Return-Path: Received: (qmail 50603 invoked from network); 20 Jan 2005 16:24:19 -0000 Received: from unknown (HELO ptb-spamcore02.plus.net) (192.168.71.3) by ptb-mailstore02.plus.net with SMTP; 20 Jan 2005 16:24:19 -0000 Received: from mailnull by ptb-spamcore02.plus.net with spamcore-l-b (Exim 4.32; FreeBSD) id 1Crf2Y-000Bo4-3H for dave@picks.force9.co.uk; Thu, 20 Jan 2005 16:20:11 +0000 Received: from [192.168.67.2] (helo=ptb-mxcore02.plus.net) by ptb-spamcore02.plus.net with esmtp (Exim 4.32; FreeBSD) id 1Crf2X-000Bno-Gc for dave@picks.force9.co.uk; Thu, 20 Jan 2005 16:20:09 +0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Crf6W-00093G-D4 for dave@picks.force9.co.uk; Thu, 20 Jan 2005 16:24:16 +0000 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Crf52-0004wF-PO for rs_out_1@blacksheep.org; Thu, 20 Jan 2005 16:22:44 +0000 Received: from [193.82.116.30] (helo=relay.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Crf52-0004w6-Dx for rsgb_lf_group@blacksheep.org; Thu, 20 Jan 2005 16:22:44 +0000 Received: from smtpout01-04.mesa1.secureserver.net ([64.202.165.79]) by relay.thorcom.net with smtp (Exim 4.43) id 1Crf4y-0000il-QY for rsgb_lf_group@blacksheep.org; Thu, 20 Jan 2005 16:22:44 +0000 Received: (qmail 22339 invoked from network); 20 Jan 2005 16:22:18 -0000 Received: from unknown (208.37.242.34) by smtpout01-04.mesa1.secureserver.net (64.202.165.79) with ESMTP; 20 Jan 2005 16:22:18 -0000 Message-ID: <000e01c4ff0c$867dac50$3801a8c0@JKA> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <000901c4feac$b818ce80$6401a8c0@eagles> <002501c4fee9$5312e9c0$0500a8c0@charter.net> <001c01c4fedd$f0b8ffe0$b9c828c3@erica> Date: Thu, 20 Jan 2005 11:24:26 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1437 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 X-SPF-Result: relay.thorcom.net: 64.202.165.79 is neither permitted nor denied by domain of w1tag.com X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=failed,none Subject: LF: Re: Re: Re: Coil Winding, de VY1JA Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-Spam-Filtered: by PlusNet SpamCORE (v3.00) Peter, > An article called Low Frequency Coil Q, by Bill Bowers, is reproduced in the > Low Frequency Experimenter's Handbook, Page 65 That's probably where I saw it, as I didn't belong to the LWCA back when Bill wrote a lot of those articles. And Jim makes a very good point -- the U.S. work done at the 1 watt level may help you create an excellent flamethrower at 1 kw. Thought has to be given to breakdown voltages. John Andrews