or you could use one of my new fan controllers for the drake radios
mike On Jan 8, 2012, at 7:45 PM, Steve Wedge wrote: > I've done all which-ways. > > I once used a 120V fan and used a big, honkin' wire-wound resistor to slow it > down. > I currently use a 12V fan with a thermistor over my finals, running off a 12V > wall wart. the fan runs really slow until the temp gets to the point where > the thermistor lets it go for full-speed. This fan cost me $5 at a hamfest. > I've worked on a couple of R-4B's where the previous owner tapped off the > filament supply with a diode and cap (half-wave rectifier). The fans he used > are a little louder than my Xmitter fan. > If you opt for using on-board power, you can tap off the filament supply for > 12V and feed it to an RCA jack in the SPARE location, or just feed wires > through that hole. I like just setting the fan on top, using rubber feet. > No holes get drilled that way... > > YMMV, > > Steve Wedge, W1ES/4 > > Live free or die: Death is not the worst of evils. > John Stark. > > All my computers have my signature with various pearls of wisdom appended > thereto. > > From: Michael & Sue Trussell > Sent: Saturday, January 07, 2012 5:33 PM > To: drakelist@zerobeat.net > Subject: [Drakelist] Need a fan for my T-4XC Transmitter? > > I need to replace my old 30 year old 110 volt fan on my transmitter. I know a > few of you have used the twelve 12 volt fans and some have used the 110 volt > version. What I would like to know where I can get power so I don’t have to > plug the fan in every time I turn the rig on. I would like the fan to come > on when I turn on the power to the transmitter, any suggestions? > > Thank you in advance > > Michael J Trussell KA8ASN > > > _______________________________________________ > Drakelist mailing list > Drakelist@zerobeat.net > http://mailman.zerobeat.net/mailman/listinfo/drakelist > _______________________________________________ > Drakelist mailing list > Drakelist@zerobeat.net > http://mailman.zerobeat.net/mailman/listinfo/drakelist
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