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*To*: Tesla Coil Mailing List <tesla@xxxxxxxxxx>*Subject*: Re: Re: [TCML] inductance Vs diameter Vs height*From*: "Antonio Carlos M. de Queiroz" <acmdq@xxxxxxxxxx>*Date*: Thu, 12 Aug 2010 21:49:40 -0300*Delivered-to*: teslaarchive@xxxxxxxxxx*Delivered-to*: tesla@xxxxxxxxxx*Dkim-signature*: v=1; a=rsa-sha256; c=relaxed/simple; d=uol.com.br; s=ubz; t=1281660632; bh=9/xTumzEufx55jgGJgpKMdeETyUDH8J0UHvmnaXcg7g=; h=Message-ID:Date:From:MIME-Version:To:Subject:References: In-Reply-To:Content-Type:Content-Transfer-Encoding; b=G2UYmEHf2tKdfh/BGfzdYnthu4GBneYc10YbH521EDu4VCf6uSBv8UL4ZTmEoCdhX Gc6sAh8X+Z02NKK9E7qcL88hUGrxBUsKxTvenzIqU51IAVte/eiCmC9VjGldF4zjUX fUO98vtPoG2ur/Su04S7WBaAQjQ7K7ZjWs1Qhoko=*In-reply-to*: <4C6366DD.8080408@xxxxxxxxxxxxxxxx>*List-archive*: <http://www.pupman.com/pipermail/tesla>*List-help*: <mailto:tesla-request@pupman.com?subject=help>*List-id*: Tesla Coil Mailing List <tesla.pupman.com>*List-post*: <mailto:tesla@pupman.com>*List-subscribe*: <http://www.pupman.com/mailman/listinfo/tesla>, <mailto:tesla-request@pupman.com?subject=subscribe>*List-unsubscribe*: <http://www.pupman.com/mailman/listinfo/tesla>, <mailto:tesla-request@pupman.com?subject=unsubscribe>*References*: <4C61B015.7090106@xxxxxxxxx> <10201F829D4B4F39BCEAD876EF17300C@Phillaptop> <4C6366DD.8080408@xxxxxxxxxxxxxxxx>*Reply-to*: Tesla Coil Mailing List <tesla@xxxxxxxxxx>*Sender*: tesla-bounces@xxxxxxxxxx*User-agent*: Thunderbird 2.0.0.24 (Windows/20100228)

bartb wrote:

Guys, I have a little spreadsheet for that graph I showed. It wasbased on h/d and Fr. My thoughts at the time is that this maxL wasalways based on a low frequency condition. Thus, I thought, what aboutwhen the coil is operating at Fr? Does that max inductance ratio stillapply? The answer is NO. Of course not. Les is the effective seriesinductance at the resonant frequency of the coil. And of course,,depending on Les for your specific coil, the maximum inductanceattainable is different than the standard ratio so often referred to.So often, coilers forget that our coils have an operating frequencyand the inductance at that AC is not 50 or 60 Hz. Inductances doeschange with frequency and thus, so does maximum inductance for ageometry.

Antonio Carlos M. de Queiroz _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla

**Follow-Ups**:**Re: [TCML] inductance Vs diameter Vs height***From:*bartb

**References**:**[TCML] inductance Vs diameter Vs height***From:*Scott Bogard

**Re: [TCML] inductance Vs diameter Vs height***From:*Phil Tuck

**Re: [TCML] inductance Vs diameter Vs height***From:*bartb

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