Budget LED flashlights for C-cells or D-cells for under 20 $? Suggestions? Update: With self-built 4xAA XP-G R5

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Don
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http://www.ebv.com/index.php?L=0&no_cache=1&id=58&tx_ebvsearch_pi1%5Bqs%...

 

But they appear to be out of stock and they appear to want a minimum 500 euro order...

 

Probably not helpful.

 

The numbers from my light tests are always to be found here.

https://spreadsheets.google.com/ccc?key=0ApkFM37n_QnRdDU5MDNzOURjYllmZHI...

charlestt
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Thanks Don what do you make of this one from the bay of E worth risking ?

http://cgi.ebay.co.uk/LUMINUS-SST-50-LED-1300-Lumens-LED-DIY-/3205481914...

 

 

 

 http://i776.photobucket.com/albums/yy41/charlestt225/Sig/A1200023-1.jpg" width="159" he

Don
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Looks OK to me - AFAIK WJ is the brightest bin actually available at the moment.

 

The numbers from my light tests are always to be found here.

https://spreadsheets.google.com/ccc?key=0ApkFM37n_QnRdDU5MDNzOURjYllmZHI...

agenthex
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You need to make sure the form factor matches your platform. For example, there's some dude on CPF who sells pills for sst's, but they expect a module with a simple round mount.

 

edit: actually, my bad, that was for p7/mce.

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Vectrex
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Back on topic of indecently long flashlights with standard batteries and high output, tada ... I present the "Solarfarce Extreme 4xAA R5 3-Mode". It's not the final version, but I'm already quiet happy with it.

 

Solarfarce Extreme, Superfire WF-501C, Solarforce L2R, Hugsby P32, Maratac AAA SS

 

Solarfarce Extreme consisting of: L2 Flashlight Body Tube with Extension Tube   +  Solarforce L2 Flashlight Extension Tube , 18 mm O-ring - to avoid shortening the backside of the driver, DX XP-G R5 on 14mm base, 3-mode high voltage driver with memory, an empty orange peel XR-E dropin (similar to this), thermal grease, a spacer/washer out of laser printer overhead transparencies to keep the contacts of the driver from touching the brass pill, a second spacer/washer (looking like this) to keep the contacts of the emitter from touching the reflector, a third spacer - aluminium tube (203 mm long, 18 mm outer diameter, 15 mm inner diameter, with a sheet of paper surrounding the whole.. for a pressing fit ) - to keep the 4 AA Eneloops rattling to a minimum and some aluminium foil to keep a cool head Wink.

close up of the XP-G R5 dropin in the head

The tint is extremely nice, I wonder if I won the tint lottery, because it looks almost neutral/warm to my eyes.

Brightness with 4 x AA, 1 x 18650, 2x 18650 seems the same to my eyes, I would say similar to the SKYRAY S-R5 (on 1x18650) or even brighter.

The beam is the complete opposite of the Skyray S-R5, due to the "wide" OP reflector of the XR-E dropin in contrast to the "narrow" SMO reflector of the Skyray. (Does anyone know, if they are available somewhere separately? DX SMO reflectors have a different shape.)

DX sent me the wrong driver I wanted 5 modes without memory  and got 3 modes with memory, lol ... anyways... 3*SB 1400 mA driver are en-route.

Maybe I will do beamshots, when I am able to find a white wall. Wink

Don
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That is one long light!

 

The numbers from my light tests are always to be found here.

https://spreadsheets.google.com/ccc?key=0ApkFM37n_QnRdDU5MDNzOURjYllmZHI...

Don
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Vectrex wrote:

 

Solarfarce Extreme consisting of: L2 Flashlight Body Tube with Extension Tube   +  Solarforce L2 Flashlight Extension Tube , 18 mm O-ring - to avoid shortening the backside of the driver, DX XP-G R5, 3-mode high voltage driver with memory, an empty orange peel XR-E dropin (similar to this), a spacer out of laser printer overhead transparencies to keep the contacts of the driver from touching the brass pill, a second spacer to keep the contacts of the emitter touching the reflector, a third third spacer - tube to keep the 4 AA Eneloops rattling to a minimum, some aluminum foil too keep a cool head Wink.

close up of the XP-G R5 dropin in the head

That looks like a lot of work...

