Return-Path: Received: (qmail 89118 invoked from network); 21 Jan 2005 07:43:19 -0000 Received: from unknown (HELO ptb-spamcore02.plus.net) (192.168.71.3) by ptb-mailstore01.plus.net with SMTP; 21 Jan 2005 07:43:19 -0000 Received: from mailnull by ptb-spamcore02.plus.net with spamcore-l-b (Exim 4.32; FreeBSD) id 1CrtO0-000Ozv-9K for dave@picks.force9.co.uk; Fri, 21 Jan 2005 07:39:18 +0000 Received: from [192.168.67.3] (helo=ptb-mxcore03.plus.net) by ptb-spamcore02.plus.net with esmtp (Exim 4.32; FreeBSD) id 1CrtO0-000Ozo-1H for dave@picks.force9.co.uk; Fri, 21 Jan 2005 07:39:16 +0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1CrtRs-0009CF-EJ for dave@picks.force9.co.uk; Fri, 21 Jan 2005 07:43:16 +0000 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1CrtR4-0001BH-JQ for rs_out_1@blacksheep.org; Fri, 21 Jan 2005 07:42:26 +0000 Received: from [193.82.116.30] (helo=relay.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1CrtR4-0001B8-8D for rsgb_lf_group@blacksheep.org; Fri, 21 Jan 2005 07:42:26 +0000 Received: from [212.250.162.15] (helo=mta05-winn.mailhost.ntl.com) by relay.thorcom.net with esmtp (Exim 4.43) id 1CrtQz-0001mD-R1 for rsgb_lf_group@blacksheep.org; Fri, 21 Jan 2005 07:42:26 +0000 Received: from aamta07-winn.mailhost.ntl.com ([212.250.162.8]) by mta05-winn.mailhost.ntl.com with ESMTP id <20050121074202.NUVH2441.mta05-winn.mailhost.ntl.com@aamta07-winn.mailhost.ntl.com> for ; Fri, 21 Jan 2005 07:42:02 +0000 Received: from mikedennison ([80.4.116.83]) by aamta07-winn.mailhost.ntl.com with ESMTP id <20050121074201.FLYF3971.aamta07-winn.mailhost.ntl.com@mikedennison> for ; Fri, 21 Jan 2005 07:42:01 +0000 From: "Mike Dennison" To: rsgb_lf_group@blacksheep.org Date: Fri, 21 Jan 2005 07:41:57 -0000 MIME-Version: 1.0 Message-ID: <41F0B245.10974.3969DA@localhost> In-reply-to: <005c01c4ff30$ea189850$6401a8c0@eagles> X-mailer: Pegasus Mail for Windows (v4.12a) Content-description: Mail message body X-SPF-Result: relay.thorcom.net: domain of ntlworld.com designates 212.250.162.15 as permitted sender X-Spam-Score: 1.9 (+) X-Spam-Report: autolearn=no,FORGED_RCVD_HELO=0.05,RCVD_IN_BL_SPAMCOP_NET=1.832 Subject: Re: LF: Coil Winding2, de VY1JA Content-type: text/plain; charset=US-ASCII; 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) On 20 Jan 2005 at 20:45, J. Allen wrote: > I was thinking of reducing the solenoid loss by paralleling two or > more #17 wires and close-winding them. If I parallel wind three #17 > wires will it be worth the effort in reducing coil loss or does a > simple coil with only one #17 conductor make any sense here? I will > be running 200 W for now. I made a coil some time ago with two parallel wires and it did not perform well at all. I do not know why. In any case, there is no point in spending too much time on the coil when the 'earth' (actually environmental) losses will be far greater. You would be better spending the effort on improving the antenna and insulation. Mike, G3XDV http://lf.apersonalguide.co.uk =========================