---------------------------------------------------------- Engines-List Digest Archive --- Total Messages Posted Tue 02/27/07: 1 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 08:34 AM - Re: Continental (Monty Barrett Sr) ________________________________ Message 1 _____________________________________ Time: 08:34:57 AM PST US Subject: RE: Engines-List: Continental From: "Monty Barrett Sr" >From an Experimental Certificated airplane point of view there is not much difference between a C-145 and an 0-300. The 0-200 engines used at Reno do not have a very long life expectancy. Usually these engines have parts that have been trimmed down to the minimum weight, are very closely balanced, have minimum volume combustion chambers, have 1 mag advanced a considerable amount, the other timed at normal for starting purposes, valve springs are shimmed to coil bind minus a small amount, use different carburetor jetting, there is a myriad of changes that are not obvious and some likely do not comply with Reno Formula one rules. Oil temperature is always a problem with Reno F-1 engines, at least on the ones I 've built. Because of the low cooling drag cowlings used on the real fast airplanes, CHT can also be problematic. The reason they turn them so fast is because if they don't they do not have enough RPM static to get the airplane in the air. Remember that F-1 starts from a standing start so takeoff performance is a major factor in the final results. He who leads gets to fly in " clean " air. Monty Barrett Do not archive -----Original Message----- From: owner-engines-list-server@matronics.com [mailto:owner-engines-list-server@matronics.com] On Behalf Of Bob & Toodie Marshall Sent: Saturday, February 24, 2007 9:40 AM Subject: Engines-List: Continental Hello, thanks for the info Monty, but you didn't say much about Continental, what is the difference between the C 145 and the O300 if any, How do the Reno race boys turn the O 200, 4500 rpm without flinging chunks of metal all over the tarmac? Have you ever hung a supercharger on a 0200? I know a crazy question,But most of us on the list are in our own world of day to day living and building a single airplane and never see the world of custom engine builders or hear about their sometimes specialized work, You are very kind to contribute to our basic Knowledge, thanks, Bob Do not archive ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message engines-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Engines-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/engines-list Browse Digests http://www.matronics.com/digest/engines-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.