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Old 01-27-2011, 07:46 PM #17
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Default Re: WTB: jayrob keychain

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Originally Posted by DJNY View Post
It works with my 445nm CR2 keychain and RA_pierce also told that this duty cycle should be no problem. The whole body at these chains works a heatsink!
The CR2 one is a lot larger than these.


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Old 01-27-2011, 08:04 PM #18
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Default Re: WTB: jayrob keychain

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Originally Posted by Prototype View Post
The CR2 one is a lot larger than these.
I thought that the topic was about Jayīs CR2 keychains
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405nm >> Wickedlasers SONAR by lazeerer peak@968mW
445nm >> Kryton Smooth by lazeerer peak@2075mW
453nm >> Lipstick by rhd peak@158mW
473nm >> Optotronics RPL-B peak@112mW
515nm >> Skylasers HL peak@41mW
532nm >> Novalasers Alpha HP peak@284mW
589nm >> CNI PGL-III-A peak@89mW
594nm >> Laserglow Rigel peak@4mW
635nm >> MXDL by DTR peak@38mW
642nm >> Saillaser peak@23mW
660nm >> CR2 by lazeerer peak@524mW
685nm >> MXDL by lazereer peak@42mW

Above lasers measured with an Ophir nospin LPM


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Old 01-27-2011, 08:09 PM #19
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Default Re: WTB: jayrob keychain

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I thought that the topic was about Jayīs CR2 keychains
Close

FS: Key Chain Build Kit! - Fit for 10280 Battery...
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Old 07-19-2011, 05:22 AM #20
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Default Re: WTB: jayrob keychain

I have no problem building this kit, but I have one question that has been bothering me. will somebody please tell me if pennys are a better conductor of heat than HVAC copper refrigerant lines or romex wire? I'm not complaining, I already have a vile filled with shavings from penny dated before 69, but I also have plenty of copper from freon lines, hard drawn water pipe copper, and romex wire. all seperate ofcourse. which one should I be useing and how hard should I push this 2W 445nm respectivly? I was thinking about making a piece of hard drawn coper into the actual caseing. I don't have the luxury of buying knock off Surefires and gutting them.
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Old 07-19-2011, 06:54 AM #21
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Default Re: WTB: jayrob keychain

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Originally Posted by combat engineer View Post
I have no problem building this kit, but I have one question that has been bothering me. will somebody please tell me if pennys are a better conductor of heat than HVAC copper refrigerant lines or romex wire? I'm not complaining, I already have a vile filled with shavings from penny dated before 69, but I also have plenty of copper from freon lines, hard drawn water pipe copper, and romex wire. all seperate ofcourse. which one should I be useing and how hard should I push this 2W 445nm respectivly? I was thinking about making a piece of hard drawn coper into the actual caseing. I don't have the luxury of buying knock off Surefires and gutting them.
You have no problem building this laser, yet, you just joined the forum and are a noob here?? This host is the size of your pinky finger; I know, I've built a few. Your first post should be used to introduce yourself to the community.

Oh yeah, you resurrected a thread that has not been posted on in 7 months. ALOT of the members here will flame you big time for that. Just FYI.

almost forgot...welcome to LPF! Please read the safety stickies thoroughly.
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Would you like to purchase some M-140 445nm diodes (individual or pressed into Aixiz or pure copper module) at very reasonable prices? PM me if you are interested!

My laser list has become way too big; I'm listing some of my favorites out of my extensive collection.
615mw 405nm/12X Spiderfire X-03
148mw 405nm/GGW in my "Hotlight-Saber" host
1920mw 445nm River Rock custom
1530mw 445nm Yobresal
1360mw 445nm Qumefox Sipik
800mw 445nm WL Arctic Spyder S3
240mw 473nm CNI Labby
8mw 473nm CNI Labby
528mw 532nm Lazerer Cannon
310mw 532nm Firedragon III
300mw 532nm CNI Labby
180mw 532nm SKY Laser
4x 147-267mw 532nm Waterproof
900mw 635nm in Temporary Finned Labby Sink
Several 635nm diodes awaiting a build
500mw 650nm Dual LPC-826 Labby
251mw 650nm/LPC-815 Ultrafire U-501B
Several 685nm diodes awaiting a build
3W 808nm diode awaiting build

Kenometer w/ Coherent Thermopile 10W
LaserBee 2.5W USB LPM
Radiant Alpha 2W LPMSOLD=Now in Kuwait!
1.2W RGB Projector; JNM Wide Sky Galvos (Made in Germany); Laser Show Express; Arduino-based DAC

Last edited by rocket689; 07-19-2011 at 06:55 AM.
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Old 07-19-2011, 08:20 AM #22
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Default Re: WTB: jayrob keychain

