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1. [Amps] Cheap right angle drives (score: 1): Author: qrp73 at talk21.com (qrp73@talk21.com); Date: Mon Jun 23 08:19:23 2003; I needed a couple of right angle drives for my vacuum variables but could not find them anywhere. Nobody seems to stock the Cardwell units. I researched the mechanical engineering shop option, they j; /archives//html/Amps/2003-06/msg00188.html (8,490 bytes)
2. [Amps] Cheap Right Angle Drives (score: 1): Author: qrp73 at talk21.com (qrp73@talk21.com); Date: Fri Jun 27 08:17:21 2003; Thanks to all who offered advice. I have played with this drill right angle drive and find it to be excellent. Very Little backlash and very large bevel gears. The Shafts are 10mm od. You can actuall; /archives//html/Amps/2003-06/msg00228.html (8,228 bytes)
3. [Amps] TenTec+Nichrome (score: 1): Author: qrp73 at talk21.com (qrp73@talk21.com); Date: Thu Mar 27 10:48:22 2003; Hi AMPS Ten Tec has released their new 2 X 4cx800 amp, the Titan 3. You can see a good picture on their web page. You can clearly see a Nichrome style suppressor as per Rich's web page instructions.; /archives//html/Amps/2003-03/msg00870.html (7,580 bytes)
4. [Amps] Cheap Bird 4410 (score: 1): Author: qrp73 at talk21.com (qrp73@talk21.com); Date: Mon Feb 3 10:25:12 2003; Hi Amps People There is good Bird 4410 going cheap on Ebay. Just do a search on Bird 4410. It looks in excellent condition. This is the Bird with single switchable element up to 10KW. It will certain; /archives//html/Amps/2003-02/msg00032.html (6,745 bytes)
5. [Amps] KVAR Caps Rating (score: 1): Author: qrp73@talk21.com (qrp73@talk21.com); Date: Sat, 4 Jan 2003 09:27:59 GMT+00:00; Could someone explain how the Kvar rating of doorknobs caps are calculated. I have two caps one with a 30KVAR rating and one of 60 KVAR rating. Is it just E X I? What would the RF current ratings of; /archives//html/Amps/2003-01/msg00033.html (7,427 bytes)
6. [Amps] Interesting Wonder Plate Choke? (score: 1): Author: qrp73@talk21.com (qrp73@talk21.com); Date: Fri, 8 Nov 2002 06:27:23 GMT+00:00; Hi Folks RF Parts in California have a interesting New plate choke that may be of interest to Amp Builders. The claims for this choke include broaband coverage 1-60mhz with no resonances. It seems to; /archives//html/Amps/2002-11/msg00116.html (6,936 bytes)
7. [Amps] Resonant Choke Info (score: 1): Author: qrp73@talk21.com (qrp73@talk21.com); Date: Sat, 9 Nov 2002 01:42:56 GMT+00:00; There is a good article on resonant choke supplies for those seeking further information on this topic. See www.qsl.net/i0jx/ The Tube with Handles project is a good read too. Greg -- talk21 your FRE; /archives//html/Amps/2002-11/msg00141.html (6,505 bytes)
8. [Amps] Wanted Resonant Choke Article (score: 1): Author: qrp73@talk21.com (qrp73@talk21.com); Date: Thu, 14 Nov 2002 01:31:29 GMT+00:00; I am looking for a copy of a article titled "Tuned Choke Inputs" Fred Brown CQ October 1967 p80. The resonant choke supply seems to be a can of worms that not many people know about. Anybody have a s; /archives//html/Amps/2002-11/msg00219.html (6,610 bytes)
9. [Amps] Output Safety Choke Value (score: 1): Author: qrp73@talk21.com (qrp73@talk21.com); Date: Fri, 15 Nov 2002 07:39:47 GMT+00:00; Whats the current thinking on the output safety choke value. I have seen everything from 50uh to 2.5mh. What is the criteria for selecting the correct value. Thanks Greg -- talk21 your FREE portable; /archives//html/Amps/2002-11/msg00236.html (7,466 bytes)
10. [Amps] Simple Tetrode Protection (score: 1): Author: qrp73@talk21.com (qrp73@talk21.com); Date: Sat, 16 Nov 2002 11:47:47 GMT+00:00; There is a great simple overcurrent protection schematic on ve1alq's web page. See www.ve1alq.com go to power supplies section , and at the bottom of the page is the diagram for a complete 4cx3000 sc; /archives//html/Amps/2002-11/msg00270.html (6,741 bytes)
11. [Amps] neoprene tube chimneys link (score: 1): Author: qrp73 at talk21.com (qrp73@talk21.com); Date: Wed Aug 20 20:34:01 2003; Hi Amps I came across this link while looking for a chimney for YC156. I dont know what the prices are like, nor have i had dealings with these people. They seem to have a large range of neoprene rub; /archives//html/Amps/2002-09/msg00405.html (6,779 bytes)
12. [Amps] Johnston 226 Roller? (score: 1): Author: qrp73@talk21.com (qrp73@talk21.com); Date: Mon, 15 Jul 2002 13:07:09 GMT+01:00; I need a roller inductor for my amp. I was considering purchasing the Johnston 226 Roller Inductor from Surplus sales. Any opinions on the reliabilty of these units? I can only find new rollers from; /archives//html/Amps/2002-07/msg00196.html (6,901 bytes)
13. [Amps] PiL Current ratings? (score: 1): Author: qrp73@talk21.com (qrp73@talk21.com); Date: Mon, 15 Jul 2002 13:41:58 GMT+01:00; When sizing the coil wire size for the L part of a a PiL, can you assume that the current is the same as in the tank circuit as a whole? Greg -- talk21 your FREE portable and private address on the n; /archives//html/Amps/2002-07/msg00200.html (6,916 bytes)
14. [Amps] 2 x 4cx1500b Tube matching? (score: 1): Author: qrp73@talk21.com (qrp73@talk21.com); Date: Tue, 16 Jul 2002 06:18:52 GMT+01:00; I want a build a dual 4cx1500b amplifier. I managed to obtain a batch of unmatched 4cx1500b's all different date codes. I was wondering which method would be best to achieve matched and balanced tube; /archives//html/Amps/2002-07/msg00212.html (8,441 bytes)

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