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; Thu, 10 Sep 2020 08:59:52 -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 08AFpF0f028951; Thu, 10 Sep 2020 11:51:19 -0400 Received: from outgoing-exchange-1.mit.edu (OUTGOING-EXCHANGE-1.MIT.EDU [18.9.28.15]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 08AFpD8L028931 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Sep 2020 11:51:13 -0400 Received: from oc11exedge1.exchange.mit.edu (OC11EXEDGE1.EXCHANGE.MIT.EDU [18.9.3.17]) by outgoing-exchange-1.mit.edu (8.14.7/8.12.4) with ESMTP id 08AFp9iE030242 for ; Thu, 10 Sep 2020 11:51:13 -0400 Received: from w92expo11.exchange.mit.edu (18.7.74.65) by oc11exedge1.exchange.mit.edu (18.9.3.17) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Thu, 10 Sep 2020 11:50:43 -0400 Received: from oc11exhyb4.exchange.mit.edu (18.9.1.100) by w92expo11.exchange.mit.edu (18.7.74.65) with Microsoft SMTP Server (TLS) id 15.0.1365.1; Thu, 10 Sep 2020 11:50:45 -0400 Received: from NAM04-CO1-obe.outbound.protection.outlook.com (104.47.45.51) by oc11exhyb4.exchange.mit.edu (18.9.1.100) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Thu, 10 Sep 2020 11:50:45 -0400 Received: from DM6PR02CA0050.namprd02.prod.outlook.com (2603:10b6:5:177::27) by BL0PR0102MB3458.prod.exchangelabs.com (2603:10b6:207:1a::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3370.16; Thu, 10 Sep 2020 15:50:43 +0000 Received: from DM3NAM03FT037.eop-NAM03.prod.protection.outlook.com (2603:10b6:5:177:cafe::62) by DM6PR02CA0050.outlook.office365.com (2603:10b6:5:177::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3370.16 via Frontend Transport; Thu, 10 Sep 2020 15:50:43 +0000 Received: from icp-osb-irony-out9.external.iinet.net.au (203.59.1.226) by DM3NAM03FT037.mail.protection.outlook.com (10.152.83.55) with Microsoft SMTP Server id 15.20.3370.16 via Frontend Transport; Thu, 10 Sep 2020 15:50:41 +0000 Received: from unknown (HELO [192.168.43.224]) ([1.136.188.66]) by icp-osb-irony-out9.iinet.net.au with ESMTP; 10 Sep 2020 23:50:39 +0800 From: Peter To: "piclist@mit.edu" Sender: "piclist-bounces@mit.edu" Date: Thu, 10 Sep 2020 08:50:39 -0700 Subject: Re: [EE] Microwave Oven Transformers Thread-Topic: [EE] Microwave Oven Transformers Thread-Index: AdaHi2tzT6bIF7PeQBCDR97gsAAsVg== Message-ID: References: List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: Reply-To: Microcontroller discussion list - Public. Accept-Language: en-US Content-Language: en-AU 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: TempError (protection.outlook.com: error in processing during lookup of westnet.com.au: DNS Timeout) dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mitprod.onmicrosoft.com; s=selector2-mitprod-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=CyloqZ01YDP8Hc7/T5wtQrHZf4zfNMjwtoa6bmvF7Cs=; b=EaUhltkZ4BX6NPBd5kEopW7Cr17Pt7tikri+DHMp+tmpyvUbvElEQRGCCSiK4Swf23CKf+LgeeT3o6/BSNSgE9ZJ4w3dP6JCpIgedx3znzdfiS59jaIuWruZPgSUd0JDJKHjn1buEhBhKBpslv6Bn1lVsqlojf983r5RfJOWqKI= authentication-results: spf=temperror (sender IP is 203.59.1.226) smtp.mailfrom=westnet.com.au; mit.edu; dkim=none (message not signed) header.d=none; mit.edu; dmarc=none action=none header.from=westnet.com.au; user-agent: Mozilla/5.0 (Windows NT 6.1; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 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-ironport-av: E=Sophos;i="5.76,413,1592841600"; d="scan'208";a="278181857" x-ironport-anti-spam-result: A2CbAQDTSlpf/0K8iAENUg4PAQEBAQkBEgEFBQFAB4FIgwyFeo91AQEBAQEBBoEMLpwcCwEBAQEBAQEBATgEAQGESwKCHiU4EwIQAQEBBQEBAQEBBgMBjEgBAQEDIxVRCw0LAgImAgJXEwgBAYMigksBDLNmdoEyGoU5hQSBDiqBZYxbgQeBOA+CWj6FCoJKgmAEm0iKL5B+DYE5gSmCRpdlBQoegncBgliMSQOOP6cHjTmBek0fgz5PnE5QgRkCBgoBAQMJj1cBAQ x-ironport-anti-spam-filtered: true x-topics: [EE] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 On 11/09/2020 12:27 am, graham foulkes wrote: > BTW, tyraps tend to stretch over time on stuff that warms up, good old > fashioned cotton string works better, look at electric motor windings, th= ey > are always laced with twine. The type of cotton string used in the kitchen to tie roast meat together=20 works well. Peter. --=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 .