Return-Path: <owner-rsgb_lf_group@blacksheep.org> Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mk06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 978F438000087; Wed, 28 Dec 2011 05:55:07 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Rfr9L-0007D4-Uz for rs_out_1@blacksheep.org; Wed, 28 Dec 2011 10:54:23 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Rfr9L-0007Cv-Ij for rsgb_lf_group@blacksheep.org; Wed, 28 Dec 2011 10:54:23 +0000 Received: from out1.ip05ir2.opaltelecom.net ([62.24.128.241]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from <g3kevmal@talktalk.net>) id 1Rfr9J-0007hc-7Y for rsgb_lf_group@blacksheep.org; Wed, 28 Dec 2011 10:54:23 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgEFAC70+k5Ok83O/2dsb2JhbABCl1kDlHKBBoFtFAEBA0kCLAIIAgEHARw5AQQaBggcHQECAgEBh2uVYZ85jA8EiASFLAGaBQ X-IronPort-AV: E=Sophos;i="4.71,420,1320624000"; d="scan'208,217";a="365364462" Received: from host-78-147-205-206.as13285.net (HELO xphd97xgq27nyf) ([78.147.205.206]) by out1.ip05ir2.opaltelecom.net with SMTP; 28 Dec 2011 10:54:15 +0000 Message-ID: <000c01ccc54f$06b698e0$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" <g3kevmal@talktalk.net> To: "rsgb" <rsgb_lf_group@blacksheep.org> Date: Wed, 28 Dec 2011 10:54:08 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: LOPT cores Content-Type: multipart/alternative; boundary="----=_NextPart_000_0009_01CCC54F.064B53F0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,HTML_MESSAGE 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-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:377145408:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d618a4efaf58b179a X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_0009_01CCC54F.064B53F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable LF/MF I use these cores a lot, fortunately I have collected lots over the = years. They appear to be compatable with other 3C85 types. I use them for 136 and also find them efficient on 500 Khz. I use a 1:3 = ratio on a single Decca unit 8/24 turns and it never gets warm even at = full output.=20 The gap is easily close by separating both halves, removing the spacer, = polishing both surfaces and clamping it back together again. Keep the spring wire clamping bracket and reuse to secure both halves in = a tight fit. 73 de mal/g3kev =20 ------=_NextPart_000_0009_01CCC54F.064B53F0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.2600.0" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT face=3DArial>LF/MF</FONT></DIV> <DIV><FONT face=3DArial>I use these cores a lot, fortunately I have = collected lots=20 over the years.</FONT></DIV> <DIV><FONT face=3DArial>They appear to be compatable with other 3C85=20 types.</FONT></DIV> <DIV><FONT face=3DArial>I use them for 136 and also find them = efficient on=20 500 Khz. I use a 1:3 ratio on a single Decca unit 8/24 = turns and=20 it never gets warm even at full output. </FONT></DIV> <DIV><FONT face=3DArial>The gap is easily close by separating both = halves,=20 removing the spacer, polishing both surfaces and clamping it back = together=20 again.</FONT></DIV> <DIV><FONT face=3DArial>Keep the spring wire clamping bracket and = reuse=20 to secure both halves in a tight fit.</FONT></DIV> <DIV><FONT face=3DArial>73 de mal/g3kev</FONT></DIV> <DIV> </DIV></BODY></HTML> ------=_NextPart_000_0009_01CCC54F.064B53F0--