Thermal lag exists and likely always will. The hysteresis is reasonably adequate in the present configuration.
I find no objection to the performance of the present method of cooling. Bob, K4TAX Sent from my iPhone > On Oct 2, 2019, at 9:46 AM, Don Wilhelm <donw...@embarqmail.com> wrote: > > Bob, > > The problem with that is the fan must continue to run for some time after the > return to RX so the residual heat from the TX cycle can be reduced. > > 73, > Don W3FPR > >> On 10/2/2019 10:12 AM, Bob wrote: >> Personally, I wish Elecraft offered a slightly different approach, rather >> than a minimum fan speed setting, how about a RX minimum and TX minimum? >> This would allow quiet operation on RX, but would anticipate a higher >> demand for cooling on TX. >> There is quite a bit of thermal mass and overshoot that happens in TX on >> digital modes. By the time the fan turns on, it tends to be running behind >> the curve trying to catch up. Starting the fan running as soon as the rig >> goes into TX would help considerably and allow things to go back to quiet >> in RX. > ______________________________________________________________ > 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 rmcg...@blomand.net ______________________________________________________________ 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
