Re: [drakelist] Cooling Fan on finals

2007-12-24 Thread Dennis Monticelli
"Dennis Monticelli" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Just a moderate amount of air assist makes a big difference in terms of reducing peak component temp, reducing temp gradients, and minimizing temp

Re: [drakelist] Cooling Fan on finals

2007-12-24 Thread Garey Barrell
Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Peter - I haven't, but I can tell you that the cabinet top of the T-4X(any) can be too hot to comfortably hold you hand on it after extended transmis

RE: [drakelist] Cooling Fan on finals

2007-12-24 Thread Peter Bent
"Peter Bent" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Just curious, has anyone actually measured the temps in the cages-- before and after? -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL

[drakelist] Drake 2B Parts Needed

2007-12-24 Thread Byron Tatum
Hello- I am restoring a Drake 2B and need these parts: 1 Main Tuning Knob 1 Dial Pointer ( long red one that slides with string drive) Thanks, Byron WA5THJ.

Re: [drakelist] Cooling Fan on finals

2007-12-24 Thread Ron Wagner
Ron Wagner <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- The way I went about his was a half wave (single diode) and filter cap from the 12VAC filament line. I drive a 24 volt fan drawing air out of the final

Re: [drakelist] Cooling Fan on finals

2007-12-24 Thread Garey Barrell
Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Amazing how much mis-information flows over the internet!! Temperature stability is a function of temperature CHANGE, not absolute temperature. The

Re: [drakelist] Cooling Fan on finals

2007-12-24 Thread Jim Shorney
"Jim Shorney" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- On Mon, 24 Dec 2007 15:27:52 -0600, Howard Traxler wrote: >I was told that the xmtr was designed to run at that >temperature and that I'd have drift pr

Re: [drakelist] Cooling Fan on finals

2007-12-24 Thread K9SQG
[EMAIL PROTECTED] made an utterance to the drakelist gang -- Not sure I understand that comment about the drift, hi hi. The drift is a function of the thermal environment with respect to the PTO components, including any negati

[drakelist] Cooling Fan on finals

2007-12-24 Thread Howard Traxler
"Howard Traxler" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- A-way back in the day, when my first Drake twins were new to me--that would be the late 60's--I was told that the xmtr was designed to run at that t

Re: [drakelist] Confessions of an Appliance Operator

2007-12-24 Thread K9SQG
[EMAIL PROTECTED] made an utterance to the drakelist gang -- I use specially selected 220v fans that start and run reliably at 110 v. Can't hear them and they are the ones I use on L4B/L7 power supply upgrades/rebuilds. Merry

Re: [drakelist] Confessions of an Appliance Operator

2007-12-24 Thread Eugene Balinski
"Eugene Balinski" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- All, One of the other solutions that is easy and quiet it to use a 24 volt DC fan and run it off of your station 12V DC supply. These fans are u

[drakelist] R-4 Crystal Replacement(s)

2007-12-24 Thread EP Swynar
Good Morning All, If you take a moment to click onto this site http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=220185518740&ssPageName=STRK:MEWA:IT&ih=012 it will become readily apparent why I'm experimenting here with the notion of using a dedicated RF signal generator as a replacement

Re: [drakelist] Confessions of an Appliance Operator

2007-12-24 Thread Dennis Monticelli
"Dennis Monticelli" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- This is the same scheme that I use. It is flexible, quiet, and completely non-invasive. Also, I second the recommendation on the Panasonic Panafl