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References: [ +from:ny1e@server.nlbbs.com: 36 ]

Total 36 documents matching your query.

21. [AMPS] filling holes in AL panel (score: 1): Author: ny1e@server.nlbbs.com (Dick McDuffie); Date: Sun, 20 Jun 1999 18:32:36 -0400; Has anyone ever filled a drilled hole in a rack panel? I was thinking of the stuff like liquid steel or whatever. I have two 5/16th holes in a used panel I'm building an amp with, I could just stick; /archives//html/Amps/1999-06/msg00543.html (7,459 bytes)
22. [AMPS] Parasitics (score: 1): Author: ny1e@server.nlbbs.com (Dick McDuffie); Date: Tue, 22 Jun 1999 22:37:35 -0400; without and it didn't work for me, in a few amps. One occurance does not make a rule. de Dick NY1E -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative; /archives//html/Amps/1999-06/msg00583.html (8,882 bytes)
23. [AMPS] homemade 8877 socket (score: 1): Author: ny1e@server.nlbbs.com (Dick McDuffie); Date: Tue, 11 May 1999 07:50:30 -0400; Was there someone with $190 8877 pulls? or was that years ago.... Thanks, Dick NY1E -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps; /archives//html/Amps/1999-05/msg00134.html (7,021 bytes)
24. [AMPS] Need 30PF vac variable (score: 1): Author: ny1e@server.nlbbs.com (Dick McDuffie); Date: Thu, 20 May 1999 15:52:40 -0400; I'm looking for a 25 or 30 PF vacuum variable at least 10KV, I got my 4-1000A amp running on 6M with a 500 PF cap using the "tap the tuning cap off the coil" trick, but I can't get any efficiancy out; /archives//html/Amps/1999-05/msg00245.html (7,175 bytes)
25. [AMPS] 6M HB amp 13% eff. (score: 1): Author: ny1e@server.nlbbs.com (Dick McDuffie); Date: Sat, 29 May 1999 16:53:19 -0400; I just finished a 4-1000A for 6M, with a 3-30pf vac cap and 7.6 pf of tube capacitance, already too much for a 5000 ohm plate impedance. I've built a 6m 4X1 with 30pf vac cap before and it ran 1500 o; /archives//html/Amps/1999-05/msg00342.html (7,128 bytes)
26. [AMPS] update on 13% eff 6M amp (score: 1): Author: ny1e@server.nlbbs.com (Dick McDuffie); Date: Mon, 31 May 1999 17:07:15 -0400; I just had my 1st QSO with the 4-1000A 6M amp, running 750 out at 50% eff. the problem was (is) two high of a load impeadance, I tried lowering the plate voltage with a variac and eff came up every s; /archives//html/Amps/1999-05/msg00346.html (7,454 bytes)
27. [AMPS] 3 phase plate xfmr (score: 1): Author: ny1e@server.nlbbs.com (Dick McDuffie); Date: Sun, 04 Apr 1999 08:13:57 -0400; Can I use a 3 phase plate transformer from a plasma generator on single phase? is it as easy as ignoring one input & output? thanks, Dick NY1E -- FAQ on WWW: http://www.contesting.com/ampfaq.html Sub; /archives//html/Amps/1999-04/msg00061.html (6,851 bytes)
28. [AMPS] 3 phase xfmr works! (score: 1): Author: ny1e@server.nlbbs.com (Dick McDuffie); Date: Sun, 04 Apr 1999 17:27:38 -0400; After an afternoon of playing around my amp is back on the air at 6KV (4-1000A'S) The three phase transformer was from a 3CX3000 plasma generator, it had three coils each with a multi-tap primary and; /archives//html/Amps/1999-04/msg00065.html (6,942 bytes)
29. [AMPS] voltage drop (score: 1): Author: ny1e@server.nlbbs.com (Dick McDuffie); Date: Sun, 25 Apr 1999 18:22:08 -0400; My plate voltage drops from 5600 VDC to 4700 under load,(pair 4-1000A's .7A) My line voltage drops from 240 to 233. My filter cap is a pair of 32uf oil caps in series. My last amp used 16uf filter ca; /archives//html/Amps/1999-04/msg00391.html (7,053 bytes)
30. [AMPS] Re: Re: Voltage drop (score: 1): Author: ny1e@server.nlbbs.com (Dick McDuffie); Date: Mon, 26 Apr 1999 08:06:18 -0400; Thanks for all the responces, I guess I'll leave well enough alone. I should have mentioned I'm running a 3 phase transformer on single phase, so I'm happy to be getting what I am! I wasn't so worrie; /archives//html/Amps/1999-04/msg00397.html (7,046 bytes)
31. [AMPS] HV PS Diodes (score: 1): Author: ny1e@server.nlbbs.com (Dick McDuffie); Date: Thu, 29 Apr 1999 08:44:39 -0400; Dave, I spoke to K2AW on the phone once about paralleling his blocks, He talked me out of it, they are conservitivly rated, made out of 3A diodes. I just ran the normal configuration. 73 de Dick NY1E; /archives//html/Amps/1999-04/msg00444.html (8,849 bytes)
32. [AMPS] need plate transformer (score: 1): Author: ny1e@server.nlbbs.com (Dick McDuffie); Date: Sat, 06 Mar 1999 11:20:41 -0500; My homebrew 4-1000 amp has been up & running for a couple months now, but I smoked the plate transformer in ARRL DX this weekend, it was an old transformer made for tube rectifiers and choke input, t; /archives//html/Amps/1999-03/msg00125.html (7,301 bytes)
33. [AMPS] need plate transformer (score: 1): Author: ny1e@server.nlbbs.com (Dick McDuffie); Date: Sat, 06 Mar 1999 13:16:20 -0500; I have Dahl filament transformer, plate choke and filament chokes in the amp, but at $395 for the plate transformer it will be the last resort! -- FAQ on WWW: http://www.contesting.com/ampfaq.html S; /archives//html/Amps/1999-03/msg00128.html (7,511 bytes)
34. [AMPS] arcing in tube? (score: 1): Author: ny1e@server.nlbbs.com (Dick McDuffie); Date: Thu, 07 Jan 1999 09:30:55; I fired a homebrew amp for the first time last night, it worked fine for first version, I have four 4-1000A's and tried them 1 at a time, two of them make an arcing sound on the reciever when the HV; /archives//html/Amps/1999-01/msg00089.html (7,290 bytes)
35. [AMPS] 4-1000A plate caps (score: 1): Author: ny1e@server.nlbbs.com (Dick McDuffie); Date: Wed, 13 Jan 1999 23:26:25; I'm not sure how to explain this, I have a couple of 4-1000's with only the 1/4" rod sticking out of the top, I need the cap that brings it to 9/16". does anyone have an old tube that the allen screw; /archives//html/Amps/1999-01/msg00167.html (6,827 bytes)
36. [AMPS] Need coil for RJ1A relay (score: 1): Author: ny1e@server.nlbbs.com (Dick McDuffie); Date: Thu, 24 Dec 1998 02:50:44 -0500; I broke a terminal off the coil in my Jennings RJ1A vacuum relay. Does anyone have one with burnt contacts they'd sell the coil out of? Thanks de Dick NY1E -- FAQ on WWW: http://www.contesting.com/am; /archives//html/Amps/1998-12/msg00361.html (6,711 bytes)

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