I run a PC fan over my T-4XB, also using a wall-wart. I found this fan at a hamfest for $5 and it has a thermistor sensor in the airflow that will allow the fan to run at max speed if it gets sufficiently warm. This is a nice extra! I just stuck some rubber feet on my fan and it rests on top. I periodically have to move it back over after a few days, but it avoids having to drill/enlarge any holes.
Steve Wedge, W1ES/4 I swear by my life, and my love of it, that I will never live for the sake of another man, nor ask another man to live for mine. -Ayn Rand. All my computers have my signature with various pearls of wisdom appended thereto. From: Eddy Swynar Sent: Wednesday, November 30, 2011 3:27 PM To: Paul Gerhardt Cc: [email protected] Subject: Re: [Drakelist] Stability Test and FAN On 2011-11-30, at 3:13 PM, Paul Gerhardt wrote: The fan test is interesting I have thought about putting a fan on but never have. If I do it would be nice to have a nice quiet fan. Is there an advantage to a DC fan? It seems a AC fan might be easier to wire up? Hi Paul, I used whatever it was that I happened to have on hand at the time, specifically, a small 12 VDC cooling fan that I think was extricated from a junked desk top computer... I power it with a wall wart DC power supply, and it's really unobtrusive in terms of noise. Mine is simply bolted on the top half of the T-4X enclosure, directly above the "cage" housing the final PA tubes. Mine blows the hot air OUT of the T-4X, rather than blowing outside cooling air into it. For the amount of work & $$$ expended in incorporating it---and keeping in mind the benefits by doing so---I think that the addition of a cooling fan is a "...must have", rather than a "...nice to have" feature... ~73~ de Eddy VE3CUI - VE3XZ -------------------------------------------------------------------------------- _______________________________________________ Drakelist mailing list [email protected] http://mailman.zerobeat.net/mailman/listinfo/drakelist
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