpg

Mod058nFlexinhisownheatsink1b395x.jpg
Mod058nFlexheatsink1a395x.jpg


The copper heatsink is epoxied into the Mag head for better heat sinking.
nFlex driver reconfigured to 1000mA. The driver is not potted.

min Vin to keep the light in regulation = 12.5V.

Lumens output: 3x (67.2 - 87.4) = 201.6 – 262.2 Lumens.
Lux reading at 1m using Meterman LM631: 290 – 630 – 1270 – 2060 – 2910 – 3900 – 5050 - 6260 Lux.

Runtime (in regulation) was 110 minutes (uninterrupted) on 4x protected LIR 18500 (1500mAh) batteries (AW) at the highest level.

You can read more about the nFlex driver here.

Thanks for looking. :)

Update: later the plastic IMS reflectors were replaced by metal McR20 reflectors. It made the light look more professional but unfortunately I don't have any picture of this setup to post. This light served me for nearly 10 years but now (Oct 2014) I'm in the process of rebuilding this light with modern LEDs and another driver. :)
 
Last edited:

Former_Mag_User

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[ QUOTE ]
nemul said:
very nice! almost like porn!

[/ QUOTE ]

Uh-Oh. The FCC is taking over...

Mod058heatsinkandstarsepoxied1a395x.jpg


/ubbthreads/images/graemlins/wink.gif
 

Icarus

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[ QUOTE ]
nemul said:
very nice! <font color="red">almost </font> like porn!

[/ QUOTE ]

/ubbthreads/images/graemlins/naughty.gif
 

Icarus

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[ QUOTE ]
Former_Mag_User said:
[ QUOTE ]
nemul said:
very nice! almost like porn!

[/ QUOTE ]

Uh-Oh. The FCC is taking over... /ubbthreads/images/graemlins/wink.gif

[/ QUOTE ]

Mod058heatsinkandstarsepoxied2a395x.jpg


In this case I prefer three more stars... /ubbthreads/images/graemlins/yellowlaugh.gif /ubbthreads/images/graemlins/crackup.gif /ubbthreads/images/graemlins/crackup.gif /ubbthreads/images/graemlins/crackup.gif
 

reefphilic

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/ubbthreads/images/graemlins/thumbsup.gif Nice work! Got to build one for myself one of these days.

Can you remove the "star" pleaseeee...... /ubbthreads/images/graemlins/grin.gif /ubbthreads/images/graemlins/naughty.gif /ubbthreads/images/graemlins/evilgrin07.gif
 

IsaacHayes

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Is all that white stuff around the stars thermal epoxy? That's a lot!! Or is it GP epoxy. Is this a mag4c or mag2c?? confused there...

How do you remove the head, or you don't as the wires would twist since you epoxied the HS...
 

Icarus

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That "virgin white" /ubbthreads/images/graemlins/naughty.gif stuff you see in the picture is crystal clear epoxy mixed with alumina oxide powder.
The heatsink itself is epoxied to the head using AA epoxy.

As you can read in the title it's a Mag4C. /ubbthreads/images/graemlins/rolleyes.gif
You must be blinded by those yellow stars I guess... /ubbthreads/images/graemlins/grinser2.gif
/ubbthreads/images/graemlins/oops.gif... sorry Isaac, couldn't resist... /ubbthreads/images/graemlins/whoopin.gif /ubbthreads/images/graemlins/yellowlaugh.gif

/ubbthreads/images/graemlins/caution.gif To remove the head to get to the guts the wires to the leds have to be desoldered. /ubbthreads/images/graemlins/caution.gif
 

Icarus

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Thanks for the kind words guys. /ubbthreads/images/graemlins/smile.gif
Hey Benny, I like your new avatar! /ubbthreads/images/graemlins/yellowlaugh.gif /ubbthreads/images/graemlins/thumbsup.gif
 

IsaacHayes

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Ah, ok. Got ya. It looks shorter than it is because of the angle in the pictures. Nice clean mod as always!
 

MorpheusT1

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Icarus,

Thanks,i thought i would turn some heads /ubbthreads/images/graemlins/wink.gif

Funny aint it,that giraff cracks me up everytime.
 

Icarus

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[ QUOTE ]
IsaacHayes said:
Ah, ok. Got ya. It looks shorter than it is because of the angle in the pictures. Nice clean mod as always!

[/ QUOTE ]
You are right, it looks shorter than it is. /ubbthreads/images/graemlins/smile.gif
 

Former_Mag_User

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Jun 4, 2004
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Icarus how do you think 3 stars would run on 4C alkies w/ a fatman? Sort of like a regulated version Tr-Star Phazer from Elektrolumens. I've heard good things about it, and the alkalines seem to run well in it.

EDIT: Except that the alkalines would be constantly pumping 700mA for example. Where without the fatman it would just follow a regular alkaline discharge curve right. I guess now that I think about it NiMh would be better...
 

Icarus

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Hey Danny, if you give me a few days I'll check it. /ubbthreads/images/graemlins/smile.gif
 

Former_Mag_User

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Thanks Icarus. /ubbthreads/images/graemlins/happy14.gif

I want to do a Tri-Lux mod and at first I was going to use a 2D with 6AA NiMh, but I don't like to bother with rechargables. I like the common availablity of Alaklines. Then I remembered about the Phazer, it runs 3 LED's on 4C Cells. I'm hoping to mimic that setup.
 

Icarus

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[ QUOTE ]
Former_Mag_User said:
Icarus how do you think 3 stars would run on 4C alkies w/ a fatman? Sort of like a regulated version Tr-Star Phazer from Elektrolumens. I've heard good things about it, and the alkalines seem to run well in it.

EDIT: Except that the alkalines would be constantly pumping 700mA for example. Where without the fatman it would just follow a regular alkaline discharge curve right. I guess now that I think about it NiMh would be better...

[/ QUOTE ]

Ok, here we go...

3x TW0J on PTS-C; Fatman driver, bench supply

Measurements (Vin, Ie):
7.4V 0.99A
6.0V 0,89A
5.0V 0.74A
4.8V 0.70A
4.0V 0.58A

Same setup but now using 4D Duracell batteries.
Voltage without load = 6.7V

Measurements (Vin, Ie):
5.7V 0.72A (at the start)
5.5V 0.70A (after 2 minutes)

When load was applied voltage dropped immediately to 5.7V.

Conclusion: stick with your idea of using a Mag2D and 6AA NiMh batteries! /ubbthreads/images/graemlins/smile.gif
 
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