 

The numbers from my light tests are always to be found here.

https://spreadsheets.google.com/ccc?key=0ApkFM37n_QnRdDU5MDNzOURjYllmZHI...

Vectrex
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On the other hand it's essentially just an extension, a dropin and a spacer extra to an already existing light. I'm just listing everthing so anyone can rebuild it, if they like. (Could you remove the full-quote Don?... I wanna edit a few things, thanks.)

The result is worth the effort. Wink

Don
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Vectrex wrote:

On the other hand it's essentially just an extension, a dropin and a spacer extra to an already existing light. I'm just listing everthing so anyone can rebuild it, if they like. (Could you remove the fullquote Don?... I wanna edit a few things, thanks.)

Want any more deleting? No problem..

 

The numbers from my light tests are always to be found here.

https://spreadsheets.google.com/ccc?key=0ApkFM37n_QnRdDU5MDNzOURjYllmZHI...

agenthex
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The problem with a in-line design is that it's quite long and large for 4AA. 4AA in a holder is just barely larger than would fit in a D size tube.

 

It might be good if there's the flexibility of 2-4AA, but that would require a buck/boost driver. The smallsun 4AA video above shows at least that light is poorly regulated. It is direct drive or something? Hardly any light at 2AA, and probably burns the emitter at 4?

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Vectrex
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That was exactly why I made the Solarfarce Extreme (18P) - so that I'm always in the buck voltage range, even with NiMh (4 x 1.2V = 4.8V full, 4 x 0.9 V = 3.6 V empty)  and can use standard high voltage drivers (designed for 2 cells LI-ION) and XP-G R5's driven hard. Low voltage drop-ins or drivers with such high output are very rare..  to none existent. This light is still tiny compared to a MAG 3D, but it has multiple times the output. When the parts for it arrived and I put them together for the first time... I thought - OMG that's way too big... now after 2 days it is my absolute favourite in my collection. Actually ... just holding it is nice... this is what I meant in the first post... D-cell Maglites are big, but the proportions are right. My L2R feels "wrong" ... the Solarfarce Extreme feels "right", I can't explain it better.

If anyone knows such a driver you mentioned, I need the link. The fitting spacer is already there for a 2xAA setup (9P).

The Superfire above on the pictures is made this way. I have got the whole idea from old's Superfire mod on jayki.com .

I have received 2 meters (6.56 feet)  of that inner spacing tube... I could now play a nice game of "my flashlight is longer than yours" but my 14 * AA Eneloops wouldn't be enough. Wink

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Add 2 more AA's and it'll look like a mini baton... I like it. Heck, might as well add 4 more to get the total effect. Its hard to beat the power potential, usefulness and form factor of 18650's, especially 2 of them in series. Still, you succeeded in creating a fairly versatile medium sized light that will prove useful under a wide range of situations.

I wonder if midget policemen would appreciate something like this? -just kidding!

Vectrex
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A picture with a new perspective... it doesn't seem this big any more. Wink

MAG 3D , Solarfarce Extreme, Ultrafire WF 501B

MAG 3D (not mine), Solarfarce Extreme, Ultrafire WF-501B (not mine)

Don
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You could always store it in the 3D Big Smile

 

How did you get a photo that makes the 3D appear to have a bend in it? Or is it just my eyes?

 

The numbers from my light tests are always to be found here.

https://spreadsheets.google.com/ccc?key=0ApkFM37n_QnRdDU5MDNzOURjYllmZHI...

agenthex
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lens barrel distortion

 

happens on spherics Smile

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Vectrex
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I'm just that strong... flimsy Mags. It bends under my sheer force. Wink

Photo was taken with a Canon IXUS 80 IS still in macro mode. Should have taken normal mode.

