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Sold/Expired Sold! - A New XP-G Stubby

saltytri

Enlightened
Joined
Dec 20, 2008
Messages
531
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Here's another in my Stubby Mag series. The host is an old (but fresh out of a sealed package) C Mag, the type without the "C" in the serial number. Except for the o-ring that is recessed in the inside diameter of the head, there isn't any difference between the new and old types once the mods are done. If you just have to have the old type, this is the one. If you don't care, that's fine, too.

$225 (was $250) conus via UPS.

The emitter is a very white (not green!) XP-G R5. It pulls 1.45A at the tail cap from an IMR 26650 through a single level 7135 driver. The point of this light is to throw and to see things that are far away, so I figure that no one is going to want to deal with clicking through multiple levels when "full bore" is all that matters.

The tail cap of the C Mag is too small for a 26650 to fit inside, so a switch was fabricated with a spring long enough to protrude and contact the base of the battery. The switch unit is the same one that is used by Fenix and has proven reliable. It's a forward clicky, momentary on with soft press and click to lock on.

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It takes a bunch of parts to make a switch.

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Like all of my Stubby Mags, the switch is recessed so it can tailstand and to avoid inadvertently turning the light on and draining the battery.

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The light engine consists of the emitter glued to a substantial heat sink with thermal adhesive....

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....with the driver mounted on the back with a brass retaining ring. The wires are 26AWG Teflon.

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The heat sink is certainly overkill and heat won't ever be a problem. It is a very close slip fit into the body, the inside of which was machined to a smooth surface for good contact and maximum heat transfer.

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The body was cut way down in length and rethreaded at both ends.

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The head and reflector both got a bit of machining to make them fit together nicely.

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While the light is intended to be used with an IMR 26650 for maximum run time, an 18650 sleeve is included.

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Of course, the plastic lens was replaced with glass.

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This reflector does a great job of focusing the beam. The hot spot is small and intense, so much so that it really doesn't look much like an XP-G. There is a well-defined corona with a sharp edge and a single ring toward the margin.

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All of these outdoor shots were taken at the same exposure setting.

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This light really throws that compact hot spot! That tree is 250' away.

Insurance is at the buyer's option and expense. Risk of loss is on the buyer. International shipping will be via USPS at additional cost.

"I'll take it" with prompt PM and PP payment has priority.
 
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Aircraft800

Flashlight Enthusiast
Joined
Apr 24, 2007
Messages
1,487
Location
DFW Texas.
Re: A New XP-G Stubby

Once again fabulous work! :twothumbs

Cool pill design. Where do you possibly hide the wires? Does it have a recess for wire clearance? Does your retaining ring complete the ground path with the outside driver ring? What reflector is that? It looked like a Litho from the back, but is clearly something else.
 

JeffN

Enlightened
Joined
May 13, 2006
Messages
258
Location
Everybody's Hometown
Re: A New XP-G Stubby

Like all of my Stubby Mags, the switch is recessed so it can tailstand and to avoid inadvertently turning the light on and draining the battery.

ALMOST all. ;)

I've got two of David's Stubby Mags in my collection, and the workmanship is outstanding. The Stubby "C" fits nicely in the hand and the grooving makes for a no-slip grip. To eliminate any chance of dropping the little guy, I added one of 4Sevens' Quark HandGrips. Slip it over your hand and you literally can't throw the light away.

Did I mention the workmanship is outstanding?
 

saltytri

Enlightened
Joined
Dec 20, 2008
Messages
531
Re: A New XP-G Stubby

Once again fabulous work! :twothumbs

Cool pill design. Where do you possibly hide the wires? Does it have a recess for wire clearance? Does your retaining ring complete the ground path with the outside driver ring? What reflector is that? It looked like a Litho from the back, but is clearly something else.

Thanks for the nice comments!

