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Aleph Customisation Advice Needed

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SJACKAL

Enlightened
Joined
Jun 28, 2004
Messages
967
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Singapore
Newbie needs help. /ubbthreads/images/graemlins/help.gif /ubbthreads/images/graemlins/icon15.gif I was thinking I should ask around here first before bugging Don, who is probably busy. /ubbthreads/images/graemlins/grin.gif This is my first time taking an interest in custom lights so please bear with my noobness. /ubbthreads/images/graemlins/crazy.gif

In short, I want a single CR123 light to supplement and backup the incandescents I am already carrying. So with the Xenons in hand, I don't really care for throw for the LED and therefore I am more inclined to Lux V instead of Lux III. Most of the time I will probably be using it on low level as an area flood light for mid to low profile illumination. On the other hand, I want it as bright as it can be for the occasional 'wall of intense bright light', in other words I will only use the high level for momentary burst of a minute or two. Hence for the high level, need it as bright as possible and runtime is not a concern, since most of the time will be using the low level.

Therefore, what driver to should be used to drive the 5 watter to its max, or even overdriving it? /ubbthreads/images/graemlins/confused.gif What could the runtime be roughly? BB750? What about 1000? /ubbthreads/images/graemlins/naughty.gif What will be the estimated resulting lumens?

For the McE2S, how much ohm resistor for the low level to keep it at about approximately 10-15 lumens? What will be the runtime be for the low levels? /ubbthreads/images/graemlins/help.gif

For the head, I am more inclined to the Aleph 1 instead of Aleph 2 to retain a bit of throw, looks nicer too, what will you choose?

If all goes well, this is gonna be my first custom light! Thanx in advance! /ubbthreads/images/graemlins/wink.gif
 
If you're intending to run it on 1xCR123, then you'd probably be limited to a BB500 LuxV. Anything higher than that, the poor single CR123 won't be able to cope with the required current draw and the voltage would probably nose dive. Don't know about the runtime on BB500 LuxV, but I'm pretty sure someone else can chime in here.. /ubbthreads/images/graemlins/smile.gif

From my search around the board, 2xCR123 would be able to sustain BB750 LuxV, giving up to 45-50 minutes of runtime on high.
 
Isn't 2XCR123 supposed to use DB917? I am confused, sorry I know nuts about these stuff. /ubbthreads/images/graemlins/frown.gif
 
You're not going to get 1000ma or even 750ma with a single 123 cell. If you really need this level, you'll have to go to two cells. If size is a concern, you might think about 2xCR2 cells in the mid-sized body.

1000ma is fine for a Luxeon V in the light engine, especially if you're only going to use it for short bursts. The actual output lumens will vary considerably based on the particular emitter you use.
 
[ QUOTE ]
SJACKAL said:
Isn't 2XCR123 supposed to use DB917? I am confused, sorry I know nuts about these stuff. /ubbthreads/images/graemlins/frown.gif

[/ QUOTE ]

If you're using 2x123 cells, you would need a downboy for a Luxeon III but you'll still need a badboy for a Luxeon V.
 
[ QUOTE ]
SJACKAL said:
Isn't 2XCR123 supposed to use DB917? I am confused, sorry I know nuts about these stuff. /ubbthreads/images/graemlins/frown.gif

[/ QUOTE ]

2xCR123 will run a LuxIII on DB917... Due to the higher voltage on the LuxV, you will still need a BB driver for running on 2xCR123. Take a look at this thread by bernhard for a summary of the available drives and how they compare.. /ubbthreads/images/graemlins/grin.gif
 
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Get a X binned LuxV with BB750 on 2x123, 1x123 cannot do it.

If you really must have 1x123, then get a TW4 which is a KL4 head with E1E body and Z52 LOTC, run on 1xRechargable123.

You can meet up with s2k or me to see it yourself, both of us EDC a TW4.
 
See this page for the runtime of the BB500/Luxeon V (WX1S)/1x123 combo. Even with this not-so-high-output BB and very-low-Vf Luxeon V, the single CR123 cannot provide enough power to keep regulated.
 
I have a 5W WX0V BB500 in a McLux PR head that works fine with an Aleph 1x123 body & McE2S 22ohm or 15ohm. You should have joined us tonite to check out these lights. /ubbthreads/images/graemlins/smile.gif The TW4 with a 2-stage tailcap as suggested by albert should suit your needs too.
 
My suggestion would be an Aleph2 head with a BB/700 on a 1x123 pack. I would also invest in one or two of JSBurly's new rechargeable 123's for use in it.
I have gotten at the very least 30 minutes of run time on a 5W running on a BB/833 driver using JS B's rechargeables.
Just my $0.02 worth.

mut
 
dito to almost all.

