[AMRadio] one more


W5OMR/Geoff w5omr at satx.rr.com
Thu Feb 23 01:36:50 EST 2006


Jim Candela wrote:

>Mark,
>
>   These are too cool! Maybe that big arc is from the
>keying relay at Geoff's place, W5OMR, on the mighty
>Titanic!
>  
>

hey, yo - wait!  I don't make that kinda arc with just a couple of 
hunnert watts!


>   It was just yesterday I experienced a deafening arc
>while running up the energy on an old Eaton 8200P ion
>implanter. A metal door was open filling the high
>voltage gap, and she let loose with a series of gun
>shots at 185,000 volts DC! That temporarily killed the
>HVAC system control, and the turbo pumps all spun down
>in protest, as did the cryo pumps take a big gulp of
>air. Contactors were a chattering, computers
>resetting, etc. I had to kill it with the big red EPO
>button. Nothing died! Today was better, and she's
>stable at 250 kv, and was running a 370 Kev double
>charge state phosphorous ion beam when I was leaving.
>

They -pay- you to do that?
you back home?  Gonna make the Orange Hamfest, this weekend?

-Geoff/W5OMR





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