Return-Path: <owner-rsgb_lf_group@blacksheep.org> Received: (qmail 30500 invoked from network); 11 Aug 2004 22:45:54 -0000 Received: from unknown (HELO ptb-spamcore01.plus.net) (192.168.71.1) by ptb-mailstore01.plus.net with SMTP; 11 Aug 2004 22:45:54 -0000 Received: from mailnull by ptb-spamcore01.plus.net with spamcore-l-b (Exim 4.32; FreeBSD) id 1Bv1uL-000KoD-TO for dave@picks.force9.co.uk; Wed, 11 Aug 2004 23:49:22 +0100 Received: from [192.168.67.1] (helo=ptb-mxcore01.plus.net) by ptb-spamcore01.plus.net with esmtp (Exim 4.32; FreeBSD) id 1Bv1uL-000KoA-Qk for dave@picks.force9.co.uk; Wed, 11 Aug 2004 23:49:21 +0100 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim 4.30; FreeBSD) id 1Bv1qz-000CWi-C0 for dave@picks.force9.co.uk; Wed, 11 Aug 2004 22:45:53 +0000 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Bv1qD-0006nH-Qq for rs_out_1@blacksheep.org; Wed, 11 Aug 2004 23:45:05 +0100 Received: from [193.82.116.30] (helo=relay.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Bv1qD-0006n8-CN for rsgb_lf_group@blacksheep.org; Wed, 11 Aug 2004 23:45:05 +0100 Received: from mail.libertysurf.net ([213.36.80.91]) by relay.thorcom.net with esmtp (Exim 4.41) id 1Bv1q9-00072G-FV for rsgb_lf_group@blacksheep.org; Wed, 11 Aug 2004 23:45:05 +0100 Received: from jboi0045tiscali (213.36.1.14) by mail.libertysurf.net (6.5.036) id 41199D87002592D7 for rsgb_lf_group@blacksheep.org; Thu, 12 Aug 2004 00:44:55 +0200 Message-ID: <00ae01c47ff4$be4112e0$0e0124d5@jboi0045tiscali> From: "F6CWN" <f6cwn@tiscali.fr> To: rsgb_lf_group@blacksheep.org References: <000d01c47d73$a61f59c0$3ad1fc3e@l8p8y6> Date: Wed, 11 Aug 2004 22:44:20 -0000 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: 213.36.80.91 is neither permitted nor denied by domain of tiscali.fr X-Spam-Score: 0.9 (/) X-Spam-Report: autolearn=no,HTML_30_40=0.809,HTML_MESSAGE=0.001,RCVD_IN_SORBS=0.1 Subject: LF: Re: HOT AIR Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com 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-Spam-Filtered: by PlusNet SpamCORE (v3.00) Content-transfer-encoding: 8bit <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=iso-8859-1"> <META content="MSHTML 6.00.2800.1458" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY style="COLOR: #000000; FONT-FAMILY: Arial" bgColor=#ffffff> <DIV><FONT size=2> <DIV><FONT size=2>11./08/2004 2157z</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2><STRONG>Hello Mal,</STRONG></FONT></DIV> <DIV><STRONG><FONT size=2></FONT></STRONG> </DIV> <DIV><STRONG><FONT size=2> My poor experiment with a kite is not very conclusive in RX mode...</FONT></STRONG></DIV> <DIV><STRONG><FONT size=2> The kite was 4.2 meter large ( delta design) in carbon fiber and spi snail.</FONT></STRONG></DIV> <DIV><STRONG><FONT size=2>The wire was 2 mm aluminium. At 110 meter AGL it is impossible to tune</FONT></STRONG></DIV> <DIV><STRONG>the variometer correcctly during a long period ( capacity move too much).</STRONG></DIV> <DIV><STRONG>But it's works fine if you want receive broadcast transmitter ( like France-inter</STRONG></DIV> <DIV><STRONG>on 162 KHz with 2.2 MW or BBC...!) I never receive OM LF station with this</STRONG></DIV> <DIV><STRONG>antenna ( intermodulations).</STRONG></DIV> <DIV><STRONG>Never forget to put a resistor between the wire and the ground and don't use</STRONG></DIV> <DIV><STRONG>wire with PE or PTFE, the voltage will be very high by dry wind ( many KV!).</STRONG></DIV> <DIV><STRONG></STRONG> </DIV> <DIV><STRONG>My conclusion:funny but dangerous!</STRONG></DIV> <DIV><STRONG></STRONG> </DIV> <DIV><STRONG>I thing that helium baloon is the same but more expensive...the wire is heavy</STRONG></DIV> <DIV><STRONG>and a little one is too resistive and delicate.</STRONG></DIV> <DIV><STRONG></STRONG> </DIV> <DIV><STRONG> Cheers: Jeff / F6CWN</STRONG></DIV></FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=g3kev.ham@virgin.net href="mailto:g3kev.ham@virgin.net">hamilton mal</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A title=rsgb_lf_group@blacksheep.org href="mailto:rsgb_lf_group@blacksheep.org">rsgb_lf_group@blacksheep.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, August 08, 2004 6:14 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> LF: HOT AIR</DIV> <DIV><BR></DIV> <DIV><FONT face=Arial size=2>There is plenty of this around on here!</FONT></DIV> <DIV><FONT face=Arial size=2>I am thinking of building or buying a small hot air baloon. I thought if I could get a suitable design and materials I would attempt to build one and use say a primus stove or small gas bottled device to generate the hot air.</FONT></DIV> <DIV><FONT face=Arial size=2>Has anyone tried this approach or got any ideas.</FONT></DIV> <DIV><FONT face=Arial size=2>Instead of unstable kites or helium balloons, gas hard to get in large quantities. I thought a hot air tethered balloon might be the approach. </FONT></DIV> <DIV><FONT face=Arial size=2>Your comments good or bad. I am not easily upset.</FONT></DIV> <DIV><FONT face=Arial size=2>de Mal/G3KEV</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV></BLOCKQUOTE></BODY></HTML>