On 1x123 a BB500 LuxV is the nicest compromise that will give you about 30min runtime on high and very long on low. I'd go with 15 or 22 ohms in the McE2S and an 27mm Aleph1 head for a medium flood/throw combo, the best of both worlds. The really neat thing is that you can use this head also on 2x123 should you want to do so for extra runtime and brightness. Of course 2xCR2 work, too, but have less capacity.

Aleph1 on 1x123 and 2x123, both possible with a head like this:
Aleph1Series.jpg



1,5 x 123 / 2 x CR2 / PILA body, this time with a McLux PR/T head:
AlephTiN.jpg



McLux-PR/T BB500 W4V (is roughly similar to the Aleph we are talking about):
rl_led_10_prt_w4v_500.jpg


SF L4:
rl_led_06_l4.jpg



McLux-PR BB750 X3T on 2x123:
rl_led_11_pr_x3t_750.jpg



bernhard

P.S.: kj ... did Don give you a sticky thread finally? /ubbthreads/images/graemlins/grin.gif /ubbthreads/images/graemlins/grin.gif
 
Thanx everyone for the inputs. Its now time to absorb the information and consider. Got too much things in my head recently... Having a headache.
 
mut:

Just wondering how you got 30 minutes of runtime from a Lux-V BB833 running the new JSB123 when I only got 12 minutes from a Lux-V BB750? Where those the bare cells from earlier?
 
[ QUOTE ]
wptski said:
mut:

Just wondering how you got 30 minutes of runtime from a Lux-V BB833 running the new JSB123 when I only got 12 minutes from a Lux-V BB750? Where those the bare cells from earlier?

[/ QUOTE ]
I am doing a little better run time on it right now.
I will post pictures after it is done.
I could be wrong about the time, but I don't think so.
mut
 
[ QUOTE ]
mut said:
[ QUOTE ]
wptski said:
mut:

Just wondering how you got 30 minutes of runtime from a Lux-V BB833 running the new JSB123 when I only got 12 minutes from a Lux-V BB750? Where those the bare cells from earlier?

[/ QUOTE ]
I am doing a little better run time on it right now.
I will post pictures after it is done.
I could be wrong about the time, but I don't think so.
mut

[/ QUOTE ]

/ubbthreads/images/graemlins/awman.gif I was wrong.
Here is a link to the pictures of the run time
It turned off about nine minutes after the second picture. Took it out and the reading was negative. Let it sit for about ten minutes and it read 3.789 popped it back in and ran upto and past the last pictures time.

/ubbthreads/images/graemlins/oops.gifSorry I was off.
Please don't /ubbthreads/images/graemlins/twakfl.gif /ubbthreads/images/graemlins/twakfl.gif /ubbthreads/images/graemlins/whoopin.gif /ubbthreads/images/graemlins/whoopin.gif me.
I still think it is a great length of time for it to be running at full power.

mut
 
[ QUOTE ]
mut said:
[ QUOTE ]
mut said:
[ QUOTE ]
wptski said:
mut:

Just wondering how you got 30 minutes of runtime from a Lux-V BB833 running the new JSB123 when I only got 12 minutes from a Lux-V BB750? Where those the bare cells from earlier?

[/ QUOTE ]
I am doing a little better run time on it right now.
I will post pictures after it is done.
I could be wrong about the time, but I don't think so.
mut

[/ QUOTE ]

/ubbthreads/images/graemlins/awman.gif I was wrong.
Here is a link to the pictures of the run time
It turned off about nine minutes after the second picture. Took it out and the reading was negative. Let it sit for about ten minutes and it read 3.789 popped it back in and ran upto and past the last pictures time.

/ubbthreads/images/graemlins/oops.gifSorry I was off.
Please don't /ubbthreads/images/graemlins/twakfl.gif /ubbthreads/images/graemlins/twakfl.gif /ubbthreads/images/graemlins/whoopin.gif /ubbthreads/images/graemlins/whoopin.gif me.
I still think it is a great length of time for it to be running at full power.

mut

[/ QUOTE ]
/ubbthreads/images/graemlins/nana.gif
 
It was still about 6 minutes longer than your run time. /ubbthreads/images/graemlins/nana.gif
/ubbthreads/images/graemlins/crackup.gif /ubbthreads/images/graemlins/crackup.gif
My bad.
I will have to try a run time with a DB/917 sometime soon.

mut
 
What would be the case if I choose to use Lux III instead of Lux V? Can I use BB750 or higher then?
 
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