Very good info Tony. Saves me the experiment. I think it also shows that the guys at Elecraft did a good job in cooling design.
Richard *W7ZR* ex:5C5Z, CN2ZR, K2JSP, W6SBZ, W7KXR, K9ZIJ, W9KNF, W0KDF, W0MQU, J68ZR, KC6ZR, PJ4/W7ZR, KH2,W7ZR, KH6/W7ZR, V31ZR, VK4AAZ, XE2DV *Be joyful in hope, patient in affliction, faithful in prayer* On Fri, Aug 10, 2018 at 8:19 AM N2TK, Tony <[email protected]> wrote: > For the heck of it brought my KPA1500 from the basement to the shack desk. > Ran a test with 10 CQ’s on 6M with 1K out on FT8. By the time the CQ’s were > done the amp temp was up to about 75C. The amp is set so the fan is always > on at #1. > Added two 4” 110VAC fans in series to cut down the speed and noise and > covered the exhaust holes on the top of the amp to extract air. Then I > tried with just one 4” fan in the center running full speed. Bottom line > there was virtually no difference in the top temp of the amp with these > settings. > I know, not very scientific. Just seeing if there would be a noticeable > difference with adding fans. > Time to move the amp back to the basement. I never hear my amps ☺ > 73, > N2TK, Tony > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

