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  1. C

    Removing retaining-ring in Aleph-1

    For the particularly stubborn ones, I put the head in the protected jaws of a vice and use popsicle sticks.
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    McR-18 vs IMS 17

    The IMS 17mm is more of a direct replacement for the NX05 optic. It isn't as big in diameter, but it is the same depth. Well, just about anyway. If you are going to replace the optic in a newer KL1 (4th gen), the McR20 will drop right in if you replace the stock lens with something a bit...
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    Modifying McR18

    I really like the McR series of reflectors for everything that I can fit them into, but when you start talking about removing material, you really have to consider what you will end up with. There was a time when I was doing a butt load of E head mods. I was punching out the stock reflector...
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    bezel options for A1?

    Fringe, These aren't as cool as Don's Ti bezels, but I did make up some from casting resin impregnated with glow powder. They're pretty neat in that using the light charges the glow ring. I need to did through all of the trash around my house and see if any of them survived.
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    Aleph info.

    The switch on that light is the standard McE2S switch. Fringe, if you notice that little hole in the bottom right of the switch (in the picture), just in case you didn't know, that is for a button that can be used to clip the light to your belt using a belt clip. it makes the light real handy...
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    Aleph info.

    Tim, I've done light engines in all sorts of colors. Doing a colored LED is really no different from doing one with a white luxeon. I can and have done many light engines with leds of different colors, but I can't take any sort of "mod" credit. The credit goes to Don (McGizmo) for having...
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    Aleph info.

    Fring, First, regarding the reflector in the Aleph II. I use epoxy on the outside of the reflector because it is a semi-permanent fix. You don't have to worry about adapters or pieces of wire falling out, although anymethod that prevents the reflector from moving forward will work. I call...
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    Messed up my Aleph DB 917 with TWOJ LE

    Yeah, this sucks. It's why I never make my solder blob on the contact taller than the rim of the can. Accidents can and do happen, usually when you really need your light too.
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    Aleph info.

    Fringe, When you double the current, as in the two examples of lights that you have, you only gain a 50% increase in light output, which (in the real world) translates into a "perceiveable" increase in brightness. It isn't as drastic as you would think. Of course, as Bernie said, the 917 is...
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    Aleph info.

    Fringe, Since you are relatively new to the flexibility of the Aleph system, I just want to caution you. The electronics inside of these flashlights are sensitive to input voltage. If you mistakenly put the Downboy based light engine on top of the 1X123 body and run it, nothing bad will...
  11. C

    Aleph info.

    The actual Wiz2 is the converter. The light engine consists of the luxeon, heatsink, ecan (converter housing), and the converter. I believe that the term "light engine" was coined to name the assembly. Besides, it's what makes the Alephs "go," so I guess it's appropriate. The amount of...
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    Aleph info.

    Oh, as for the resistance of the two stage switch. When running a NexGen either 10 or 15 ohms usually works well. With a Wiz2, I believe I was using 7.5 ohms for li-ion cells and 4 ohms for primary cells. With the DownBoy, 60 ohms is about perfect.
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    Aleph info.

    I hope I'm answering the right question and correctly. I've been out of circulation for a while and much of this information is of the "use it or loose it" variety. Regarding the Wiz2, it is what is called a buck/boost converter. What this means is that in cases where the voltage of the power...
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    Aleph info.

    Ned, I hope I'm not speaking out of line, but Fringe opted for a NexGen500/TXOJ light engine. This will allow him to run either of his Aleph heads on his 1X123 body. We also decided to go with a 10 ohm resistor PCB for the low mode. I think that Fringe just took my word on this and we'll...
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    Aleph info.

    wasBlinded, You results with your light are curious and, if you don't mind, I have a couple of questions. 1. Have you tried using a buck converter with the H Vf luxeon at a bias over 500mA? If so, were you still getting regulation? Are you sure that you are getting regulation? Did you take...
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    Aleph info.

    If you're going with a single 123 body you DO NOT want to use a downboy. Even with a li-ion cell, you won't get regulation (or if you do, it won't be for long). If you want to feed the light with primary cells, then go with a NexGen converter. If you want to be able to use a li-ion cell, then...
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    Aleph info.

    60 ohms of resistance is about standard for a two cell light running a buck converter. If you are going to a one cell with a boost converter, I'd go to 10 or 15 ohms. All of this is assuming that the light is built around a Lux III.
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    Aleph info.

    bernie, Thanks for the welcome. Although I've been away for a while, it appears that things haven't changed. Darell's still talking about what feels comfortable in his hand. :poke: Darell, Give me a call when you get a chance. I'm going to be working on my shop this weekend. I need to...
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    Aleph info.

    Fringe, Since you already have a PD, an Aleph II may be redundant. I think that the next logical step would be an Aleph I. I've been away for a while and don't remember the current levels at which the PD runs, but I can comment about the Aleph I. It will offer you noticeably more throw while...
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    Wiz2 and VWOS Lux V?!?

    Endeavor is completely right about the half the current not reducing output by a half. As luxeons are driven harder, they become more and more efficient. As a point of reference, I believe that a Lux III is most efficient at a 10mA drive current. Another way to look at it is this. For...

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