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[166.82.158.111]) by mx.google.com with ESMTPSA id q66sm31414361yhj.44.2014.04.01.10.31.24 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 01 Apr 2014 10:31:24 -0700 (PDT) Message-ID: <533AF7E2.2050401@gmail.com> Date: Tue, 01 Apr 2014 13:31:14 -0400 From: Dexter McIntyre W4DEX User-Agent: Messenger 9.0a1 (Windows/20071115) MIME-Version: 1.0 To: "rsgb_lf_group@blacksheep.org" X-Spam-Score: -0.7 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: I've received a lot of questions about the new coil: https://www.dropbox.com/s/2s04hl1zhs4qfhd/25mh_coil.jpg The form is a pool chemical container from about 20 years past. Resorting to a more sensible measurement standard I conclude the following: [...] Content analysis details: (-0.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [209.85.213.43 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (dexter.mc[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: bb61bee384896e075004ae5ec954ddd2 Subject: LF: WH2XBA/4 coil Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=TO_ADDRESS_EQ_REAL 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 I've received a lot of questions about the new coil: https://www.dropbox.com/s/2s04hl1zhs4qfhd/25mh_coil.jpg The form is a pool chemical container from about 20 years past. Resorting to a more sensible measurement standard I conclude the following: Total turns counts 325 Coil length 375 mm This indicates a wire size of AWG 17 which is 1.15 mm diameter (375 mm / 325 turns = 1.1538 mm per turn) Coil diameter 350 mm This calculates to approximately 24 mH which is close to the 25 mH I initially measured which I later revised to 26.1 mH. However I've made so many calculation errors recently this also may change :) Dex