I have no problem with the process involved in constructing this project. Is that better? The question was, (and you should feel flattered that I ask this group instead of looking it up) what is the chemical makeup of a penny predating 1982 that makes it superior to using other forms of copper. Since, I can look around my lab and without having to dig through anything, and find three different forms of copper which all have a different heat absorption and dispassion ratios. No, I have no, absolutely no problem machining parts from scratch without having to destroy want-a-be Sure Fire’s and such. But since this is a forum where people have gone through this already, I figure it wouldn’t hurt to ask. I’m no chemist, and by all means I was not searching for an answer explaining the difference between conductive and conductance, nor was I looking for an explanation of the correlation between transition metals in group 1b and there valance electrons and how heat and electricity use them to travel from atom to atom which if you want to tear down my question piece by piece we can take that into consideration in building and use the proper metal for the job. I thought this was a more civilized forum where I could get a brief explanation why pennies were chosen. If I had to guess it would be due to the percent of true copper in the penny along with what it was mixed with (if anything) that held a particular favorite in the forums host heart. What threw me off are the instructions to use older pennies which more than likely have a higher percent of copper. Once again, I’m no expert in another subject, this time coin collecting. So logic tells me to ask a question because surly nobody with the capability to machine these parts would have a lack of pure copper laying around to building heat sinks out of and be reduced to filing pennies down in a vice. Maybe he did it for the sake of informing people what they can use if they don’t have 4 copper CPU heat sinks laying around just waiting to have a laser diode mounted in them or a labyrinth of copper pipe ranging in different consistency’s and thicknesses. Who knows? I don’t, hence the question that got raised 7 months after the forum went inactive. I apologize for not having an internet connection on the area of the planet I was on 7 months ago; we might have avoided such an embarrassing situation that makes one of us look easily amused. I was busy using a completely different type of technology that civilians are not privy to. I apologize for disturbing the sanctity of this forum. I had previously read through the entire thing and didn’t get the answer I was looking for, and I hate myself for razing a question that other people might benefit from later on. So to keep your holy forum true and ready for the sale of premade kits that take the fun and inventive gene out of people who might have had a chance discovering that they can in fact build something as remedial as this, I’ll withdraw my profile and move along.
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Old 07-19-2011, 01:07 PM #23
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Default Re: WTB: jayrob keychain

Quote:
Originally Posted by combat engineer View Post
I have no problem with the process involved in constructing this project. Is that better? The question was, (and you should feel flattered that I ask this group instead of looking it up) what is the chemical makeup of a penny predating 1982 that makes it superior to using other forms of copper. Since, I can look around my lab and without having to dig through anything, and find three different forms of copper which all have a different heat absorption and dispassion ratios. No, I have no, absolutely no problem machining parts from scratch without having to destroy want-a-be Sure Fireís and such. But since this is a forum where people have gone through this already, I figure it wouldnít hurt to ask. Iím no chemist, and by all means I was not searching for an answer explaining the difference between conductive and conductance, nor was I looking for an explanation of the correlation between transition metals in group 1b and there valance electrons and how heat and electricity use them to travel from atom to atom which if you want to tear down my question piece by piece we can take that into consideration in building and use the proper metal for the job. I thought this was a more civilized forum where I could get a brief explanation why pennies were chosen. If I had to guess it would be due to the percent of true copper in the penny along with what it was mixed with (if anything) that held a particular favorite in the forums host heart. What threw me off are the instructions to use older pennies which more than likely have a higher percent of copper. Once again, Iím no expert in another subject, this time coin collecting. So logic tells me to ask a question because surly nobody with the capability to machine these parts would have a lack of pure copper laying around to building heat sinks out of and be reduced to filing pennies down in a vice. Maybe he did it for the sake of informing people what they can use if they donít have 4 copper CPU heat sinks laying around just waiting to have a laser diode mounted in them or a labyrinth of copper pipe ranging in different consistencyís and thicknesses. Who knows? I donít, hence the question that got raised 7 months after the forum went inactive. I apologize for not having an internet connection on the area of the planet I was on 7 months ago; we might have avoided such an embarrassing situation that makes one of us look easily amused. I was busy using a completely different type of technology that civilians are not privy to. I apologize for disturbing the sanctity of this forum. I had previously read through the entire thing and didnít get the answer I was looking for, and I hate myself for razing a question that other people might benefit from later on. So to keep your holy forum true and ready for the sale of premade kits that take the fun and inventive gene out of people who might have had a chance discovering that they can in fact build something as remedial as this, Iíll withdraw my profile and move along.
They were chosen because they were available, cheap, and convenient.

Perhaps you would be happier in a metal composition forum

Peace,
dave
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Old 07-22-2011, 12:25 AM #24
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Default Re: WTB: jayrob keychain

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Originally Posted by daguin View Post
They were chosen because they were available, cheap, and convenient.

Perhaps you would be happier in a metal composition forum

Peace,
dave
Thank you very much for answering Mr. Dave. That is all I wanted to know. I see it wasnít hard for you to answer without name calling or the use of slang, sarcasm, or reiterating your accomplishments. An answer to my question of that caliber defiantly defines your humbleness, wisdom, integrity, and self-respect. Now that I know the reason, I can just continue using what I have been using. Which would be the AC line set copper. Let me know if you would like me to mail you an envelope quantity of it already shaved down free of charge.

Respectfully,
Blake
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Old 07-22-2011, 12:26 AM #25
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Default Re: WTB: jayrob keychain

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Anyone who is able to build me a 100mW 532nm in this host should PM me
Does it have to have enough room left for batteries?
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