---------------------------------------------------------- LycomingEngines-List Digest Archive --- Total Messages Posted Mon 12/03/12: 2 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 02:36 PM - Engine combustion troubleshooting concepts (Ralph E. Capen) 2. 05:45 PM - Re: Engine combustion troubleshooting concepts (FLYaDIVE) ________________________________ Message 1 _____________________________________ Time: 02:36:22 PM PST US From: "Ralph E. Capen" Subject: LycomingEngines-List: Engine combustion troubleshooting concepts Re-breaking in my engine after prop-strike by hangar door induced by tornado. Considering the engine already had 160+ hours on it - I know how it was running for a while. I have one cylinder running not like the others. Before I tell what is happening, I want to make sure I understand/remember the basic concepts. EGT-only elevated - CHT reduced...unburned fuel going out exhaust and burning on the way out - plug not firing EGT-only elevated - ...unburned fuel going out exhaust and burning on the way out - plug not firing completely CHT-only elevated...not enough cooling air EGT and CHT elevated...lean mixture - air leak Refresh my memory here. ________________________________ Message 2 _____________________________________ Time: 05:45:20 PM PST US Subject: Re: LycomingEngines-List: Engine combustion troubleshooting concepts From: FLYaDIVE Ralph: Go to Electronics International web site and down load their troubleshooting guide. It covers all sorts of combo's as you mention. Barry On Mon, Dec 3, 2012 at 5:33 PM, Ralph E. Capen wrote: > recapen@earthlink.net> > > Re-breaking in my engine after prop-strike by hangar door induced by > tornado. > > Considering the engine already had 160+ hours on it - I know how it was > running for a while. > > I have one cylinder running not like the others. Before I tell what is > happening, I want to make sure I understand/remember the basic concepts. > > EGT-only elevated - CHT reduced...unburned fuel going out exhaust and > burning on the way out - plug not firing > EGT-only elevated - ...unburned fuel going out exhaust and burning on the > way out - plug not firing completely > CHT-only elevated...not enough cooling air > EGT and CHT elevated...lean mixture - air leak > > Refresh my memory here. > > ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message lycomingengines-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/LycomingEngines-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/lycomingengines-list Browse Digests http://www.matronics.com/digest/lycomingengines-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.