---------------------------------------------------------- RV-List Digest Archive --- Total Messages Posted Tue 07/03/12: 2 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 08:57 AM - Re: #3 overheating (Matt Dralle) 2. 10:02 PM - Re: #3 overheating (mr.gsun@gmail.com) ________________________________ Message 1 _____________________________________ Time: 08:57:17 AM PST US From: Matt Dralle Subject: Re: RV-List: #3 overheating What are your CHTs? Before and after the swap? - Matt Dralle RV-8 #82880 N998RV "Ruby Vixen" http://www.mattsrv8.com - Matt's Complete RV-8 Construction Log http://www.mattsrv8.com/Mishap - Landing Mishap Rebuild Log http://www.youtube.com/MattsRV8 - Matt's RV-8 HDTV YouTube Channel Status: 172+ Hours TTSN - Rebuilding Fuselage After Landing Mishap... RV-6 #20916 N360EM "The Flyer" http://www.mattsrv6.com - Matt's RV-6 Revitalization Log Status: 100+ Hours Since Purchase - Upgrades Complete; Now In Full Flyer Mode At 11:17 PM 7/2/2012 Monday, you wrote: >RV-List, > >I've had issues with overheating on my 2004 RV7, IO 360 with about 560 hours. I had the cowl off for other reasons and did the "coke bottle test" and measured the fuel coming out of the injectors with just the electric boost pump on and the mixure & throttle full in. > >At 28 psi as registered on my Skyview system, I got: >#1 110 ml in one minute >#2 115 ml in one minute >#3 108 ml in one minute >#4 112 ml in one minute > >I had cleaned the injectors by soaking them in Hoppe's cleaner as per Lycoming instructions less than 8 months ago and the spray pattern was identical in all four. >So I swapped #3 (the lowest) for #2 (the highest) thinking that if I ran the overheating cylinder a bit richer, my problem would be solved. I soaked them again, inspected and dried them before installation. > >Does this seem reasonable? > >do not archive > ________________________________ Message 2 _____________________________________ Time: 10:02:15 PM PST US Subject: Re: RV-List: #3 overheating From: mr.gsun@gmail.com I mainly look at #3 as the rest are all lower and somewhat closer together. I have seen #3 as high as 425 climbing full power on a warm day. I flew recently and it seems cooler so will leave it that way for more testing. I was just curious if those flow rates were different enough to worry about. Greg On Jul 3, 2012 9:01 AM, "Matt Dralle" wrote: > > What are your CHTs? Before and after the swap? > > > - > Matt Dralle > > RV-8 #82880 N998RV "Ruby Vixen" > http://www.mattsrv8.com - Matt's Complete RV-8 Construction Log > http://www.mattsrv8.com/Mishap - Landing Mishap Rebuild Log > http://www.youtube.com/MattsRV8 - Matt's RV-8 HDTV YouTube Channel > Status: 172+ Hours TTSN - Rebuilding Fuselage After Landing Mishap... > > RV-6 #20916 N360EM "The Flyer" > http://www.mattsrv6.com - Matt's RV-6 Revitalization Log > Status: 100+ Hours Since Purchase - Upgrades Complete; Now In Full Flyer > Mode > > > At 11:17 PM 7/2/2012 Monday, you wrote: > >RV-List, > > > >I've had issues with overheating on my 2004 RV7, IO 360 with about 560 > hours. I had the cowl off for other reasons and did the "coke bottle test" > and measured the fuel coming out of the injectors with just the electric > boost pump on and the mixure & throttle full in. > > > >At 28 psi as registered on my Skyview system, I got: > >#1 110 ml in one minute > >#2 115 ml in one minute > >#3 108 ml in one minute > >#4 112 ml in one minute > > > >I had cleaned the injectors by soaking them in Hoppe's cleaner as per > Lycoming instructions less than 8 months ago and the spray pattern was > identical in all four. > >So I swapped #3 (the lowest) for #2 (the highest) thinking that if I ran > the overheating cylinder a bit richer, my problem would be solved. I > soaked them again, inspected and dried them before installation. > > > >Does this seem reasonable? > > > >do not archive > > > > ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message rv-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/RV-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/rv-list Browse Digests http://www.matronics.com/digest/rv-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.