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[TCML] Re: Fine Structure in a Trumpet Coil
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[TCML] Re: Fine Structure in a Trumpet Coil
To : tcml@xxxxxxxxxxxxxxx Subject : [TCML] Re: Fine Structure in a Trumpet CoilFrom : Ken <pupman.com@xxxxxxxxxxxxxxxxxxx >Date : Tue, 1 Sep 2026 09:24:14 -0500Archived-at : <https://tcml.pupman.com/archives/list/tcml@xxxxxxxxxxxxxxx /message/ANEU3NKVE5Y6WZ32XSHVJSQMRQDBZ53J/>Authentication-results : piggy.pupman.com; dkim=pass (2048-bit key, unprotected) header.d=emwd.com header.i=@emwd.com header.a=rsa-sha256 header.s=harmony header.b=Monsc744Delivered-to : teslaarchive@xxxxxxxxxx Dkim-filter : OpenDKIM Filter v2.11.0 piggy.pupman.com 169E242BEC3Dkim-signature : v=1; a=rsa-sha256; c=simple/simple; d=emwd.com; s=harmony; t=1788277325; bh=c+sa4OC9VaaMMXbFX/o+cEbI5PxG69G00iuTlY/ENjs=; h=Date:From:To:In-Reply-To:References:Reply-To:Subject:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=Monsc744eMK5TlOV3Ys8yqBfLocr+YHyVtwHT4caq3Mw1Sh47C7B5WDTvz0xcyCyp XaiobYIKSQ8kLBr3/SZCl5vx/axF5AvwOR2MkTEwa6+GRl6U1tew8WCa16T0wfU7GS YaN8UjFkAKD/U/dN4MPZI6OTB3dhikA7EpLxH6i3t0iqTcSDoXsUK1DlgYA9T/3ZxK JNsrpmqOa9/VLvul/M7zS1eqvlL/VHhP6wQVoO2XZn3tfnKw+ZFHFXVs5RAAQ03htr umavduT11IcrXFJdo+5SrcvSgrP5aa9MN61xv24/4xFQzwH4Jedcz7Wm3Ks4gZllxt HR6lQj68iqfhQ==In-reply-to : <CAD1NOyLHx6WdYLzQyiikDo+GJNrGgEd+NFsvjvkRCYdP__=jZw@mail.gmail.com>List-archive : <https://tcml.pupman.com/archives/list/tcml@tcml.pupman.com/ >List-help : <mailto:tcml-request@tcml.pupman.com?subject=help >List-id : Tesla Coil Mailing List <tcml.tcml.pupman.com>List-owner : <mailto:tcml-owner@tcml.pupman.com >List-post : <mailto:tcml@tcml.pupman.com >List-subscribe : <mailto:tcml-join@tcml.pupman.com >List-unsubscribe : <mailto:tcml-leave@tcml.pupman.com >References : <CAD1NOy+WBSvEaCc+RqU88rHF+oEUemiAs0Bcyh_imvinxh_djw@mail.gmail.com> <1eb1f3e6-68c7-4813-a07d-b0dbabdab1fa@lists.symmetric.net> <CAD1NOyLjA9WRxyUo9eRnMOSFzqQcGaBeY=Bj2B+hNsuO9B8uFQ@mail.gmail.com> <4f849b34-bf2d-406d-89a4-9745f16855fb@lists.symmetric.net> <CAD1NOyLHx6WdYLzQyiikDo+GJNrGgEd+NFsvjvkRCYdP__=jZw@mail.gmail.com>Reply-to : Tesla Coil Mailing List <tcml@xxxxxxxxxxxxxxx >
Note I've not committed to constructing anything for anyone. I'm curious about the requirements and based off that, maybe I can help, or not.
The form for a trumpet shaped coil is probably not a big deal to fabricate. The challenge will be winding the coil so it doesn't collapse.
I don't use NC machine tools, but you don't need to with a decent lathe, even for complex contours.
There's still no hints as to whether this project needs a watchmaker's lathe or something they'd have at a heavy machine shop, or something in between.
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