The KPA500 offers a minimum fan speed setting which is settable by menu or serial command. Some posters have advocated setting a minimum fan speed higher than zero, presumably thinking it offers some advantage in thermal management.
Does anyone have any hard data that shows that the KPA500 runs cooler, or with lower peak fan speed, when minimum fan speed is set above zero. Running a rigorous test may not be easy since it would seem to require the same ambient temperature, same finals starting temperature, same TX periods, and same antenna system load. I'm curious because, before CQ-WW-RTTY I configured my KPA500 to set min fan speed to 1 at start of TX and reset min speed to zero 30 seconds after stop of TX. Of course the fans ran faster than min speed during TX but I don't have any feel for whether the higher speeds were any more protracted than before the min speed change. Please share you experience of using min fan speed greater than zero, and any data if you have it. 73, Andy, k3wyc ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
