Return-Path: <13brv3@bellsouth.net> Received: from imf24aec.mail.bellsouth.net ([205.152.59.72] verified) by logan.com (CommuniGate Pro SMTP 4.1.5) with ESMTP id 2626100 for flyrotary@lancaironline.net; Mon, 06 Oct 2003 12:33:56 -0400 Received: from rad ([68.212.15.208]) by imf24aec.mail.bellsouth.net (InterMail vM.5.01.05.27 201-253-122-126-127-20021220) with ESMTP id <20031006163324.QMCQ1810.imf24aec.mail.bellsouth.net@rad> for ; Mon, 6 Oct 2003 12:33:24 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] turbo, was Mill/Lathe tools Date: Mon, 6 Oct 2003 11:33:16 -0500 Message-ID: <007301c38c27$8bb05c30$0201a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0074_01C38BFD.A2DA5430" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0074_01C38BFD.A2DA5430 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable I did have the privilege of seeing Steve Brooks' rotary installation in his Cozy mkIV. Looks great. He is using the stock turbo option. Does anybody know if the stock turbo will hold up for continuous duty? I have heard the bearings and lubrication is a problem. Maybe I = heard wrong? I sure hope it holds up, or I'm in trouble. The stock turbo holds up = very well in the 2nd gen RX-7, and "continuous duty" is sort of a relative = term. The turbo is always turning, but not at super high rpms. I'm certainly stressing mine more than it would be in a car, but it's tough to say how much more. Buying an aftermarket turbo doesn't guarantee longevity = either. Then you have to worry if it will take the heat of the rotary exhaust. = At least we know the stock one will.=20 BTW- I'm not trying to sway you either way. There are certainly better = size choices for aircraft use, than the stock turbo. Cheers, Rusty (drowning in mill and lathe thoughts)=20 Turbo 13B RV-3 ------=_NextPart_000_0074_01C38BFD.A2DA5430 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message
          &nbs= p; I did=20 have the privilege of seeing Steve Brooks’ rotary installation in = his Cozy mkIV.=20 Looks great. He is using the stock turbo option. Does anybody know if = the stock=20 turbo will hold up for continuous duty? I have heard the bearings and=20 lubrication is a problem. Maybe I heard wrong?

I sure hope it holds up, or I'm in = trouble.  The stock=20 turbo holds up very well in the 2nd gen RX-7, and "continuous duty" is = sort of a=20 relative term.  The turbo is always turning, but not at super high=20 rpms.  I'm certainly stressing mine more than it would be in a car, = but=20 it's tough to say how much more.  Buying an aftermarket turbo = doesn't=20 guarantee longevity either.  Then you have to worry if it will take = the=20 heat of the rotary exhaust.  At least we know the stock one=20 will. 

BTW- I'm not trying to sway you either way.  = There are=20 certainly better size choices for aircraft use, than the stock=20 turbo.

Cheers,
Rusty (drowning in mill and lathe thoughts)=20
Turbo 13B = RV-3
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