X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [24.25.9.100] (HELO ms-smtp-01-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.3.5) with ESMTP id 1020342 for flyrotary@lancaironline.net; Fri, 24 Jun 2005 11:52:49 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.100; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-065-188-083-049.carolina.res.rr.com [65.188.83.49]) by ms-smtp-01-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id j5OFq1BI003832 for ; Fri, 24 Jun 2005 11:52:02 -0400 (EDT) Message-ID: <000d01c578d4$aa402ea0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Brake Line Incident Photos Date: Fri, 24 Jun 2005 11:52:03 -0400 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Virus-Scanned: Symantec AntiVirus Scan Engine Good suggestion, Jim I have already submitted my report and photos to the RV list photo section (can't post a photo directly to the list), am told it should show up for viewing in a day or so. Also reported it to Van's but I don't expect anything from their end - although I did notice they are now offering the flexible stainless steel braided hose for brake lines {:>). Ed ----- Original Message ----- From: "Jim Sower" To: "Rotary motors in aircraft" Sent: Friday, June 24, 2005 11:29 AM Subject: [FlyRotary] Re: Brake Line Incident Photos > <... there are many RVs flying with this configuration ... break might be > attributed to my installation... material weakness ... damage I did not > notice, etc ...> > > You might want to get on the RV list with that. There might be LOTS of > failures, and yours is just the most spectacular fire so far. > > I think it's worth publicizing as widely as is practical ... Jim S. > > Ed Anderson wrote: > >> Yes, John - luck and a quick acting nephew {:>). The only answer I can >> come up with is that the aluminum line suffered a fatigue fracture which >> weakened the tube and the hydraulic pressure finally blew out the chunk. >> The line has a loop to provide flexing as the caliper moves in and out - >> but, flexing aluminum is not know for a long life. In all fairness, >> there are many RVs flying with this configuration - so the break might be >> attributed to my installation (stressing the line when I put the loop in >> it), material weakness, some damage I did not notice, etc. Had over 300 >> landings before the failure. >> Ed >> >> ----- Original Message ----- >> *From:* John Slade >> *To:* Rotary motors in aircraft >> *Sent:* Friday, June 24, 2005 9:09 AM >> *Subject:* [FlyRotary] Re: Brake Line Incident Photos >> >> Wow, Ed! >> You're luck the airplane wasn't consumed. >> My question - how did that big chunk get blown out of the brake line? >> Regards, >> John >> >> -----Original Message----- >> *From:* Rotary motors in aircraft >> [mailto:flyrotary@lancaironline.net]*On Behalf Of *Ed Anderson >> *Sent:* Friday, June 24, 2005 8:58 AM >> *To:* Rotary motors in aircraft >> *Subject:* [FlyRotary] Brake Line Incident Photos >> >> For those interested (and may not have seen them) , here are a >> few photos of my brake line fire incident. >> Big chunk got blown out of brake line as can be seen from >> Brakelines.jpg photo. Effect of resin burning seen on wheel >> pant photos. Once the line broke, the next time I depressed >> the brake pedal, a fireball from the wheel to over the wing >> resulted from spraying the hydraulic fluid over the hot brake >> assembly. The flash point of the fluid is only 240F! I am >> going to investigate some stuff with a bit higher flash point >> {:>) >> Ed >> Ed Anderson >> Rv-6A N494BW Rotary Powered >> Matthews, NC >> eanderson@carolina.rr.com >> > >>> Homepage: http://www.flyrotary.com/ >>> Archive: http://lancaironline.net/lists/flyrotary/List.html >