Hi Keith, The thermal pads actually conduct more heat away than thermal grease. The pads used these days are quite impressive. A couple of years ago an engineer Friend of mine and I had this discussion and he then went out and dug up enough data to have me buried for a week. Tom W8AMZ
"Darwin, Keith" <[EMAIL PROTECTED]> wrote: As I'm thinking about trying to operate the K2/100 so the fan doesn't run (or doesn't make noise) I wonder some things. First, blowing air out of a box cools the box better than blowing air into it. I'm half surprised the fan blows in. I suppose it is to direct the stream of air on the finals. Still, I wonder about doing it differently. What about thermal grease? There is only a non-grease pad between the transistors and the heat sink. Would a dab of grease conduct more heat away from the transistor? I have some fancy "silver" stuff left over from my computer assembly activities. What power level should I run if I don't want the fan to come on? 75 Watts? 50, 30, 12? - Keith N1AS - - K2 5411.ssb.100 - _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
