The Titanium "Haiku"

Jfowler

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Apr 20, 2018
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Just to throw in my 02.

I have 2 Haiku 1x123’s. I built custom drivers with the Nichia 219C for each. One light has the MCR17XR reflector, the other has the MCR17XP. The beam profile/throw is very different between these two lights, despite every aspect other than reflector being identical.

My advice is to order a light from Don with one of his HIVE light engines (once available) and choose a LED that comes with the -XP reflector (that should be any LED except the XM-L2). If you want a supercharged driver, you can build yourself, or find one from one of CPF’s vendors. Then, you can order a -XR reflector from the sandwich shoppe if you want to try the Haiku with the floody beam. As far as I know, the -XP reflector is only available from McGizmo, while the -XR can easily be ordered after the fact.
 

bluemantra

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Sep 1, 2020
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Did I assemble this incorrectly? I struggled a bit with the window o-rings. Does the beam look right?

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desert.snake

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The diode looks more like a nichia 119 or 219a. There is a feeling that the diode is standing a little at the wrong height. Have you screwed engine all the way into the head?
 

F89

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Mar 15, 2014
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1,059
Did you install the LE first, then seat the reflector down over it?
It's hard to tell regarding your beam shot if all is well, but assuming you've seated the reflector correctly all should be well.
The window o-ring (outer) doesn't look properly recessed into its channel. I usually use a fine coating of silicone grease so it slides in smoothly and coax it around with the back of my thumb nail. It seats correctly with no twisting that way.
 

bluemantra

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Sep 1, 2020
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Did you install the LE first, then seat the reflector down over it?
It's hard to tell regarding your beam shot if all is well, but assuming you've seated the reflector correctly all should be well.
The window o-ring (outer) doesn't look properly recessed into its channel. I usually use a fine coating of silicone grease so it slides in smoothly and coax it around with the back of my thumb nail. It seats correctly with no twisting that way.
Do you have a Mahi head?
 

bluemantra

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Sep 1, 2020
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Yes, but we're talking about the Haiku yeah.
I was just wondering how to beam profile compared.

What batteries do you recommend for 123 pak? I've been using 16340 Vapcell INR16340 T8 850mAh 3A High Discharge I had previously.
 

F89

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Mar 15, 2014
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No worries, just clarifying.
The beam profiles vary depending on the Haiku reflector (and LED).
The closest apples to apples comparison (using the same LED, e.g. 119V) would be a Haiku with the XPG reflector. The differences being a smaller, more intense hot spot on the Mahi with a prominent corona and less brightness distributed through the spill, while the Haiku has a larger hotspot with a more even intensity through the entire spill.
I'd give the advantage to the Haiku/XPG reflector for a more general purpose balance while the Mahi leans more toward throw. Both are fine for general purpose though.
In summary Mahi = small intense hotspot, corona, low intensity even spill.
Haiku = medium sized hotspot (less intensity), medium intensity even spill.
Something like that anyway.
Currently (still) using Fenix 700mAh Liion and K2 liFePO4 16340 batteries for rechargeable and occasionally Panasonic CR123A primaries.
Stock drivers don't require anything special.
 
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Reijer

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Jan 22, 2009
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Netherlands
Hi Don,
I’ve been trying to reach you via e-mail to order some parts since november, but I guess my messages are stuck in some spam filter :( I’ve re-sent one last night, maybe you can check?
 

desert.snake

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This reflector for XR-E is pretty versatile. I cut off the dome of the XM-L2 with a razor but not completely, about 0.3-0.5 mm left to the phosphor, the hot spot decreased slightly, but the transition remained very uniform. Here next to some flooders, discolored so as not to be distracted by shades, distance to the wall about a yard. Very similar to 119 inside the same reflector in bluemantra. And the same beam was with XP-L HI, I think I already wrote this somewhere, but I don't remember exactly.
 

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