Return-Path: Received: from ms-smtp-02.southeast.rr.com ([24.93.67.83] verified) by logan.com (CommuniGate Pro SMTP 4.1.4) with ESMTP id 2603556 for flyrotary@lancaironline.net; Thu, 25 Sep 2003 13:27:55 -0400 Received: from o7y6b5 (clt78-020.carolina.rr.com [24.93.78.20]) by ms-smtp-02.southeast.rr.com (8.12.5/8.12.2) with SMTP id h8PHO2pN027184 for ; Thu, 25 Sep 2003 13:24:03 -0400 (EDT) Message-ID: <003401c3838a$132dccc0$1702a8c0@WorkGroup> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Magnetic seals Date: Thu, 25 Sep 2003 13:25:54 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Thanks, Bill I found a few sources and they indicate that the seals stand up to at least 2 bars of pressure without any problem. That would, of course, be more than I need. Appreicate the additional sources of information in the URLS Ed Anderson ----- Original Message ----- From: "Bill Schertz" To: "Rotary motors in aircraft" Sent: Thursday, September 25, 2003 12:41 PM Subject: [FlyRotary] Magnetic seals My exposure to magnetic seals is for rotational feed throughs for high vacuum systems. You don't get the iron filings ingested into the engine, if properly designed. here are some links for those interested. http://www.liquidsresearch.com/products/magnet_applics.asp http://www.a-f-s.com/news/industrialphysicist.html http://www.ferrotec.com.sg/category.asp?catid=9 Bill Schertz KIS Cruiser # 4045 > > > I don't think ingesting iron filings is the way to go, and I don't think > magnets > > will prevent ingestion. I further don't think any of us can develop a > reliable > > ... SNIP >> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html