Recent content by wechnivag

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    Cooling fan for fixed LED lighting

    Thanks for the replies! What was i thinking, luckily i didn't hook up the fan yet. Any sources of simple/cheap/ easily available 23cVAC - 12VDC fan drivers online, that i can hook up next to the LED driver in the light housing itself? The thermal protector idea sounds cool!
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    Cooling fan for fixed LED lighting

    Hi, I have a question - I bought a LED ceiling light, it consists of an array of 12s 16p LEDs driven by a constant current LED driver with output range of 36-63V at 300mA. With 12s LEDs, i'm guessing the LED board is drawing 300mA at about 42V from the driver. The issue is there is...
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    Modded streamlight's "c4" led

    A better compromise between output and throw might be an XP-G. Though with reflectors made for XR-E emitters, the focal point is quite far back from the opening. Using a lambertian emitter like the XP-G might mean you lose some light out the sides because the emitter is slightly outside of the...
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    Triple XML Yard Sweeper Mag 2C 3 mode with 3x IMR 22430

    I'm curious which reflector are you using for this triple setup? Any pictures of how it is shimmed or installed? Thanks!!
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    3 sub C in a 2C Mag

    I have read that you really need to use 3 4/5 subC to fit in a 2C Mag. However, I've seen people boring out the tailcap such that the subC cell can fit inside, ie to fit 6 subC in a 5C mag here. http://www.candlepowerforums.com/vb/...d.php?t=141533 I wonder if boring the tailcap will...
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    SST50 or SST90 lights in Movies yet?

    Just wondering if anyone has noticed any movies using the new SST lights yet?
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    Where to get Mag 2C?

    Well, Amazon has them, buy more than $25 and you get free super saver shipping. Maybe I'll wait for Black Friday deals, any heads up on good deals?
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    cutting xp-g reflector effects

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    cutting xp-g reflector effects

    i think the best throw is generated from the part of the reflector furthest from the LED, ie the part you are planning to remove. So i guess you will lose some throw and end up with a bigger hotspot?
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    SST-50 homemade spotlight

    Can you re-upload the photos on photobucket or imageshack? This is killing me!!
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    Where to get Mag 2C?

    Ok found them online with free shipping. Hooray!
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    Where to get Mag 2C?

    Hi, I'm looking to buy a couple of Mag 2C for an XP-G mod, have had no luck finding any at the usual places - Lowes,Home Depot, Walmart, etc. Any idea who still carries them in a B&M store? Also, what is the internal diameter of the tube for the heatsink? Thanks!
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    pre-collimator

    I can't remember exactly. About 15mm diameter and 30mm focal length. Search under PMN with those stats. Most are coated which I nice. 4 dollars each so not too expensive to experiment. Dia. Fl. Coated. L4160 PMN 9.5 20 Y $4.00 L4163 PMN 12.1 29 Y...
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    pre-collimator

    Try using a positive meniscus (both sides of the lens curves forward), maybe in the diameter range of 12mm-15mm or even 20 mm, if your main aspheric is a large 50mm lens. The reason for using a positive meniscus butted right up to the XR-E dome is that you can collect a bit more light as it...
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    Flying searchlight

    OMG this is so AWESOME!! Imagine if you could fly this stealthily somewhere in the dark and then turn on the lights suddenly. The local police would be flooded with UFO reports!!!
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