At 10:45 AM 10/26/2015, Jerry Weiss wrote: >Water in the dummy load? Water cooled - sure. Water immersed? Even >though I see it posted on the web, i have may doubts it would be a stable >method.
I concur. Tap water may have contaminants (such as chlorine) that will cause electrical leakage. >Oil is the usual medium here. Current non-PCB transformer oil is the preferred oil, but for relatively low power levels (say, 1 kilowatt dissipation or less) USP-grade mineral oil (available at your pharmacy) is a very viable substitute. Dale H. Cook, Roanoke/Lynchburg, VA Osborne 1 / Kaypro 4-84 / Kaypro 1 / Amstrad PPC-640 http://plymouthcolony.net/starcity/radios/index.html
