Received: from PCH.mit.edu (18.7.21.50) by mail.efplus.com (192.168.0.8) with Microsoft SMTP Server (TLS) id 8.3.485.1; Mon, 20 Apr 2020 11:40:05 -0700 Received: from PCH.MIT.EDU (localhost.localdomain [127.0.0.1]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 03KITpIA013150; Mon, 20 Apr 2020 14:29:53 -0400 Received: from outgoing-exchange-7.mit.edu (OUTGOING-EXCHANGE-7.MIT.EDU [18.9.28.58]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 03KIToBW013147 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Mon, 20 Apr 2020 14:29:50 -0400 Received: from oc11exedge1.exchange.mit.edu (OC11EXEDGE1.EXCHANGE.MIT.EDU [18.9.3.17]) by outgoing-exchange-7.mit.edu (8.14.7/8.12.4) with ESMTP id 03KISjeh023214 for ; Mon, 20 Apr 2020 14:29:27 -0400 Received: from w92exhyb8.exchange.mit.edu (18.7.71.113) by oc11exedge1.exchange.mit.edu (18.9.3.17) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Mon, 20 Apr 2020 14:29:25 -0400 Received: from oc11exhyb5.exchange.mit.edu (18.9.1.110) by w92exhyb8.exchange.mit.edu (18.7.71.113) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 20 Apr 2020 14:29:36 -0400 Received: from NAM10-MW2-obe.outbound.protection.outlook.com (104.47.55.107) by oc11exhyb5.exchange.mit.edu (18.9.1.110) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Mon, 20 Apr 2020 14:29:35 -0400 Received: from DM6PR02CA0124.namprd02.prod.outlook.com (2603:10b6:5:1b4::26) by BYAPR01MB3925.prod.exchangelabs.com (2603:10b6:a02:81::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2921.25; Mon, 20 Apr 2020 18:29:33 +0000 Received: from DM3NAM03FT048.eop-NAM03.prod.protection.outlook.com (2603:10b6:5:1b4:cafe::ad) by DM6PR02CA0124.outlook.office365.com (2603:10b6:5:1b4::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2921.29 via Frontend Transport; Mon, 20 Apr 2020 18:29:33 +0000 Received: from mail-il1-f174.google.com (209.85.166.174) by DM3NAM03FT048.mail.protection.outlook.com (10.152.83.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2921.25 via Frontend Transport; Mon, 20 Apr 2020 18:29:33 +0000 Received: by mail-il1-f174.google.com with SMTP id u5so10879267ilb.5 for ; Mon, 20 Apr 2020 11:29:33 -0700 (PDT) From: graham foulkes To: Microcontroller discussion list - Public. Sender: "piclist-bounces@mit.edu" Date: Mon, 20 Apr 2020 11:29:22 -0700 Subject: Re: [EE] Winding an electric heating element, insulator/coil form material? Thread-Topic: [EE] Winding an electric heating element, insulator/coil form material? Thread-Index: AdYXQxwj9sVwl7UTRkSkbVskjsmpSg== Message-ID: References: List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: Reply-To: Microcontroller discussion list - Public. Accept-Language: en-US X-MS-Exchange-Organization-AuthAs: Anonymous X-MS-Exchange-Organization-AuthSource: TS500.efplus4.local X-MS-Has-Attach: X-Auto-Response-Suppress: All X-MS-Exchange-Organization-SenderIdResult: Pass X-MS-Exchange-Organization-PRD: mit.edu X-MS-TNEF-Correlator: received-spf: Pass (protection.outlook.com: domain of gmail.com designates 209.85.166.174 as permitted sender) receiver=protection.outlook.com; client-ip=209.85.166.174; helo=mail-il1-f174.google.com; dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=VT4VvDEQc7mIuL8R17N+gBug3HqfexwL67dfvDNdR/E=; b=JfxHchH60hIXnOi2tR/cfhAGigPlw3sJiTcmFD75EhnMBs3Vq1HofVbkTEhIdjIiid IYaPVelQYFcEKXd3GfC+EUMi6/I1nNHiooLSIt5bAXOpnpYgYLHYY6cbuU/tvJpW/l1e ZFwvJ2HUVw+a/S7fuLlsHI+Kr/vRemb/UNx8hLvyKTvBCT5imw+c4h9jCMdLbI4+FYv/ mPEMBcFnJIjJJ6DLugdE+5t7FYNMXP9vsr9fGUVD0ZyMswBAgoHSeUY63UzUKptU8PNT jQkD4hySg3d7V+2Cdsc3geokSH3GTsOdSrpW1hElId2z8zselDJJBnkCwbmY/1YH7WR/ 0MWw== authentication-results: spf=pass (sender IP is 209.85.166.174) smtp.mailfrom=gmail.com; mit.edu; dkim=pass (signature was verified) header.d=gmail.com;mit.edu; dmarc=pass action=none header.from=gmail.com;compauth=pass reason=100 errors-to: piclist-bounces@mit.edu list-id: "Microcontroller discussion list - Public." list-post: x-beenthere: piclist@mit.edu x-mailman-version: 2.1.6 x-received: by 2002:a92:bad5:: with SMTP id t82mr17687211ill.171.1587407372505; Mon, 20 Apr 2020 11:29:32 -0700 (PDT) x-topics: [EE] x-content-filtered-by: Mailman/MimeDel 2.1.6 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Hi Jason. Here is a site with good information for design of heater elements. Very comprehensive. https://www.heating-element-alloy.com/index.html On Mon, Apr 20, 2020, 7:13 AM Jason White wrote: > Excellent suggestion Dave! I wouldn't have through of that. > > Thanks Graham for your input! > > -Jason White > > On Mon, Apr 20, 2020 at 12:57 PM Dave Lagzdin wrote= : > > > > Mcmaster have (or had at least) threaded stand offs in ceramic - which > may > > be useful. > > D > > > > > > On Sat, 18 Apr 2020 at 08:47, Jason White < > whitewaterssoftwareinfo@gmail.com> > > wrote: > > > > > .. > > > > > > What materials are typically used to thermally and electrically > > > insulate heating coils. Where can I get it? Are some insulating > > > materials easier to work with? I will likely be making custom coil > > > forms/insulators/spacers/etc > > > > > -- > > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > > View/change your membership options at > > http://mailman.mit.edu/mailman/listinfo/piclist > > > > -- > Jason White > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .