Newbie need help modding a 2D Mag

[sbelyo]

My goal is to mod my 2D Maglite. This is my first project so I'm a little in the dark on what to buy and how it goes together.

I want to use a PTS-2D Heatsink
3 Luxeon Stars 3W
Shark converter board

As far as a power supply goes it looks like I want 6 or 7 AA's so I need to find a battery holder.

I need suggestions on reflectors and battery holders. I plan to get everything I can from the sandwich shop. But if there are other places please suggest.

Also please let me know if I left anything out of my shopping list?

 

[Nereus]

You may find this tutorial of mine interesting.

-N

 

[sbelyo]

Thanks...

I still need to find a battery holder

 

[shakeylegs]

Try:
http://www.candlepowerforums.com/vb/showthread.php?t=176185
http://www.candlepowerforums.com/vb/showthread.php?t=176683
or perhaps two of these http://www.kaidomain.com/WEBUI/ProductDetail.aspx?TranID=3294

 

[sbelyo]

I just ordered some holders from kaidomain

Now, my only other question is what is the difference between these LED stars?

http://theledguy.chainreactionweb.com/product_info.php?cPath=48_52_29_33&products_id=830
http://theledguy.chainreactionweb.com/product_info.php?cPath=48_52_29_33&products_id=371

 

[Gunner12]

I would skip over the Luxeon IIIs if you haven't ordered them yet. The Seoul P4 U bin LEDs(Along with the Cree XR-E P4-R2 bin and Luxeon Rebel 100) have a bit more then double the efficiency of the Luxeon I, III, V and K2 LEDs. For the sasme power, the newer LEDs will put out twice or more light.

If you need a low price, DX has Seoul LED on a star for $6 shipped(Shipping takes about a month, they are also available at the CPF marketplace and at the Sandwich Shoppe).

This thread would help wit Flux, Vf and tint.

 

[sbelyo]

Thanks...

That's awesome info. I'm going to use 3 of the SSC P4 on stars. Will the shark driver work?

Also what reflectors will fit with the SSC P4 and PTS-2D heat sink ?

 

[Gunner12]

Well, Nereus used the shark to drive 4 Seoul LEDs so three LEDs should be fine. They are around the same Vf as the Luxeons IIIs.

Seouls work well with smooth reflectors so I think the IMS 20 would work(can someone confirm this?).

 

[sbelyo]

In the sandwich shop there is a kit with the pts2d and 3 McR17XR

Those are 17mm reflectors. If you check out the reflector info it says designed to fit in the PTS-2D heatsink.

I don't know if they fit the SSC P4 but that implies to me that 17mm reflectors are what I need?

I see 17mm IMS here
http://theledguy.chainreactionweb.com/product_info.php?products_id=429

 

[sbelyo]

Here's a question about driving the 3 P4's

Do I need it at all? Or what benefits does it have?

Can I just use a resistor to limit the current? I'll be using 7.5 volts to power them

 

[Gunner12]

I'm guessing by "IT" you mean the driver.

You could direct drive(3.5v to the LED, you probably don't need a resistor) them but a driver would give you more regulated runtime and more output.

 

[sbelyo]

Yes, the driver... Thanks

With the shark board outputting 26V is that too much for 3 ssc p4's in series?

 

[Gunner12]

I think you should ask Nereus to make sure.

 

[sbelyo]

I think I'm close....

I need someone to verify what reflectors fit in the PTS2-D and work with SSC P4 and Cree XRE Stars

 

[Greg G]

Yes, the driver... Thanks

With the shark board outputting 26V is that too much for 3 ssc p4's in series?

The Shark regulates the current going to the LED's. Since it is a boost driver you have to hold the input voltage (battey pack) to equal or less than the accumulated Vf's of the 3 P4's, which should be around 9.75 (3.25x3=9.75) volts in your case. 6 AA NiMH batteries will have 7.2 volts so you're good to go.

 

[Spypro]

I have some questions too about modding a 2D with 4 or more emitters.

What do I need ? (correct me if I'm wrong):
4, 5 or 6 Q5 on stars
1 heatsink
UCL lense
4, 5 or 6 reflector
6 or 8 AA (nimh)
An adaptor for the cells
A driver (Shark or Maxflex)
Wires
Thermal paste

So... I would like to build something with 4, 5 or 6 Q5. In opinion, 6 emitters is maybe too much but 4 or 5 using 6 AA nimh looks like a good idea.
What are my goals ?
Driving the emitters to its fullest without damaging them. 1000mah would be pretty nice. Runtime ? 1 hour would be cool.

So: 4 or 5 emitters, ~1000mah, Q5, ~ 1 hour runtime

What do you think ?

Thanks !

 

[sbelyo]

The Shark regulates the current going to the LED's. Since it is a boost driver you have to hold the input voltage (battey pack) to equal or less than the accumulated Vf's of the 3 P4's, which should be around 9.75 (3.25x3=9.75) volts in your case. 6 AA NiMH batteries will have 7.2 volts so you're good to go.

It sounds like it'll work for me then. What current should I adjust for?

 

[Greg G]

It has a trim pot that you adjust. The highest current it will provide to the LED's is 1000ma.