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Old 03-17-2017, 09:33 PM #17
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Default Re: Just out of curiosity is there a max temp rating for a NUBM44 ?

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Originally Posted by RedCowboy View Post
I get mine good and warm, sometimes I open the icebox and roll the heat sink around carefully melting ice to cool it for more runtime.

BTW

I have been putting little volt meters on some of my builds and adding them to older builds, they are accurate as verified by my fluke meter.

Anyway the only 2 cell NUBM44 I have left, that is the only build I have not upgraded to 3 cells is running 2 cells and they sag much faster, as the cells wear out over many dozens of cycles they sag faster, also switch springs get weak and you can see voltage sag with orientation, you would be surprised how hot your tail cap spring gets where it makes contact with the battery.

If you want full power out of the NUBM44 you have to feed it.
I over built my host so much that nothing is getting even a little warm, Heavy springs at both ends, a 10 amp aviation micro switch and heavy gauge fine strand copper wire through out plus I'm running 2 ea IJOY INR 26650 batteries that can putout 30 Amps continuously, It's way overboard but that's partly because that's the stuff I had on hand and didn't have to buy any of it.......


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Originally Posted by CurtisOliver View Post
This is why I feed it straight from the mains.
Constant power, better heatsinking. Better overall.
That will keep if feed alright, That is if you remember to pay your power bill...... LOL


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My very short laser collection (for now)

Thor "Saber" Americanised Thor M II - DTR M462 2.2 Watt 462mn Diode W/Super X-Drive @ 1.8 Amps - DTR G-2 lens - OPT Laser 2X Cylindrical Lens Pair Fast Axis Correction w/ Custom Made Beam Expander w/Jetlaser Output Lens Class IV

"Thor's Hammer" Americanised TLY-L201 Host Build W/Old School NASA Type Safety Switch - DTR NUBM44 6.8 Watts at 4.5 Amps 450nm Diode In A 25mm Copper Module W/Driver - DTR G-2 lens - OPT Laser 6X Cylindrical Lens Pair Fast Axis Correction w/ Custom Made Beam Expander w/Jetlaser Output Lens Class IV

303 Prome Star Series Green Laser 532nm 80mW DPSS Class IIIb

Last edited by Accutronitis; 03-17-2017 at 09:45 PM.
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Old 03-18-2017, 01:54 PM #18
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Default Re: Just out of curiosity is there a max temp rating for a NUBM44 ?

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Originally Posted by Accutronitis View Post
That will keep if feed alright, That is if you remember to pay your power bill...... LOL
Lol, yes. Very important.
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Jet Lasers offers various high quality Diode/DPSS Portables in their PL-E Pro hosts. Jet Lasers are known for their quality and are respected on LPF.
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If you are after an RGB module, you can't go wrong with Optlasers. Their 400mW model is very high quality.
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Optotronics offers some of the highest output DPSS Portable Greens on the market. Their 1.4W RPL-II is by far their most amazing product and is known to be overspec.
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Dragon Lasers offers the best option for 589nm (Yellow) Laser pointers.
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For reliable safety goggles visit Survival Laser. Use LPF445 for a 10% member discount.
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For more sites and information please check out this thread.
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