Arc LS SSC P4 Flupic Mod

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darkzero

darkzero

Flashaholic* ,
Joined
Oct 7, 2003
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4,459
Location
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I know similar mods like this have been done before. Posting this for the owner. The light is a real performer. Hope he enjoys. :wave:

-Arc LS1
-SSC P4 USXOH
-Modified Aleph Escrew
-0.77" Flupic
-Modified McR-18S
-Mineral Glass Lens
-AW R123
-TSP Machined my wquiles (Thank you!)


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Will, you seem to have those compressed light engines down to a fine art, just like the P7 one you made. :twothumbs
It's amazing what you are fitting into such small lights.:crazy:

I'm sure the owner of this Arc will be delighted.

Colin.
 
Thank you for the kind word Colin & Miguel. :wave:

Miguel, I shortened the e-screw along with the reflector & the TSP was bored to eliminate the gap between the head & TSP.
 
darkzero said:
None of this would have been possible if it weren't for you. I got the idea from your LS3 heatsink thread (which by the way I also have in the works) & the info you gave me on how much shortening a McR-18 reflector needs when I came back to CPF here. Thanks Miggy. :thumbsup:
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I can't take credit for the McR18 shortening technique. I picked that one up from Derek (mosport).

As far as the LS3 heatsink thread... it'd be extremely cool if somebody brought the design to life!
 
I am the proud owner of that superbly modded LS. Big thanks to Darkzero and Wquiles. The finished product is incredible. The light is unbelievably bright. The beam reminds me of a SF L4, only without the heat. Darkzero's work is top notch.Very clean and precise work. I recently purchased a Ra Twisty and a Ex-10, but this mod has become my edc. In fact I'm sending Darkzero another LS to mod ! :thumbsup:
 
TIP AND RING said:
I am the proud owner of that superbly modded LS. Big thanks to Darkzero and Wquiles. The finished product is incredible. The light is unbelievably bright. The beam reminds me of a SF L4, only without the heat. Darkzero's work is top notch.Very clean and precise work. I recently purchased a Ra Twisty and a Ex-10, but this mod has become my edc. In fact I'm sending Darkzero another LS to mod ! :thumbsup:
Click to expand...

You are very welcome 😉

Will
 
TIP AND RING said:
I am the proud owner of that superbly modded LS. Big thanks to Darkzero and Wquiles. The finished product is incredible. The light is unbelievably bright. The beam reminds me of a SF L4, only without the heat. Darkzero's work is top notch.Very clean and precise work. I recently purchased a Ra Twisty and a Ex-10, but this mod has become my edc. In fact I'm sending Darkzero another LS to mod ! :thumbsup:
Click to expand...

You are very welcome. Anytime you need something I'm more than happy to help. A pleasure working for you! I'm happy that you are happy. :twothumbs

Big thanks to Wquiles as well. I'm making him my new machinist! :grin2:
I'm sorry I gave you so much trouble with the latest project though. 😱
 
Excellent mod DarkZero and I wonder if you can answer a few questions...I also very much like the clean and precise look of that circuit package you have made.

Does the heatsink screw into the body and then you also screw the factory locking ring in behind it as well?

Basically this mod uses nothing from the factory light as far as the internals other than the locking ring??

Looking at the photos it appears the factory locking ring is the last section to be screwed into the bezel. I was wondering how you screw the circuit into the bezel since it is used upside down with no slots to grab and screw in. Is it simply dropped in thus the need for the factory locking ring?

Last question is can I get any of these bare heat sinks anymore and if so could this mod be done using the factory Arc circuit board and Seoul emitter?
 
Robocop said:
Excellent mod DarkZero and I wonder if you can answer a few questions...I also very much like the clean and precise look of that circuit package you have made.

Does the heatsink screw into the body and then you also screw the factory locking ring in behind it as well?

Basically this mod uses nothing from the factory light as far as the internals other than the locking ring??

Looking at the photos it appears the factory locking ring is the last section to be screwed into the bezel. I was wondering how you screw the circuit into the bezel since it is used upside down with no slots to grab and screw in. Is it simply dropped in thus the need for the factory locking ring?

Last question is can I get any of these bare heat sinks anymore and if so could this mod be done using the factory Arc circuit board and Seoul emitter?
Click to expand...

Thank you sirs.

Yes the heatsink screws into the body followed by a lock ring.

The only parts used for the internals from the original light are the two lock rings. The other one is holding the reflector & lens.

The Flupic is potted to the heatsink. If you look closely at the pic showing the Flupifc, there are two holes that I drilled right about the 5 o'clock & 10 o'clock positions. These holes are what I use to screw the light engine into the body. The lock ring is used to lock the light engine in place once I have centered the emitter through the reflector & makes the negative connection for the Flupic to the body.

I opted for a threaded heatsink so it would provide better thermal transfer to the body unlike the stock light engine where the heatsink really doesn't come in contact with the body at all. With the stock light engine, heat transfers from the heatsink to the bottom circuit board laminate then through the lock ring.

In all my Arc LS mods that I have posted pictures on, the blue heatsinks are Aleph e-screws that I have modified. I haven't seen them purchased seperately for some time now but you can buy a complete Aleph LE kit to get it if you are able to catch them in stock at the Shoppe. I'm currently waiting on some of my own similar heatsinks getting made.

The stock board can also be modded & current raised. Here are some mods I have done to the stock boards:

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Well thank you for the information and I will be watching closely for the sinks to become available.....it is just a clean look and an added bonus is that it is more functional.

All of my LS models (4 total) have the current raised by adding an extra r15 resistor. I like the added output however heat has always worried me due to the factory design. There have been many old threads that toyed with the issue of a readily available screw in type heatsink yet from what I remember nothing really came about.

Thanks for the added information and again this is a very nice mod to an already classic design.
 
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