---------------------------------------------------------- Rocket-List Digest Archive --- Total Messages Posted Fri 01/18/08: 1 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 01:28 AM - Re: Cold Air Induction (f1rocket@telus.net) ________________________________ Message 1 _____________________________________ Time: 01:28:32 AM PST US From: f1rocket@telus.net Subject: RE: Rocket-List: Cold Air Induction David, The other main disadvantage is that you will have to get a custom exhaust made. Then build a new cowling to house it all. Jeff Quoting Rhonda Bewley : > David: > > We have a cold air induction system for the parallel head and angle head > 540 and 580. Our system is a lightweight magnesium sump and plenum. > The system has seamless stainless intake pipes, and the system is > shipped complete with everything you need to install the system on your > engine. > > The engine becomes forward facing induction resulting in greater inlet > air pressure (ram air recovery effect), and if you get a larger throttle > body, the increase in air flow is substantial. The system also removes > the inlet air from the oil sump, rerouting it through the separate > plenum. We see a 15-20 hp increase with the cold air system on stock > compression engines. These numbers are verifiable on our dynomometer. > This is the cold air sump used in virtually all experimental competitive > aerobatic/race parallel 540 engines in use today. > > The biggest disadvantage is that with more air and colder air, you are > going to burn more fuel. You may also have to make cowling > modifications for the system on your airplane. Hope you find this > information helpful. > > Rhonda Barrett-Bewley > > Barrett Precision Engines, Inc. > > Tulsa, OK 74115 > > (918) 835-1089 phone > > (918) 835-1754 fax > > www.barrettprecisionengines.com > > > ________________________________ > > From: owner-rocket-list-server@matronics.com > [mailto:owner-rocket-list-server@matronics.com] On Behalf Of David > Miller > Sent: Tuesday, January 15, 2008 8:38 AM > To: rocket-list@matronics.com > Subject: Rocket-List: Cold Air Induction > > > > Is anyone familiar with cold air induction on a 540? What is it, what > are the advantages and disadvantages, what's the cost, where can get the > equipment, how difficult is it to installation and what modifications > are required, and most importantly; is it worth it ? > > > > > > David Miller > > Lexington, TN > > HRII under construction > > > > > ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message rocket-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Rocket-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/rocket-list Browse Digests http://www.matronics.com/digest/rocket-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.