Hi Garey, An EXCELLENT idea...!
I'm doing exactly that, even as I type this... Stay tuned! ~73~ de Eddy VE3CUI - VE3XZ ************************************************************************** On 2011-11-29, at 9:26 AM, Garey Barrell wrote: > Hi Eddy - > > Would you be up for one more test run?? > > I wonder what would happen WITHOUT the fan. Certainly the interior would > warm up faster. A trade-off would 'perhaps' be a larger delta t from > transmit to receive. Especially without an ambient air of 59F constantly > being pulled through the cabinet. > > As this is a T-4X, it is a bipolar PTO. The T-4XB and C had a FET PTO, "for > better stability". The receiver PTOs switched from bipolar to FET early in > the 'B' series. > > 73, Garey - K4OAH > Glen Allen, VA > > Drake 2-B, 2-C/2-NT, 4-A, 4-B, C-Line > and TR-4/C Service Supplement CDs > <www.k4oah.com> > > > Eddy Swynar wrote: >> Hi All, >> >> Before getting to the results, I should add here that the T-4X has a small >> cooling fan mounted above the amplifier cage, extracting air from inside it >> to the outside: it ran continuously whenever the rig was on during the >> course of both evaluations. Ambient room temperature in my basement was 59F, >> as before.
_______________________________________________ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist
