---------------------------------------------------------- RotaxEngines-List Digest Archive --- Total Messages Posted Wed 06/09/10: 3 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 04:03 PM - Re: CHT on new Rotax (Les Goldner) 2. 04:42 PM - Re: CHT on new Rotax (chris davis) 3. 04:42 PM - Re: CHT on new Rotax (FLYaDIVE) ________________________________ Message 1 _____________________________________ Time: 04:03:32 PM PST US From: "Les Goldner" Subject: RE: RotaxEngines-List: CHT on new Rotax John, The CHT reads water temp, and 248 is very high. I did not experience CHTs going down over time, but did have a very high CHT when I first installed my engine because I left a (almost hidden) plastic cap over the water pump inlet. Les From: owner-rotaxengines-list-server@matronics.com [mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of John Fasching Sent: Thursday, May 27, 2010 3:08 PM Subject: RotaxEngines-List: CHT on new Rotax Has anyone noticed if Rotax engines might show a higher than normal CHT when new as Lycomings and Continentals do before full breakin? I see a few degrees higher than normal (as I now recall that is 248F) after about 5 minutes of so of ground running at 2000RPM. ________________________________ Message 2 _____________________________________ Time: 04:42:20 PM PST US From: chris davis Subject: Re: RotaxEngines-List: CHT on new Rotax Rotax engines listers, Just- checking is anyone using the Rotax vtwin 990 engine ? I just watched the video on the" Can Am",spyder what a machine !C hris Davis=0AKXP 503 492 hrs=0AGlider Pilot=0ADisabled from crash building Firefly =0A=0A=0A=0A=0A________________________________=0AFrom: Les Goldner =0ATo: rotaxengines-list@matronics.com=0ASen t: Wed, June 9, 2010 6:20:19 PM=0ASubject: RE: RotaxEngines-List: CHT on ne w Rotax=0A=0A=0AJohn,=0AThe CHT reads water temp, and 248 is very high. I d id not experience CHTs going down over time, but did have a very high CHT w hen I first installed my engine because I left a (almost hidden) plastic ca p over the water pump inlet.=0ALes =0A-=0AFrom:owner-rotaxengines-list-se rver@matronics.com [mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of John Fasching=0ASent: Thursday, May 27, 2010 3:08 PM=0ATo: rotax engines-list@matronics.com=0ASubject: RotaxEngines-List: CHT on new Rotax =0A-=0AHas anyone noticed if Rotax engines might show a higher than norma l CHT when new as Lycomings and Continentals do before full breakin? I see a few degrees higher than- normal (as I now recall that is 248F) after ab out 5 minutes of so of ground running at 2000RPM.=0A -=0A -=0Ahttp://ww w.matronics.com/Navigator?RotaxEngines-List=0Ahttp://forums.matronics.com ==============0A=0A=0A ________________________________ Message 3 _____________________________________ Time: 04:42:22 PM PST US Subject: Re: RotaxEngines-List: CHT on new Rotax From: FLYaDIVE Les: IF the probe you are using for CHT is in the Radiator and is reading the "Water Temp" AND you are reading 248 F you have problems. Check a few things: 1 - Do a pressure check of the water / radiator system. A SEALED radiator should NOT go above 211 F. And 180 to 200 is more in line of what it should be. 2 - Are you using an Anti-Freeze? YES you should be especially in the summer, not just the winter. 3 - Where is the location of the probe? It sounds like it may be reading CHT .. Or a combo of CHT & Water Temps. 4 - Check your Timing. 5 - What and How is your OIL Temps? 6 - Crazy question - Did you remove ALL cowl plugs and anti-bird plugs? OK, that is all I can think of right now. Barry On Wed, Jun 9, 2010 at 6:20 PM, Les Goldner wrote: > John, > > The CHT reads water temp, and 248 is very high. I did not experience CHTs > going down over time, but did have a very high CHT when I first installed my > engine because I left a (almost hidden) plastic cap over the water pump > inlet. > > Les > > > From: owner-rotaxengines-list-server@matronics.com > [mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of John > Fasching > Sent: Thursday, May 27, 2010 3:08 PM > To: rotaxengines-list@matronics.com > Subject: RotaxEngines-List: CHT on new Rotax > > > Has anyone noticed if Rotax engines might show a higher than normal CHT when > new as Lycomings and Continentals do before full breakin? I see a few > degrees higher than normal (as I now recall that is 248F) after about 5 > minutes of so of ground running at 2000RPM. > > > http://www.matronics.com/Navigator?RotaxEngines-List > > http://forums.matronics.com > > http://www.matronics.com/contribution > > ------------------------------------------------------------------------------------- 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.