Not FS: 300mW MXDL Open Can Lasers!

Re: FS: *300mW MXDL Open Can Lasers With Heatsink*

WW2 said:

Hoka hey...been lurking around here for a few and starting to really get the jones for a quality unit.  You seem to be a well respected member of this group with the necessary skills and supplies to provide exceptional quality at reasonable prices.  What can you recommend in the 150$-200$ range that will blow my socks off?  Not sure I know enough yet to make any definite choices as far as component choices, so I would like to hear your recommendations as far as quality and value based choices in the previously mentioned price range.  Thanks in advance, please feel free to offer any tips or advice as well as flames to this most humble of newbies

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Welcome to LPF!

You really can't go wrong with the AixiZ acrylic build (for the price). Both driver options are good, it just depends on which batteries you want to use.

For the DDL driver, you will be using 3.6 volt rechargeable lithium batteries. Which I supply. (I don't supply the charger though) For this driver, I recommend 420mA's.

For the FlexDrive, you will be using 3.0 volt lithium primaries. This driver can be set to an exact current. I like 448mA's using my heatsink. This may be pushing the LD some, but so far, so good.

I do not guarantee the LD. I offer to rebuild your laser if needed, you pay for parts and shipping.

For the price, I recommend the Optiarc diode/AixiZ acrylic lens/FlexDrive. This build would cost you $175 plus shipping.

Here's a picture of just such a build...



Feel free to ask me any other questions you may have.
Thanks for looking!
Jay

Re: FS: *300mW MXDL Open Can Lasers With Heatsink*

Hey Jay, I talked to a tech here at the APSL and he agreed he would test my laser for exact power to primary standards when he has some spare time.

David

Re: FS: *300mW MXDL Open Can Lasers With Heatsink*

hi i have ordered aixiz module, tantulum capcitor 47uf 16v, silicon diode, lm317t but getting a 3ohm 1 watt or 2.7 ohm is quite diffcult i got paypal so i can pay via paypal for the resistors. or if anyone selling one ebay i buy it off there but am having problems finding these resistors. wt bout 50 x 2.7 Ohm 0.25w Carbon Resistors 1/4w Resistor 2R7 r these suitable????

Re: FS: *300mW MXDL Open Can Lasers With Heatsink*

Iceweasel said:

Hey Jay, I talked to a tech here at the APSL and he agreed he would test my laser for exact power to primary standards when he has some spare time.

David

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Sounds good! I will be finishing your build tonight. Check back here in 10 hrs. and I will have pictures of it, and the labeled power reading. It will ship tomorrow. (Thrusday) Looking forward to the power meter comparison. Find out what meter he has also...

joka said:

hi i have ordered aixiz module, tantulum capcitor 47uf 16v, silicon diode, lm317t but getting a 3ohm 1 watt or 2.7 ohm is quite diffcult i got paypal so i can pay via paypal for the resistors. or if anyone selling one ebay i buy it off there but am having problems finding these resistors. wt bout 50 x 2.7 Ohm 0.25w Carbon Resistors 1/4w Resistor 2R7 r these suitable????

Click to expand...

Here's a link to where you can get the 3 ohm resistors cheap:
http://www.partsexpress.com/pe/showdetl.cfm?&Partnumber=003-3
But if your using an MXDL host, and will be buying one of my heatsinks, I include a 3 ohm 1 watt resistor with every heatsink...
http://www.laserpointerforums.com/forums/YaBB.pl?num=1202452073/0
Jay

Re: FS: *300mW MXDL Open Can Lasers With Heatsink*

Seth B., your build turned out very nice!

Notice that because of the set screw design of my heatsinks, you can still mount the AixiZ glass lens (which sticks out the front farther), flush with the heatsink. You just have to cut the back barrel of the module shorter, to allow room inside.

Remember that with the FlexDrive, use only the 3.0 volt Lithium primaries...
It will be in tomorrow's mail! (Thrusday)
Jay

Re: FS: *300mW MXDL Open Can Lasers With Heatsink*

Iceweasel said:

Hey Jay, I talked to a tech here at the APSL and he agreed he would test my laser for exact power to primary standards when he has some spare time.

David

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Got it all ready David! I'll have it in tomorrow's mail. (Thursday)

I got a peak reading of 257.4mW's - Running steady around 253mW's. Please get back to me to let me know that you got it, and to let me know the reading you guys get on the other meter... and what kind of meter too!
Thanks,
Jay

Re: FS: *300mW MXDL Open Can Lasers With Heatsink*

that's a good idea to tell people to check back with you when the receive it... like a free bump

Re: FS: *300mW MXDL Open Can Lasers With Heatsink*

SWEET! I will let you know when I get it. And yeah, ill let you know what reading they get in the labs with it and what kind of meter they used.

David

Re: FS: *300mW MXDL Open Can Lasers With Heatsink*

djhenyo, yours is done!



Per your request, I set the FlexDrive at 420mA's. The measured power peaked at 243mW's. You will find a small dot of white paint, which marks the 5' focal point. This is my usual practice for the acrylic lens red builds...

