---------------------------------------------------------- RV8-List Digest Archive --- Total Messages Posted Wed 05/13/09: 1 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 05:14 AM - Re: Air Ramp Cracking (scott bilinski) ________________________________ Message 1 _____________________________________ Time: 05:14:38 AM PST US From: scott bilinski Subject: Re: RV8-List: Air Ramp Cracking No exhaust modifications, just a piece of stainless over the existing aluminum with Pro-seal, its that simple. Scott Bilinski RV-8a --- On Tue, 5/12/09, Craig Gallenbach wrote: > From: Craig Gallenbach > Subject: Re: RV8-List: Air Ramp Cracking > To: "rv8-list@matronics.com" > Date: Tuesday, May 12, 2009, 8:09 PM > Craig Gallenbach > > > Scott, > > Did you modify your exhaust outlet in any way as > well? Thanks, > > Craig > > Sent from my iPhone > > On May 12, 2009, at 7:43 PM, scott bilinski > wrote: > > > > Probably not on this E-mail list but if you do a search on > the larger lists I am sure it will come up. > > Adding a doubler, in my case stainless, is so easy to do > especially when building why not just do it. At least that's > my thinking. > > Scott > RV-8a > > > > --- On Tue, 5/12/09, Breece Nesbitt > wrote: > > From: Breece Nesbitt > Subject: Re: RV8-List: Air Ramp Cracking > To: rv8-list@matronics.com > Date: Tuesday, May 12, 2009, 2:46 PM > This is the first time > I've heard of this problem. Where can I find more > info? I have just installed a 200hp > Lycoming, Vetterman crossover exhaust system and CS prop > on > my nearly-finished RV-8. > > Breece Nesbitt > Mooresville, NC > > > > > > From: scott > bilinski > To: > rv8-list@matronics.com > Sent: > Tuesday, May 12, 2009 8:54:06 AM > Subject: Re: > RV8-List: Air Ramp Cracking > > > > >From day one I heard about this problem and > "fixed" it before first flight. So that would be > almost 700hrs now. > > Scott > RV-8a > > > --- On Tue, 5/12/09, Craig Gallenbach > wrote: > > From: Craig Gallenbach > Subject: Re: RV8-List: Air Ramp Cracking > To: "rv8-list@matronics.com" > > Date: Tuesday, May 12, 2009, 2:50 AM > Craig Gallenbach > > Thanks Scott. How long has that fix been working? > > Craig > > Sent from my iPhone > > On May 11, 2009, at 7:52 PM, scott bilinski > wrote: > > > > > I just sheered a piece of stainless and popped it in > place. > Oh I also bonded it with Pro-seal to hopefulle stop > any > vibration. It runs the full length and width of the > exhaust > ramp Its a simple fix that actually looks good with > no > paint. > > > Scott > > > --- On Mon, 5/11/09, Craig Gallenbach > wrote: > > From: Craig Gallenbach > Subject: RV8-List: Air Ramp Cracking > To: rv8-list@matronics.com > Date: Monday, May 11, 2009, 4:33 > PM > After a mere 60 hours TT I have > noticed cracks around rivets on the F867 air ramp on > my > RV8A. The cracks are at the outboard rivets > that > attach the air ramp to the center F867D > stiffener. I > suspect there is a lot of vibration from the engine > exhaust > pipes that end just about in that area. I have > the > standard Vetterman exhaust bought through Vans and > after > about 20 hours or so I added a set of 20 degree > turndown > exhaust extensions from Vetterman. The > extensions seemed to help overall noise and vibration > in the cockpit, but obviously there is still a > significant > amount of vibration causing the ramp to crack. > It > looks like I'll have to replace the ramp, but that > is > not addressing the root cause of the problem. > > Has anyone else seen and solved this problem? > Additional > stiffeners on the air ramp? Longer > exhaust > extensions? Any help would be appreciated. > > Thanks in advance. > > Craig Gallenbach > Eastover, NC > RV8A N184CG 60 hrs. > > > > > > > > > > > > > > > Forum - > FAQ, > - MATRONICS WEB FORUMS - > List Contribution Web Site - > > -Matt > Dralle, List Admin. > > > > > > > > > > > > > > > > > > > > > Forum - > FAQ, > - MATRONICS WEB FORUMS - > List Contribution Web Site - > -Matt > Dralle, List Admin. > > > > ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message rv8-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/RV8-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/rv8-list Browse Digests http://www.matronics.com/digest/rv8-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.