The reflector is a DX 18841. It works great but isn't necessarily the best choice for a DIYer unless a lathe is available. Quite a bit of the threads have to come off, more so than with the other DX reflectors of similar diameter. And turning the threads off is a ticklish operation because the reflector has no surface to grab except for the threads, since it is fully tapered. It has to be held by half of the threads while cutting off the other half. :ohgeez:

The wires are soldered to the star before it is glued in place. They are led through holes to the cavity on the back of the heat sink that holds the driver. They are then cut as short as possible and soldered to the driver before it is put in place and held with the retaining ring. So, there ends up being a quarter inch or so of extra wire curled in the cavity under the driver board but this is very acceptable.

Yes, the ground path is through the retaining rings on both the driver and the switch. The switch is mounted on a disk of double-sided circuit board. On the switch side, the copper is divided in half, with one switch contact soldered to each half. Connections are then made by soldering wire vias through the board to the other side, which has a ring on the rim that becomes the negative path (and is contacted by the retaining ring,) and a central circle that becomes the positive path to which the spring is heavily soldered. This switch certainly is "doing it the hard way." :eek: It would have been a whole lot easier to use a McClicky but the spring isn't long enough in this application.
 
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bigchelis

Flashlight Enthusiast
Joined
Oct 30, 2008
Messages
3,604
Location
Prunedale, CA
Re: A New XP-G Stubby

This Mini XP-G Stubby is freaking amazing.

The 1.5A is absolutely perfect for a solid 400 plus OTF lumens and with your heatsink those lumens should stay relatively put.

The beam is tight and flawless looking via that OP reflector.


Great job on this awesome throw light:thumbsup:
 
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choppers

Flashlight Enthusiast
Joined
Aug 13, 2006
Messages
1,066
Location
AZ
Re: A New XP-G Stubby

Wow, this is awesome...if I had the extra $ I would be all over it

Good luck!!
 

saltytri

Enlightened
Joined
Dec 20, 2008
Messages
531
Re: A New XP-G Stubby

This Mini XP-G Stubby is freaking amazing.

The 1.5A is absolutely perfect for a solid 400 plus OTF lumens and with your heatsink those lumens should stay relatively put.

The beam is tight and flawless looking via that OP reflector.


Great job on this awesome throw light:thumbsup:

Thanks!

And thanks also for the information that you have provided on the importance of ample heatsinking. I keep this firmly in mind when building lights.
 

warx23

Enlightened
Joined
May 16, 2007
Messages
469
Re: A New XP-G Stubby

Wow.. incredible detail and workmanship. Excellent!
 

saltytri

Enlightened
Joined
Dec 20, 2008
Messages
531
Re: REDUCED! - A New XP-G Stubby

Let's move this little bruiser along to a new home! Price reduced.
 

Hill

Enlightened
Joined
Apr 11, 2008
Messages
318
Location
MA
Re: REDUCED! - A New XP-G Stubby

Outstanding craftsmanship. It makes me look at my dremmel hack jobs and think...I really need a lathe!

Good luck with the sale.

Hill
 

ledcarry

Enlightened
Joined
Sep 4, 2009
Messages
355
Location
Close to the Rockies
Re: REDUCED! - A New XP-G Stubby

Beautiful light and outstanding customized work on this great classic. I am sure this won't be around very long. :thumbsup:


JM
 

saltytri

Enlightened
Joined
Dec 20, 2008
Messages
531
Re: REDUCED! - A New XP-G Stubby

Beautiful light and outstanding customized work on this great classic. I am sure this won't be around very long. :thumbsup:


JM

Thanks for the good word, Jeff! I hope that all is well over in Mile High country.
 

palimpsest

Newly Enlightened
Joined
Oct 5, 2010
Messages
83
Location
France
Re: REDUCED! - A New XP-G Stubby

Very nice and ultra clean work. If only it has 3 modes with neutral white (or warm white) XP-G. :mecry:
 
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saltytri

Enlightened
Joined
Dec 20, 2008
Messages
531
I've got a couple of Gen 1 KL3 heads (the ones with the fins) that I've been meaning to tear into but I have to screw up some courage first. :laughing:

Do you have something in mind?
 
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