---------------------------------------------------------- RotaxEngines-List Digest Archive --- Total Messages Posted Wed 08/20/14: 2 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 04:29 AM - Re: RotaxEngines-List Re: rough running at 3400 RPM and above (MacDonald Doug) 2. 06:03 AM - Re: Re: rough running at 3400 RPM and above (vernon mitchell) ________________________________ Message 1 _____________________________________ Time: 04:29:24 AM PST US From: MacDonald Doug Subject: RotaxEngines-List: Re: RotaxEngines-List Re: rough running at 3400 RPM and above Kyle, I'm not sure if I'm the Doug you are referring to or not but I had a similar issue with my engine when I first started running it on my plane an d the issue was the chokes were not closed completely.- At higher RPM, sa y 3400 RPM and higher, the enrichener/choke circuit acts like an airbleed i nto the intake system which causes a lean stumble (thus why carb heat helps ).- As for the rich indications on the-plugs, I have no idea but first step is make sure your enricher circuit is absolutely closed after the engi ne starts.=0A=0ADoug M=0ACH-701/ Rotax 912UL=0A=0A =0A=0A__________________ ______________=0A--=0ATime: 10:08:05 AM PST US=0ASubject: RotaxEngines- List: Re: rough running at 3400 RPM and above=0AFrom: "kyle Ponsford" =0A=0A=0ADoug,=0AYour descriptions read as if I had writt en them myself, therefore I was very eager=0Ato read to the bottom and see your eventual solution, but I found... NOTHING!=0ADid you ever solve your p roblem? I have not. ________________________________ Message 2 _____________________________________ Time: 06:03:20 AM PST US From: "vernon mitchell" Subject: Re: RotaxEngines-List: Re: rough running at 3400 RPM and above Kyle. I might have missed something, but have you had the carbs balanced. I had all sorts of drama, until the carbs were balanced. Good luck. Vernon. South Africa. -------------------------------------------------- From: "kyle Ponsford" Sent: Wednesday, August 20, 2014 1:22 AM Subject: RotaxEngines-List: Re: rough running at 3400 RPM and above > > > Johann G., > I am grateful for your information/suggestion and will tackle that idea > immediately! > Thanks, > - Kyle > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=428799#428799 > > > ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message rotaxengines-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/RotaxEngines-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/rotaxengines-list Browse Digests http://www.matronics.com/digest/rotaxengines-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.