Return-Path: X-Spam-DCC: paranoid 1290; Body=3 Fuz1=3 Fuz2=3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, SPF_PASS autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id u3T9HRID003460 for ; Fri, 29 Apr 2016 11:17:27 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1aw4To-0007mO-EY for rs_out_1@blacksheep.org; Fri, 29 Apr 2016 10:12:56 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1aw4To-0007mF-5R for rsgb_lf_group@blacksheep.org; Fri, 29 Apr 2016 10:12:56 +0100 Received: from mail-oi0-x230.google.com ([2607:f8b0:4003:c06::230]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.87) (envelope-from ) id 1aw4Tm-0003QP-9W for rsgb_lf_group@blacksheep.org; Fri, 29 Apr 2016 10:12:55 +0100 Received: by mail-oi0-x230.google.com with SMTP id v145so78770890oie.0 for ; Fri, 29 Apr 2016 02:12:54 -0700 (PDT) X-DKIM-Result: Domain=gmail.com Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-transfer-encoding; bh=cb6MWzU8/FwwyWKbN5Cjdn0Bfx7iQ0Nyy5wMjlBLdSg=; b=xISjrSbUye/Cc+fNzZd5GQt8LC94GBMHtz5pUugKlHzZCC0B7JtMfA6m+xl6EffyNi Z1DiL6DEKu1UEnAjl8to9RUhmLRamyewMlwlrRBfQcdnlSQU23gWaIQuL6xz5HP2H2ez YUh9TD6jrbkHbSdoDOIUKm2AQ5bkWv49NpOf7u/7LBCwP+azlP26CiLWsy8Bucr6eCCf M8ILQFduSeBh4cxIbamR+iI4rzpdYfrdRf9qCiiKzX0v1h67JuepwFd0plLhyoD6aVcF CT4BvF0MzyTemduu5V8LsNJLvu+Vic/hjPQofGBavi5mVRm2AbDgyQItYu37r28eLuOX +e7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-transfer-encoding; bh=cb6MWzU8/FwwyWKbN5Cjdn0Bfx7iQ0Nyy5wMjlBLdSg=; b=PoyoyVCZFPkeZZ5GYHIhNZyhH+dOKBlVK5jrt+1w4SZ9tYGKTF1fZghAMA1DXwKU0F atKaJVkD+vnYnIkaWmyiqYVu4Fk52N/Ddk7P94EewA76vSL7R1oul2/gPfnSiRsR5k85 3m8KuDHcBAyWGYeoRYXOjGjYtJp3LlT8yYSrCDiqWLtt62v2epLMl3sflqfF8+0JMDK+ mxmH5lc7FqKSowITIcxlhH1MU0F2ep67fPi7abIMY32OLfZPXndzSj3ampX+WiykkXOG H1HUprKCA8V3TWXuayVH3iucDBS3/0JwTszP1I/98tGkEtC+rxb/oegwCu91oeKyiY3/ kwxw== X-Gm-Message-State: AOPr4FW/1IiROqnBy1EFsC5noH0/+PCobdnBZF+fjU9zfk6STMf49Ak0u7l5jStjEpaCjOpKBORADzzBe6H6Jw== MIME-Version: 1.0 X-Received: by 10.157.39.69 with SMTP id r63mr8443852ota.110.1461921172184; Fri, 29 Apr 2016 02:12:52 -0700 (PDT) Received: by 10.202.74.146 with HTTP; Fri, 29 Apr 2016 02:12:52 -0700 (PDT) In-Reply-To: <579355A36AEE9D4FA555C45D556003AB53B791DC@servigilant.vigilant.local> References: <579355A36AEE9D4FA555C45D556003AB53B791DC@servigilant.vigilant.local> Date: Fri, 29 Apr 2016 05:12:52 -0400 Message-ID: From: Warren Ziegler To: rsgb_lf_group X-Scan-Signature: c9d6a1e47761f7ec7375ac340bef30d0 Subject: Re: LF: Paint buckets as coil forms Content-Type: text/plain; charset=UTF-8 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.11 Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by paranoid.lipkowski.org id u3T9HRID003460 Status: O X-Status: X-Keywords: X-UID: 7912 Luis, >Any ideas for a proper music track during the winding process ?? Spherics perhaps ? ;-) How about "Turn!, Turn!, Turn! " by the Byrds? :-) https://en.wikipedia.org/wiki/Turn!_Turn!_Turn! 73 Warren On Fri, Apr 29, 2016 at 4:54 AM, VIGILANT Luis Fernández wrote: > Hi VLF > > In my run for "the copper thing" I called a friend which is in the > industrial painting > He is going to provide me a couple of paint buckets 29cm diameter by 31cm > high > I plan to test a couple of coils with 0.4mm enameled copper using this > buckets as forms > If it is not the best idea, please tell me before doing it that way > > From the coil calculators I can estimate 750 turns for a single layer coil > which would be about 105mH > The buckets can be plugged one inside the other. Similar as Markus/Stefan > Yogourt containers > > Can this stacking provide an increase of inductance ?? Something aprox to > have a multi layer coil ? > Not counting any help from ferrite cores dopping .... I'm afraid that more > than eight bucket coils will be needed > to reach over 800mH. A lot of copper wire and time to wound it indeed > > Multi layer winding with 0.4mm wire looks like something really hard for me. > Don´t know it ir really worths the effort > > Any ideas for a proper music track during the winding process ?? Spherics > perhaps ? ;-) > > 73 de Luis > EA5DOM -- 73 Warren K2ORS WD2XGJ WD2XSH/23 WE2XEB/2 WE2XGR/1