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You guys completely misunderstood my comment. I was not comparing the number of legitimate buyers/seller to scamming buyers/seller. Rather, I was stating that JUST in the scamming crowd, the number of scamming buyers and number of scamming sellers are probably close. I think if there was a...

No, they didnt point lasers at planes. They simply set up this ploy to put RC airplanes on the publics radar as potential terrorist weapons. Lasers were not involved. I just stated that as an example in reply to brendon7358 BTW, has gun regulation prevented them getting in the hands of...

I am in to RC planes, and they are trying to do the very things we are talking about to us RC'ers already. Have been for years. They are trying to restrict the hell out of us. You remember the guy not too long ago, who built 2 RC jets and "supposedly" put 10lbs of explosives on board to...

What do you mean "next thing", they are already trying to do that. Seriously!! Its called the Carbon Tax, and emissions from livestock (cattle, etc.) farts are part of the bill. Seriously!! If they thought of a cow fart needing to be taxed, then you can bet your butt they included human farts...

An end mill is better, however with a plunge type cut, they can still create holes that more resemble a polygon than a circle. The more rigid the tool the better, carbide end mills or drills for instance. This is partly due to the spiral flute design of drills and endmills. This is why reamers...

You can buy "over/under" reamers. An "under" 12mm reamer would probably be spot on. Or an expanding reamer for that range of hole. You can get them fairly cheap. Compound is always a good idea, and sometimes, the difference in heat transfer to the case, with compound, is enough to actually...

Yea, your right. They will need a whole new department in DHLS they will need to support with the new revenues generated from the new LDAA (Laser Defense Act of America). They will add anyone with a laser >5mw to the no fly list. They will nearly throw you in Gitmo now for carrying more than...

A bit of thermal compound would still be a good idea. The contact of the module on a hole that was cut to size with a drill will not be all that ideal. A reamed hole is necessary for that type of fit. Especially since you running a high power 445!! It doesnt hurt. If you had an accurate way...

Absolutely!!! However, you cant take the kid out of the kid. Kids will be kids, especially around other kids, even the big ones (adults), and no matter the education or regulation, it will still happen, if not more.

You for got one..... "Theres a $250 fine for me helping you, and a 10% tax on the fine, but you have to pay with credit, cash is no good, so you will have to cover the 25% interest rate as well as the monthly service fee of $5 for these types of transactions" ...... "Oh, and you will have to go...

Yes, DO NOT suggest ANY laws. What you are doing by doing that is giving them the power to take ANY of your liberties away from you. There are certainly dangers involved with lasers, everyone knows that. There are more injuries a day on children's playgrounds than there are a year from...

Re: FT: 40Watt CO2 System, with PSU, Optics NO LONGER FOR SALE/TRADE I was hooking it up to get a vid for tysonc1979 , as he was interested in a trade, and as soon as I got it ready to power up, B-DING!!! It broke internally!! I guess it was thermal stress related as I just brought it in...

Heres my latest 445 build, in a customized Laserlands host. THIS is the host I used. However, mine arrived slightly different, for the better. It didnt have the flat typically machined on it for logo placement. Its not really quite enough heatsink for this diode, but it works well for a short...

As kiyoukan said, a 15/32 (11.906mm) works best for the Aixiz modules, as they dont come in at 12mm, just shy. The 15/32 will usually wallow enough to make it just a slip fit.

How do you invoice somebody with Google Checkout? Does it work similar to the "Request Money" feature of PooPal?

I was referring to typical glass "glasses" lenses. You can look it up on Sams laser FAQ if you would like. I dont think anyone would argue with Sam!! Ok, then its likely a CO2 as well then. The tube down the center may be something to help cool, or quench the plasma column.

Yes, polycarbonate safety glasses are nearly completely absorptive at 10.6um. Most, if not all goggle specifically for CO2 are just overpriced safety glasses. Actually, polycarbonate, glass and acrylic lenses are all almost completely opaque to 10.6um. The cornea of the eye is actually opaque...

Ahh, OK !!

Yea, you can get HV diodes and caps pretty cheap. There is tons of info on the web about making HV DC supplies from NST's But try it on AC first to see if the tube is good, then spend a few bucks!! Im actually really curious about what that second tube is. I like it, whatever it is. If...