To me that makes more sense than running them for XX minutes after PTT. Chuck WB2EDV
----- Original Message ----- From: "Lee Williams" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Friday, April 14, 2006 4:16 PM Subject: Re: [Repeater-Builder] Re: Fan timer >I on the other hand run my fans 24/7,why switch them at all? 28 years > with the same PA transistors,I guess GE had the right idea! 73,Lee > > Chuck Kelsey wrote: >> Maybe I'm missing something here, but I've never subscribed to the theory >> of >> having fans run beyond PTT. What purpose does it serve? The transistors >> are >> generating heat only when they are "on." As soon as they are "off" they >> begin to cool down on their own. If the fans are doing their job, they >> are >> keeping temperatures to a prescribed level the entire duration of >> transmit. >> While running the fans beyond the end of transmit will cool the finals >> after >> the end of the QSO quicker than without, why should it matter? >> >> Chuck >> WB2EDV >> >> >> >> > > > > > > Yahoo! Groups Links > > > > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
