Mail Archive Search: <+from:rstealey@hotmail.com>

Results:

References: [ +from:rstealey@hotmail.com: 73 ]

Total 73 documents matching your query.

41. Re: [Amps] SB-221 parasitic supression upgrade kit (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Thu, 20 Nov 2008 19:05:05 +0000; If your amp used to be stable why do you think it would suddenly start arcing, or go into parasitic osc.? It IS possible the resistors in the parasitic chokes changed value, and that should be easy t; /archives//html/Amps/2008-11/msg00199.html (7,850 bytes)
42. Re: [Amps] Subject: SB-221 parasitic supression upgrade kit (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Fri, 21 Nov 2008 12:18:19 +0000; Greg, You are really on to something here, very interesting. Your message is very timely because I am working on just that same scenario in my homebrew amp. So far I have measured the vacuum antenna; /archives//html/Amps/2008-11/msg00209.html (9,477 bytes)
43. [Amps] Sequencing relays (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Sat, 22 Nov 2008 14:37:35 +0000; I had a couple emails from guys asking about how I measured the switching times in the amp and exciter. All relay measurements in amp are made with no filament voltage and no high voltage. No excepti; /archives//html/Amps/2008-11/msg00220.html (10,390 bytes)
44. Re: [Amps] Ameritron AL-1200 problem on 160 meters (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Wed, 26 Nov 2008 13:40:58 +0000; There are a lot of questions on the reflector similar to this one. Usually the advice given is to check the bandswitch, relay, padding caps and measure the swr on the input circuit to be sure you are; /archives//html/Amps/2008-11/msg00236.html (8,759 bytes)
45. Re: [Amps] Ameritron AL-1200 problem on 160 meters (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Wed, 26 Nov 2008 16:34:50 +0000; Usually so, Yes. I made mine 3 seconds, because it is so cool to hit the switch on the amp and see the "NO HV" warning light go out, then 3 seconds later hear that thump as the relay closes. _______; /archives//html/Amps/2008-11/msg00238.html (7,521 bytes)
46. Re: [Amps] Ameritron AL-1200 problem on 160 meters (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Fri, 28 Nov 2008 05:03:41 +0000; In my posting on this subject where I talked about lengthening the time delay on a step-start I was referring to my homebrew amp. I got a few emails from guys asking how I did it on my 1200. So I loo; /archives//html/Amps/2008-11/msg00240.html (8,699 bytes)
47. Re: [Amps] how to measure tank (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Sun, 30 Nov 2008 13:33:55 +0000; One way is to hook up like the other guys are saying, but also put a directional coupler in series with the tracking generator. Any reflected power will show up in the coupled port, where you attach; /archives//html/Amps/2008-11/msg00254.html (7,920 bytes)
48. Re: [Amps] Vacuum Relay Issues (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Tue, 2 Dec 2008 03:00:16 +0000; Tom, I don't completely understand either, what the others have said as to why the receive contacts would be intermittent, even if there was a sequencing problem, because it's a different set of cont; /archives//html/Amps/2008-12/msg00024.html (8,858 bytes)
49. Re: [Amps] 3CPX1500A7 Fil Voltage (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Sat, 10 Jan 2009 15:37:48 +0000; I'm using one of those tubes in my homebrew amp that I got from W1QJ. My original tube was an 8877 and it arc'd. Louie provided the CPX tube, said it was ok, and I set it at 5 volts on the filament a; /archives//html/Amps/2009-01/msg00077.html (7,691 bytes)
50. [Amps] Slow keying issue (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Tue, 27 Jan 2009 14:30:35 +0000; The responses so far don't really mesh with the evidence Bob, NX5M presented: not really kicking in until after the first or second letter of my call was sent. He says the relay (presumably in the PA; /archives//html/Amps/2009-01/msg00313.html (8,274 bytes)
51. Re: [Amps] Riley's Replacement (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Sat, 31 Jan 2009 13:46:36 +0000; Well, we COULD 1) rename the list "amps and the FCC." Or we could 2) restrict discussions to amplifiers. Or 2)discussions like this could take place somewhere such as QRZ.com, the "Talk Forum." Or w; /archives//html/Amps/2009-01/msg00375.html (7,592 bytes)
52. [Amps] SB-220 troubles (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Mon, 16 Feb 2009 17:37:16 +0000; I have installed two safety indicators on my amp to remind me if I am about to do something stupid due to my forgetfulness or carelessness. I have a neon bulb across part of the HV dropping resistor; /archives//html/Amps/2009-02/msg00507.html (7,700 bytes)
53. Re: [Amps] motor run cap (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Fri, 8 May 2009 13:57:37 +0000; I think I sent you a heavy current cap to be used as a feedthrough for filament voltage, didn't I? Don't really remember. I think that idea of getting a proper motor capacitor at a supply shop is a; /archives//html/Amps/2009-05/msg00043.html (8,094 bytes)
54. [Amps] Life of 3CX800 tubes (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Thu, 10 Dec 2009 17:20:35 +0000; I have an Alpha 89 I am selling here for a friend who is no longer able to use his equipment. I have a sale pending but the buyer is sceptical about the condition of the finals. I have carefully tune; /archives//html/Amps/2009-12/msg00264.html (7,661 bytes)
55. Re: [Amps] Variac repairs (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Sat, 26 Dec 2009 22:26:16 +0000; The question is, do winding resistance, No. Just think about it, the variac is good for 5 amps continuous. That's over 500 watts. If your 220 transformer was drawing 500 watts you'd notice the heat.; /archives//html/Amps/2009-12/msg00541.html (7,235 bytes)
56. Re: [Amps] AMP MODS (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Mon, 14 Jun 2010 13:07:10 +0000; What makes you think the amp is/was unstable? If it wasn't unstable when it was built (and Henry made a LOT of those amps), why would it need any redesign, or mods? The general concensus on this refl; /archives//html/Amps/2010-06/msg00169.html (7,351 bytes)
57. Re: [Amps] 2 x 4-1000 supressor. (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Sun, 18 Jul 2010 12:14:05 +0000; I respect and appreciate the opinions of both of you guys. But if you have each others email addresses how about doing your arguing and mud slinging privately? I also would hate to see either of you; /archives//html/Amps/2010-07/msg00202.html (8,936 bytes)
58. Re: [Amps] Initial test of 813 amplifier (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Sun, 15 Aug 2010 13:01:51 +0000; Vic, I think if it is an HF oscillation the plate tank components will have a large effect on it, whereas if it is a parasitic they won't. In fact, if it is an HF osc you can probably stop it entirel; /archives//html/Amps/2010-08/msg00215.html (7,316 bytes)
59. Re: [Amps] 6146 via 572b's (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Wed, 13 Oct 2010 12:35:23 +0000; QRPers get no sympathy on this reflector! But you are right Jim. It's not the QRP guy, it's the OTHER guy who did all the work. _______________________________________________ Amps mailing list Amps; /archives//html/Amps/2010-10/msg00222.html (7,962 bytes)
60. [Amps] Drake L7 strange capacitors (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Tue, 29 Mar 2011 23:10:45 +0000; Could anyone explain the reason for the strange configuration of capacitors on the Drake L7? They have what looks like printed circuit board material made into a capacitor. They have one across a por; /archives//html/Amps/2011-03/msg00268.html (6,832 bytes)

Current List: 41 - 60
Page: [1] [2] [3] [4]