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Re: CD 942 Possible Flaw Found



Original poster: Terry Fritz <teslalist-at-twfpowerelectronics-dot-com>

Hi,

At 05:24 PM 3/17/2004, you wrote:
>In a message dated 3/17/04 7:13:51 PM Eastern Standard Time, 
>tesla-at-pupman-dot-com writes:
>Original poster: Terry Fritz <teslalist-at-twfpowerelectronics-dot-com>
>
>Hi Harold,
>
>It is just a fleck of the solder like material (sloopage, or some odd name
>they have for it??) they use to put on the end caps.  The inside of the cap
>is perfectly clean.
>
>http://hot-streamer-dot-com/temp/CD942flaw.JPG
>
>They just wrap the white outer layer tape last and dirt gets under just
>that layer.  This outside contamination, while a bit messy, does no harm at
>all.  The important inner wraps are clean as can be.
>
>Thanks for sending the cap ;-))
>
>Cheers,
>
>     Terry
>
>Hi Terry,
>While I'm not sure of the scale, it looks like there are quite a few 
>"tiny" specks in the picture.  Would it be possible, though perhaps not 
>very likely, for an arc to "leapfrog" across the specks (if metallic) from 
>one end to the other, thereby causing an intermittent external short?
>Matt D.
>

Looking at it here it does not seem possible.  The specks are just too tiny 
and the outer layers of foil just are not in the right places to 
arc.  there are also a lot of dead layers of poly wrap in the way.

Cheers,

         Terry