[GreenKeys] Loop supplies, or how to drive a selector magnet.

Bob Camp kb8tq at n1k.org
Thu May 19 21:42:18 EDT 2016


Hi

It was good enough in 1940, that must make it perfect today.

Lots of fun when you get a random short and it takes out the control winding on the reactor. Stinky 
smoke and lots of it ….Great stuff though if it needs to survive a lot of fast neutrons or a big burst of gama 
rays. You would be toast, but the loop supply would still be working fine ….

Bob


> On May 19, 2016, at 8:25 PM, Nick England <navy.radio at gmail.com> wrote:
> 
> Ok here's the ultimate boatanchor loop supply. US Navy PP-765/U. Uses tube-controlled saturable reactor regulation. Weighs a mere 375 lbs. 
> http://www.navy-radio.com/tty/misc/pp765-02.JPG
> http://www.navy-radio.com/tty/misc/pp765-u-01.JPG
> 
> On Thursday, May 19, 2016, Cory Heisterkamp <coryheisterkamp at gmail.com> wrote:
> Still haven't seen enough designs here utilizing vacuum tubes...
> 
> 
> 
> -- 
> Nick England K4NYW
> www.navy-radio.com
> 
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