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Total 7 documents matching your query.

1. [Amps] Core wrapping? (score: 1): Author: TMorton <cx7tt@4email.net>; Date: Wed, 12 Nov 2008 15:31:50 -0200; Am in the process of building up a 8877 amp and now working on the Tank Circuit coils....I am pretty much following the ARRL Handbook 2006 for L4 and L3 (160,80m). to handle the high power, I am usin; /archives//html/Amps/2008-11/msg00130.html (6,746 bytes)
2. Re: [Amps] Core wrapping? (score: 1): Author: "W7RY" <w7ry@arrl.net>; Date: Wed, 12 Nov 2008 14:50:23 -0800; Hey Tom... I did not tape each core. Just tape all 3 cores together. And yes, I still owe you some pictures! :) 73 Jim W7RY Am in the process of building up a 8877 amp and now working on the Tank Cir; /archives//html/Amps/2008-11/msg00138.html (7,981 bytes)
3. Re: [Amps] Core wrapping? (score: 1): Author: Sugiyama <ji3kdh@2333.net>; Date: Thu, 13 Nov 2008 18:19:37 +0900; It's better that the nearer a core each other is, so they should be stacked before wrapping, I think. 73 Sugi JI3KDH _______________________________________________ Amps mailing list Amps@contesting.; /archives//html/Amps/2008-11/msg00146.html (7,853 bytes)
4. Re: [Amps] Core wrapping? (score: 1): Author: "alexeban" <alexeban@gmail.com>; Date: Sun, 16 Nov 2008 17:00:21 +0200; ...first, core wrapping stems from the time when cores were unpainted. Indiana General were notorious! Second, the wrapping was done in order to avoid arcing to the core at a time when wire insulatio; /archives//html/Amps/2008-11/msg00161.html (8,784 bytes)
5. Re: [Amps] Core wrapping? (score: 1): Author: "Bob Maser" <bmaser@tampabay.rr.com>; Date: Sun, 16 Nov 2008 07:10:10 -0800; Just a factoid on Formvar coating. The company I worked for in CA used a lot of it and when it got old and you tried to bend it the Formvar coating would crack and expose the base copper. Since we on; /archives//html/Amps/2008-11/msg00162.html (10,139 bytes)
6. Re: [Amps] Core wrapping? (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Sun, 16 Nov 2008 11:06:54 -0500; For the slight extra tape expense it pays to be conservative in your approach. Teflon still cold flows as it has done for decades. I just got thru with an Alpha 76PA repair were the Teflon sleeved bu; /archives//html/Amps/2008-11/msg00163.html (10,503 bytes)
7. Re: [Amps] Core wrapping? (score: 1): Author: Colin Lamb <k7fm@teleport.com>; Date: Sun, 16 Nov 2008 09:17:00 -0800 (GMT-08:00); Because of the flow problems with teflon wire, it has been replaced by tefzel wire in aircraft. Tefzel insulation is tougher and does not flow. Looks like teflon (white). Tefzel is available in silve; /archives//html/Amps/2008-11/msg00164.html (7,829 bytes)

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