X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from QMTA06.emeryville.ca.mail.comcast.net ([76.96.30.56] verified) by logan.com (CommuniGate Pro SMTP 5.2.12) with ESMTP id 3452487 for flyrotary@lancaironline.net; Mon, 26 Jan 2009 01:47:06 -0500 Received-SPF: none receiver=logan.com; client-ip=76.96.30.56; envelope-from=cbarber@texasattorney.net Received: from OMTA01.emeryville.ca.mail.comcast.net ([76.96.30.11]) by QMTA06.emeryville.ca.mail.comcast.net with comcast id 7ptD1b00U0EPchoA66mWgr; Mon, 26 Jan 2009 06:46:30 +0000 Received: from ChristopherNB ([98.200.27.148]) by OMTA01.emeryville.ca.mail.comcast.net with comcast id 86mU1b0063Bjvle8M6mWLQ; Mon, 26 Jan 2009 06:46:30 +0000 Message-ID: From: "Christopher Barber" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: Current Turbos being Used Date: Mon, 26 Jan 2009 00:46:26 -0600 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6001.18000 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 David, Where in Houston are you. As I think I have mentioned, my project is at Ellington Field...uh, I mean Ellington Airport...the city just "upgraded" the name. I too hope to turbo....even though if you read my last post it seems as if I can't seem to move past cooling issues. All the best, Chris Barber www.LoneStarVelocity.com ----- Original Message ----- From: "David Moyer" To: "Rotary motors in aircraft" Sent: Monday, January 26, 2009 12:01 AM Subject: [FlyRotary] Re: Current Turbos being Used > I'm close to Houston. I guess I would be a long way away then. Guess I > forgot you moved. > > I was kind of having the feeling that it would be better to go ahead with > the turbo setup. The cars I've built in the past I've always found it > best to do it rightthe first time is best. It may cost a bit extra in the > begining, but saves tons of time and money in the long run. > > My plane is also a Cozy MK-IV, and yes it is a Cosmo. Are you saying that > the cosmo is going to require more cooling than a standard 13B? I am sure > that with the turbo and the high compression rotors it will be putting > out lots of heat. I do have one of the 3rd gen oil coolers that I can > use for trial fitting, I guess I need to look for another one. I have > been thinking of suplimental cooling via electric fans for oil and > coolant. > > Maybe this is a question for the CA list, but do you know of any one > running cowl flaps to exhaust the heat from the engine? > > On your turbo setup, did you go with the ceramic bearing option? > > What about the turbine wheel F1 62, 65 or 68? > > What about compressor trim 50 (2.122/3.000) or the Super 50 > (2.122/3.200)? > > Are you still running a stock intercooler or did you end up upgrading? > > David Moyer > > On Jan 24, 2009, at 7:26 PM, John Slade wrote: > >> I'm not sure where you are, David, but I'd guess that you'd have to go >> up, not down to pay a visit. I moved to Connecticut. The plane is based >> at KWST, (Westerly, RI.) >> >> >Unless some one can give me a good reason to just go for it. >> My thoughts on that were that a turbo and non turbo installation are >> sufficiently different that converting would involve more effort than >> just doing it right the first time. To get an NA install running >> properly you need to pay a lot of attention to ram air and intake >> optimization, and you need to come up with some sort of muffler. >> Obviously the turbo doesn't need ram air, so your intake arrangement can >> be dedicated to cooling, and the turbo acts as a pretty good muffler. >> Exhaust augmented cooling can be arranged with either, but they'd be >> different. >> >> Why not set up for the turbo, but limit the boost to something really >> low - like 5 psi - then gradually increase the boost? >> >> On the oil cooler, a few people have had trouble with aftermarket >> coolers not taking the pressure. I went with two 3rd gen oil coolers in >> series. They're more square than the long thin 2nd gen. It depends on >> the aircraft type I guess, but these fit well either side of my plenum >> in the Cozy. You're going to need lots of oil cooling on that engine - >> It's a cosmo, right? >> Regards, >> John >> >> David Moyer wrote: >>> Thanks for the update John. Very nice setup. I woulndn't mind coming to >>> check out your Cozy if I get down your way. I was plannimg on going to >>> Sun-N-Fun, but i decided to take the time and money and put it into the >>> plane. >>> Glad to you got the bugs worked out and that gives a good starting >>> point. I am probably going to get the engine going with out the turbo >>> at first to eliminate other issues and add it later. Unless some one >>> can give me a good reason to just go for it. >>> >>> I am building the test stand for it the weekend and a mocked up >>> firewall for trial fitting components. I am thinking of going to a >>> beefed up oil coolercover the stock unit that Buly was running with the >>> engine. Any thoughts? >>> David Moyer >>> >>> On Jan 23, 2009, at 3:30 PM, John Slade >> >> >> wrote: >>> >>>> Hi David, >>>> I have over 50 hours on the Turbonetics "big shaft" with no problems. >>>> Detailed specs for the turbo are listed in paragraph "turbo homework" >>>> on my web site, >>>> See: http://canardaviation.com/cozy/chap29h.htm >>>> Regards, >>>> John >>>> /Friends don't let friends fly stock turbos >>>> / >>>> >>>> -- >>>> >>>> Homepage: http://www.flyrotary.com/ >>>> >>>> Archive and UnSub: >>>> http://mail.lancaironline.net:81/lists/flyrotary/List.html >> >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: >> http://mail.lancaironline.net:81/lists/flyrotary/List.html > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html >