I'll have it in tomorrow's mail! (Friday)
Jay

Re: FS: *300mW MXDL Open Can Lasers With Heatsink*

FgerG, your 'special' build is done! And it is SCHWEET!

I was wondering when someone was going to ask me to build an 803T blu-ray using the MXDL host and a Meredith glass lens/FlexDrive...



Per your request, I set it at the conservative 90ish mA's for good longevity.

I'm getting a steady 113.3mW's out of the Meredith glass lens.

For others to know, this host (4171), normally does not fit an 18650. But FgerG wanted to have an 18650 supply, so I drilled out the host on my lathe.

As you know, the excellent FlexDrive, can be used with 2 X 3.0 volt lithium primaries, with the addition of a silicon diode to drop the supply voltage to 5.5 volts.

For the single 3.6 volt 18650, the silicon diode was not needed.

It will be in tomorrow's mail for you! (Friday)
Jay

P.S. Some are running these 803T diodes at higher currents. If you are not familiar with the FlexDrive, do not adjust the pot with the diode connected. It is very sensitive. I would recommend disconnecting the LD, and using a load, such as 6 silicon diodes in series to adjust the current. Use 6 silicon diodes for blu-ray, 4 for red... rog8811 shows a good diagram of 4 silicon diodes as a 'dummy load' for red diodes here:
http://www.laserpointerforums.com/forums/YaBB.pl?num=1197651171#1

Re: FS: *300mW MXDL Open Can Lasers With Heatsink*

Jay, I want to go ahead and get some batteries for my build. Will I not be able to use rechargables? What make and model battery will I need? I would like to find some locally rather than buying off the internet all the time.

David

Re: FS: *300mW MXDL Open Can Lasers With Heatsink*

Iceweasel said:

Jay, I want to go ahead and get some batteries for my build. Will I not be able to use rechargables? What make and model battery will I need? I would like to find some locally rather than buying off the internet all the time.

David

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I'm not jay but I can answer those.With that driver and silicon diode you will not be able to use rechargeables,unless you buy CR123A batteries made of LiFePO4 like these http://www.dealextreme.com/details.dx/sku.5107 and charge them to 3.2~3.3v(the voltage which full primaries CR123A's have),but the battery life with those is going to be about half of what it would be with li-ion rechargeables or primaries CR123A).What you can do is change the silicon diode so rechargeables li-ion can be used.
And I don't recomend buying primaries CR123A locally,they are usually much more expensive than buying from the internet(at least double of the price,and likely 3 times).
You can also just remove the silicon diode and use one of these batteries that replaces 2xCR123A
http://www.dealextreme.com/details.dx/sku.3301 http://www.dealextreme.com/details.dx/sku.2844
They are slightly larger,but I'm quite sure that the unprotected one fits the MXDL build,and almost sure that the protected one also does.I have one of this lasers from jayrob and with CR123A batteries there are some unused space between the cell and wall of the MXDL.

Re: FS: *300mW MXDL Open Can Lasers With Heatsink*

Sweet indeed! I am so excited that I already have my violet shirt on. The scorpions in my yard in in for a bit of a surprise.

gerG

Re: FS: *300mW MXDL Open Can Lasers With Heatsink*

Iceweasel said:

Jay, I want to go ahead and get some batteries for my build.  Will I not be able to use rechargables?  What make and model battery will I need?  I would like to find some locally rather than buying off the internet all the time.

David

Click to expand...

GamerBR has given the complete choices there!
Rather than changing the driver set up, I would recommend just buying the 3.0 volt primaries. I sent two new batteries with the build. Here is a good U.S. source for batteries:
http://www.batteryjunction.com/energizer-cr123a.html
I would probably not use the 3.0 volt rechargeable batteries, in case they charge up over 3 volts. Just stick with the ones I linked there...

FgerG said:

Sweet indeed! I am so excited that I already have my violet shirt on. The scorpions in my yard in in for a bit of a surprise.

gerG

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I hope you both like your builds! Please let me know that they got to you, and how you like them...
Jay

Re: FS: *300mW MXDL Open Can Lasers With Heatsink*

Jay,with that silicon diode at what voltage the battery would have to be to deliver 2.5V to the driver?If it's something like 3.5v it could work as a protection for the 17670 unprotected cell and still be usable without changing anything,and the capacity would go down just by a little bit(about 10%)

Re: FS: *300mW MXDL Open Can Lasers With Heatsink*

From what I understand about the awesome FlexDrive, is that as long as you have 2.5 to 5.5 volts supply, your good to go! So, although I have not tried it, I'm pretty sure a 17670 will still work, even with the silicon diode in there. Because the silicon diode will take away about .7 volts (as far as I understand).

I know that a protected 17670 is a tight fit for the MXDL. It's not the battery, it's the end of the battery where the protection circuit is.

As far as the silicon diode working as a protection when using a non-protected battery... I don't know. Perhaps someone else can chime in on that one. But it makes sense, that if the silicon diode takes .7 volts, and the FlexDrive needs 2.5 volts, the battery will not be able to be used when it drops below about 3.2 volts! (letting you know it's time to charge)

Not sure about all of this. But it is interesting!
Jay