X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.121] verified) by logan.com (CommuniGate Pro SMTP 5.1.12) with ESMTP id 2382440 for flyrotary@lancaironline.net; Thu, 11 Oct 2007 22:01:17 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.121; envelope-from=echristley@nc.rr.com Received: from [192.168.0.19] (really [66.57.38.121]) by cdptpa-omta02.mail.rr.com with ESMTP id <20071012020040.MASL8967.cdptpa-omta02.mail.rr.com@[192.168.0.19]> for ; Fri, 12 Oct 2007 02:00:40 +0000 Message-ID: <470ED5B1.3040800@nc.rr.com> Date: Thu, 11 Oct 2007 22:02:25 -0400 From: Ernest Christley User-Agent: Thunderbird 1.5.0.13 (X11/20070824) MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: Hose clamp myth busters References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Rob wrote: > Can anyone answer my previous quesrtion? > Robert > ----- Original Message ----- > From: Rob > To: Rotary motors in aircraft > Sent: Wednesday, October 10, 2007 8:49 PM > Subject: [FlyRotary] Re: Hose clamp myth busters > > > Al, > Can you tell me how to properly tighten or what the torque should be on a good quality hose clamp or a constant torque clamp? This is a question I have never been able to find the answer. Thanks for your help. > Robert > > No. The problem is that you're using a metal strap to squeeze some rubber. The torque is going to be more dependant on the temperature than anything else. You torque it until the clamp visibly squeezes the hose. This make sure the clamp doesn't slip on the hose, and the combination won't be able to slip over the bead on the nipple.