I am in the process of getting a water cooled GS-15B cavity on line and I wonder if the group has any recommendations on coolants. Distilled water is typically of unknown provence, so you are never s
Fletch, The subject of cooling fluids was covered in this reflector not too long ago under the topic of water-cooled RF dummy loads such as the Bird Econoload series. The bullet points were: 1. Ordin
Mineral oil works well - high thermal conductivity and a insulator as well _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/li
Fletch, I have been using the same cavity amplifier for several years. Walmart has distilled water for about $.75 per gallon that works just fine. As the water ages, the screen current tends to creep
Here is a URL for a site titled: "Vacuum Tube Liquid Cooling System" by Bill Jones, K8CU,: http://www.realhamradio.com/liquid-cooling.htm He discusses cooling fluid, etc. -- 73, Mike, K4GMH _________
I used and have worked with water cooled amps and oscillators for years. We used De Ionized (DI) water for years with systems up to multi-hundred KW. Either DI or distilled water should work fine. Mo
But, but, but, In a design with a grounded screen, there will be screen current showing due to the dc current generated from plate voltage flowing through the water to ground. With say, 3kvdc, and 50
Roger, I agree with most of what you said, except for the longevity of the DI or Distilled. We used Disitlled rather DI, because we found the DI was too aggressive. I installed and maintained both wa
Some how this ended up in my "Drafts" folder after I started it early today and I just got back to it so I'll address a couple other posts. True, but just sticking in probes is only going to give a r