I'm not the biggest fan of matryoshka doll storage methods.

agenthex
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Do not try and bend the maglite. That's impossible. Instead... only try to realize that it is not the maglite that bends, it is only yourself.

Reading this makes you smarter: http://lesswrong.com/

xP.1337
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ok matrix dude...

Vectrex
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Haha, yep, I altered Don's reality, to the point where he thinks there is a curve in the Mag. I did the same thing with the spoon. Wink

Don
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Vectrex wrote:

Haha, yep, I altered Don's reality, to the point where he thinks there is a curve in the Mag. I did the same thing with the spoon. Wink

 

So there is no Maglite? Wink

 

The numbers from my light tests are always to be found here.

https://spreadsheets.google.com/ccc?key=0ApkFM37n_QnRdDU5MDNzOURjYllmZHI...

Vectrex
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ExactlyWink..omg this is f***ing nerd sh** .

charlestt
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Vectrex
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If he would rap... no one would notice his tics.

Vectrex
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If you wanna have a 4xAA XP-G R5 but don't want to solder your own dropin, this might be the easiest/cheapest way:

1x L2 Cree XP-G R5 5-Mode with Extension Tube                      23.99

1x Solarforce L2 Flashlight Extension Tube(Silver Gray)                4.66

1x spacertube 18/15 mm diameter                                              ?      (I got mine on Ebay as mentioned before)

agenthex
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for battery spacers, you can go down to the home improvment store, and they usually have something in whatever material (pvc, pipe/hose, etc) to accomodate you.

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Vectrex
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In Germany it is actually kind of difficult to find something out of metal/plastic with 18/15 mm diameter for a cheap price.

agenthex
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I thought you guys were all technical and good at making stuff? Smile

 

USA! USA!

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xP.1337 wrote:

got to admit one thing about C and D cell flashlights! if they had quality leds in them, youd never replace batterys

 

the LED maglites i have are UTTERLY useless against EVERY FLASHLIGHT I OWN.... even the 9 LED ones from Ocean state job lot outshine it!!! stupid 3 watt luxeon!

this is prior to the new rebel luxeon ones tho

 

either way, there is one thing the maglite is good for

 

http://www.britelumens.com/images/j103.JPG

 

thats right, my next project.... instead of making a pocket rocket with an SST-90, i decided it would be better to use one of my many useless Maglite batons sitting around

a 3 cell gives me the option to use it for either 3 Ni-MH OR 3 li-ions (and drastically reduce the incoming amperage with a higher voltage!)

 

 

since a regular mag (3 cell) puts out a sad 70 lumens, side by side with the older LED mag, id say they are about the same, the led MIGHT be 90 lumens at best!

 

 

that zy-112 looks like a great option for a p7 mod tho!

 

 

That britelumens plug is really dumb. Why would you not buy a SSR-50/90 if doing it yourself?

 

I mean, it's as if luminus anticipated the need for a ready to go solution, and made a part specially for it, and then these clowns figured the real engineers were joking and make an adapter that can easily screw up a $50 emitter, for the lulz.

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But we were never cheap. Wink If you want high quality and high priced mechanical engineering... then come to Germany. If you want dirt cheap solutions it gets a bit harder to find stuff. Especially the postal service here is totally overpriced. I wouldn't want my spacer to be more expensive than the actual flashlight. 

 

BTW 100 posts

fireworks animation         animated fireworks                   free fireworks animation 

                              

charlestt
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As you may of seen i'm looking at modding a mag to run a SST-50 i was thinking of one of those heatsinks from brightlumens but from what your saying i'm not sure now so what would you recommend.

I don't want to spend a fortune by the way lol

 

 

 

 http://i776.photobucket.com/albums/yy41/charlestt225/Sig/A1200023-1.jpg" width="159" he

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