Return-Path: Received: from avocet.mail.pas.earthlink.net ([207.217.120.50] verified) by logan.com (CommuniGate Pro SMTP 4.2b2) with ESMTP id 3189311 for flyrotary@lancaironline.net; Sun, 25 Apr 2004 08:17:48 -0400 Received: from user-2injrc1.dialup.mindspring.com ([165.121.237.129] helo=Carol) by avocet.mail.pas.earthlink.net with smtp (Exim 3.33 #1) id 1BHiZu-0005Ex-00 for flyrotary@lancaironline.net; Sun, 25 Apr 2004 05:17:46 -0700 Message-ID: <001901c42abf$4ba214d0$0000a398@Carol> From: "sqpilot@earthlink" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: 2.85 redrive Date: Sun, 25 Apr 2004 07:17:35 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0016_01C42A95.61C10570" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2720.3000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2739.300 This is a multi-part message in MIME format. ------=_NextPart_000_0016_01C42A95.61C10570 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Saturday, April 24, 2004 11:58 PM Subject: [FlyRotary] Re: 2.85 redrive=20 All this talk about 2.85 gear boxes, getting higher into the power = curve, improving cliumb performance, etc, is really interesting. Since 3 of = my 6 initial reasons for going rotary were reliability, I'm wondering what = running at these higher power levels is going to do in that regard. Hi Marv, I think it's extremely unlikely that anyone will have a catastrophic = failure of a NA rotary below 8000 rpm. Now if you turbo it, all bets = are off. This is one of the reasons I no longer run a turbo on the = plane. I can afford to blow the FD engine, and AAA will tow it back to = my house. =20 You are correct about wear though, but you have to decide what you = want. I want a toy, that makes people say "Holy S***" every time I take = off. Even if it "only" lasts 1000 hours before it wears out, that's 30 = years of flying for me. The symptoms of a worn out engine are pretty = benign, so when the time comes, I just rebuild it. =20 Cheers, Rusty (anybody need a turbo? anybody at all... ) =20 Why....do you have another turbo? I was considering adding one = primarily for the benefit of muffling the exhaust. I was impressed when = I heard John Slade's engine running with the turbo. Very quiet. = Possibly because the turbo muffles the exhaust, and then the prop = finishes the job? Paul Conner ------=_NextPart_000_0016_01C42A95.61C10570 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
 
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Saturday, April 24, 2004 = 11:58=20 PM
Subject: [FlyRotary] Re: 2.85 = redrive=20

All this talk about 2.85 gear boxes, getting higher = into the=20 power curve,
improving cliumb performance, etc, is really=20 interesting.  Since 3 of my 6
initial reasons for going rotary = were=20 reliability, I'm wondering what running
at these higher power = levels is=20 going to do in that regard.

 
Hi=20 Marv,
 
I think it's=20 extremely unlikely that anyone will have a catastrophic failure = of a NA=20 rotary below 8000 rpm.  Now if you turbo it, all bets are=20 off.  This is one of the reasons I no longer run a turbo on = the=20 plane.  I can afford to blow the FD engine, and AAA will tow = it back=20 to my house. 
 
You = are correct about=20 wear though, but you have to decide what you want.  I want a toy, = that=20 makes people say "Holy S***" every time I take off.  = Even if it=20 "only" lasts 1000 hours before it wears out, that's 30 years of flying = for=20 me.  The symptoms of a worn out engine are pretty benign, so = when=20 the time comes, I just rebuild it.  
 
Cheers,
Rusty = (anybody need a=20 turbo?  anybody at all...=20  <g>)  
 
Why....do you have=20 another turbo?  I was considering adding one primarily for the = benefit of=20 muffling the exhaust. I was impressed when I heard John Slade's engine = running=20 with the turbo.  Very quiet. Possibly because the turbo muffles = the=20 exhaust, and then the prop finishes the job?   Paul=20 Conner



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