Return-Path: Received: (qmail 22798 invoked from network); 8 Nov 2003 17:51:04 -0000 Received: from netmail00.services.quay.plus.net (212.159.14.218) by mailstore with SMTP; 8 Nov 2003 17:51:04 -0000 Received: (qmail 21313 invoked from network); 8 Nov 2003 17:51:04 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com (193.82.116.20) by netmail00.services.quay.plus.net with SMTP; 8 Nov 2003 17:50:58 -0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AIXDG-0004bl-IT for rsgb_lf_group-outgoing@blacksheep.org; Sat, 08 Nov 2003 17:49:30 +0000 Received: from [64.136.30.74] (helo=m11.lax.untd.com) by post.thorcom.com with smtp (Exim 4.14) id 1AIXDF-0004bN-DZ for rsgb_lf_group@blacksheep.org; Sat, 08 Nov 2003 17:49:29 +0000 Received: from cookie.untd.com by cookie.untd.com for <"yokUgcxCbtTP7XLrpefewKiCvr9tU1NvAZK4+0VveciAUGuDZLC3FQ==">; Sat, 08 Nov 2003 09:48:56 PST Received: (from riese-k3djc@juno.com) by m11.lax.untd.com (jqueuemail) id JEGWFAN8; Sat, 08 Nov 2003 09:48:56 PST To: rsgb_lf_group@blacksheep.org Date: Sat, 8 Nov 2003 12:28:35 -0500 Message-ID: <20031108.124807.932.1.riese-k3djc@juno.com> X-Mailer: Juno 5.0.13 MIME-Version: 1.0 X-Juno-Line-Breaks: 0,2-6,8-32 From: riese-k3djc@juno.com Subject: Re: LF: On Air Testing Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rsgb_lf_group-outgoing@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-Spam-Rating: 1 With all the comments on Loads,,, put them in a container and add mineral oil would really boost their rating ,, just allow for some venting Bob K3DJC On Sat, 8 Nov 2003 01:23:05 +0100 0482183881-0001@t-online.de (jannsen) writes: > James Moritz schrieb: > > ............... > > > Several people have resorted to electric heating elements like > > toasters and fan heaters to make satisfactory LF dummy loads. > > Hi Jim es all, > > here are two dummy loads in use; one is a bulb 110V/DC500W, Z 35 Ohm > on 136kHz > (bridge measurement) and the other is made of four hollow ceramic > resistors > 200 Ohm/60W each, makes 200W only. but blowing air through the > resistors > (see attachment) makes a lukewarm 300W dummy on 136kHz (0,4uH only). > > I tried 800W. A peace of paper above the dummy caught fire within 10 > sec. > > regards > Uwe/dj8wx > > >