---------------------------------------------------------- Europa-List Digest Archive --- Total Messages Posted Fri 01/31/20: 5 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 01:06 AM - Re: CKT exhaust springs breaking (Remi Guerner) 2. 01:56 AM - Re: CKT exhaust springs breaking (Bill & Sue) 3. 06:41 AM - Re: CKT exhaust springs breaking (JonathanMilbank) 4. 08:50 AM - Re: CKT exhaust springs breaking (Gary Leinberger) 5. 11:58 AM - Re: Re: CKT exhaust springs breaking (Rowland Carson) ________________________________ Message 1 _____________________________________ Time: 01:06:49 AM PST US Subject: Europa-List: Re: CKT exhaust springs breaking From: "Remi Guerner" The CKT exhaust on my 912ULS has done 1300 hours without any spring failure so far. The springs are maintained by a safety wire loop which prevent them from vibrating, pic attached. However, I had a consistent leak at the spherical joint on cylinder 3 pipe. I solved that problem using 2 additional springs on that pipe to increase the pressure on the joint. The those two springs are attached using safety wire which allows to adjust the tension. I believe that the use of 4 springs per pipe with properly adjusted tension could be a solution to also reduce the load per spring, therefore preventing breakage and increase redundancy. Remi F-PGKL Read this topic online here: http://forums.matronics.com/viewtopic.php?p=494535#494535 Attachments: http://forums.matronics.com//files/p1010009__copie_285.jpg http://forums.matronics.com//files/pa310003__copie_517.jpg ________________________________ Message 2 _____________________________________ Time: 01:56:51 AM PST US Subject: Europa-List: Re: CKT exhaust springs breaking From: "Bill & Sue" I don't have a solution for (not) breaking springs other than carrying spares, but I have found that buying Rotax springs from a Karting shop is rather cheaper. Same spring, less than half the price.... Read this topic online here: http://forums.matronics.com/viewtopic.php?p=494536#494536 ________________________________ Message 3 _____________________________________ Time: 06:41:19 AM PST US Subject: Europa-List: Re: CKT exhaust springs breaking From: "JonathanMilbank" What marvellous responses in such a short time, from so many of you! This underscores the great value of continuing to support Matt's website. Being inherently lazy and not wishing to try out all of your suggestions simultaneously, I'll start with Remi's suggestion which seems either to dampen resonant vibrations, or perhaps divide each spring into two lengths with much higher resonant frequencies. Many thanks to all of you. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=494537#494537 ________________________________ Message 4 _____________________________________ Time: 08:50:32 AM PST US From: Gary Leinberger Subject: Europa-List: Re: CKT exhaust springs breaking I had the same problem until I ran a bead of the Dow Corning Momentive RTV106 red silicone sealant. Problem solved - haven't broken one since. Gary Leinberger A237 Europa High Top XS with 912S ________________________________ Message 5 _____________________________________ Time: 11:58:26 AM PST US From: Rowland Carson Subject: Re: Europa-List: Re: CKT exhaust springs breaking On 2020-01-31, at 16:47, Gary Leinberger wrote: > I had the same problem until I ran a bead of the Dow Corning Momentive RTV106 red silicone sealant. Problem solved - haven't broken one since. Gary - exactly where did you run the bead of silicon RTV? A picture would be great! in friendship Rowland | Rowland Carson ... that's Rowland with a 'w' ... | http://www.rowlandcarson.org.uk | Skype, Twitter: rowland_carson Facebook: Rowland Carson ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message europa-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Europa-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/europa-list Browse Digests http://www.matronics.com/digest/europa-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.