Return-Path: Sender: (Marvin Kaye) To: flyrotary Date: Sat, 29 Mar 2003 15:01:04 -0500 Message-ID: X-Original-Return-Path: Received: from fed1mtao04.cox.net ([68.6.19.241] verified) by logan.com (CommuniGate Pro SMTP 4.1b2) with ESMTP id 2091961 for flyrotary@lancaironline.net; Sat, 29 Mar 2003 12:18:07 -0500 Received: from smtp.west.cox.net ([172.18.180.51]) by fed1mtao04.cox.net (InterMail vM.5.01.04.05 201-253-122-122-105-20011231) with SMTP id <20030329171807.QYEG20827.fed1mtao04.cox.net@smtp.west.cox.net> for ; Sat, 29 Mar 2003 12:18:07 -0500 From: X-Original-To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Muffler packing X-Original-Date: Sat, 29 Mar 2003 12:18:03 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Original-Message-Id: <20030329171807.QYEG20827.fed1mtao04.cox.net@smtp.west.cox.net> One advantage of trying SS shavings is that, if you have access to the machine shop, you can select for jobs where "heavy" cuts were turned. I suspect that the SS scrub pads are simply too thin to hold up under the mechanical load. Regards, Dale > > Hi Ed > > Have you tried stainless steel shavings (turnings). My muffler has now > done > > 100 hrs and still makes the same noise so I guess the packing is still > > there. [snip] > > Hi Ian, > No, I have not tried stainless steel shavings, however, I did get some > stainless steel scrub pads and stuffed around a dozen into the tubes back a > year or more ago. They lasted a couple of weeks. They did not surcum to > the heat, but the shock wave pounded them into small 1/4" lengths and blew > them out the end. However, I suspect they did not have the structural > integrity of a strip of stainless steel shavings, so, if I can locate a > source, I'll give it a try. > [snip] > Ed Anderson