Originally Posted by G6NHU Over the course of the weekend I've bought myself an empty paint tin, 30 x 3W 1k5 non-inductive resistors and a couple of brass plates along with an SO239 socket. Yes, I'm building a dummy load. That should handle 90 watts in air but of course, that's not enough so I'm going to fill the can with oil. The question is - What oil? I've found plenty of american ...