X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 08 Jun 2007 07:38:11 -0400 Message-ID: X-Original-Return-Path: Received: from an-out-0708.google.com ([209.85.132.240] verified) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTP id 2090989 for lml@lancaironline.net; Fri, 08 Jun 2007 07:09:39 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.132.240; envelope-from=msteitle@gmail.com Received: by an-out-0708.google.com with SMTP id b2so155125ana for ; Fri, 08 Jun 2007 04:09:01 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:references; b=KMS5uLPdkaKOqQubfpZDzQXCPRsAfpvMk0zcry6gg/Df6I2m1SeYeDiHL80RiHulZSYxUXMHP30CUDw+D2sGFcC8i43nvbZZ1ISLTQthpyUsF6vDeyF/vw261r4J4l+3rIlklVQ6tZ3bHvidw7dTWM5So07KAK67U66hqetDbSg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:references; b=mP8sn6Gt0itnu47PZHllO0nE8gRk3htEpSmUHmpmSdrY/G8sCS8PnlBphZ12uu5gKgfHtGfzpkE++UFONyWmW/D87z87JZ5dXUzw2t5/cf0b4Q/JzP+jvf1yDHds8OEqV0cLea47szlXTNAbrkU07xjN3DPdfgrFz8qrqFdmBtI= Received: by 10.100.122.8 with SMTP id u8mr1698973anc.1181300940832; Fri, 08 Jun 2007 04:09:00 -0700 (PDT) Received: by 10.100.38.20 with HTTP; Fri, 8 Jun 2007 04:09:00 -0700 (PDT) X-Original-Message-ID: <5cf132c0706080409t4433f39axa64c3bda1ab5bbab@mail.gmail.com> X-Original-Date: Fri, 8 Jun 2007 06:09:00 -0500 From: "Mark Steitle" X-Original-To: "Lancair Mailing List" Subject: Re: [LML] Re: What's better than a Continental IO-550 fuel system? In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_72376_406669.1181300940797" References: ------=_Part_72376_406669.1181300940797 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Colyn, Yes, there have been a few. Dave Leonard and Tom Parkes names comes to mind. The rotary is a very good match for a turbo, but the problem is finding a turbo that can stand up to the rotary. The few that have tried it have spent a good chunk of change trying to find a combination that will handle the severe beating that the rotary dishes out. (Higher exhaust temps and no exhaust valves to soften the exhaust pulses.) The good news is that a failed turbo still allows the engine to continue running, albeit at reduced power. The "turbo guys" are getting closer on finding the right combination for airborn rotary. The two big issues are heat and overspeed. Inconnel turbo blades are mandatory. I initially was going the turbo route, but eventually decided on the simpler route and go n/a. I think it was a good decision. My engine is a turbo version, so if I every decide that I want to turbo-charge, then it will be a bit simpler undertaking. Mark On 6/7/07, Colyn Case on earthlink wrote: > > Mark S., > I found your post informative and interesting. > Has anyone attempted a turbo installation of that engine? > > Colyn > > ------=_Part_72376_406669.1181300940797 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline
Colyn,
 
Yes, there have been a few.  Dave Leonard and Tom Parkes names comes to mind.  The rotary is a very good match for a turbo, but the problem is finding a turbo that can stand up to the rotary.  The few that have tried it have spent a good chunk of change trying to find a combination that will handle the severe beating that the rotary dishes out.  (Higher exhaust temps and no exhaust valves to soften the exhaust pulses.)  The good news is that a failed turbo still allows the engine to continue running, albeit at reduced power.  The "turbo guys" are getting closer on finding the right combination for airborn rotary. 
 
The two big issues are heat and overspeed.  Inconnel turbo blades are mandatory.
 
I initially was going the turbo route, but eventually decided on the simpler route and go n/a.  I think it was a good decision.  My engine is a turbo version, so if I every decide that I want to turbo-charge, then it will be a bit simpler undertaking.
 
Mark

 
On 6/7/07, Colyn Case on earthlink <colyncase@earthlink.net> wrote:
Mark S.,
    I found your post informative and interesting.
    Has anyone attempted a turbo installation of that engine?
 
Colyn
 

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