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Re: A laser pointer killed my coil?



Original poster: "Terry Fritz" <teslalist-at-qwest-dot-net>

Hi Chris,

As far as I know, there is no possible way a plain ol' ~635nm <1mW laser 
pen could hurt a coil.  It was just a coincidence.

Cheers,

         Terry

At 07:49 PM 1/20/2003 -0800, you wrote:

>I think I'm starting a trend of blowing things up. =\
>
>I finally got my mini coil completed (I would show some pictures, but 
>don't know how to post them) and decided to bring it over to a friend's 
>house to show him. (It's wierd being able to fit a complete, unassembled 
>coil in your car) While it was running, my friend had a laser pointer with 
>him and pointed it at the coil. The second the red dot touched the 
>breakout point, there was a popping noise, the coil stopped running, and 
>there was a fire starting on the primary side of the open core and coil 
>NST. (Let's see, that's about 1min 43 seconds of TOTAL run time before 
>something blew up - is that some kind of record? =\ Now, did the laser 
>pointer do this, (I think it's just a coincidence) did something else 
>cause the NST to die, (there wasn't a saftey filter but I think that would 
>hurt the secondary) or could it be that the NST is just somewhat old? Sigh 
>- I wish I could build a tesla coil correctly for once.
>
>
>-Chris
>
>"Only two things are infinite, the universe and human stupidity, and I'm 
>not sure about the former." -Albert Einstein
>
>
>
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