X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from SMTP02.INFOAVE.NET ([165.166.0.27] verified) by logan.com (CommuniGate Pro SMTP 5.0.8) with ESMTP id 982353 for flyrotary@lancaironline.net; Sun, 12 Feb 2006 21:22:48 -0500 Received-SPF: none receiver=logan.com; client-ip=165.166.0.27; envelope-from=jewen@comporium.net Received: from Engineer1 ([206.74.100.187]) by SMTP00.InfoAve.Net (PMDF V6.2-X31 #31155) with SMTP id <01LYW8OFTHVQ90VHHI@SMTP00.InfoAve.Net> for flyrotary@lancaironline.net; Sun, 12 Feb 2006 21:21:30 -0500 (EST) Date: Sun, 12 Feb 2006 21:21:25 -0500 From: Joe Ewen Subject: Re: [FlyRotary] 6 port? To: Rotary motors in aircraft Message-id: <001001c63044$310ca720$6705a8c0@cooleygroup.local> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2670 X-Mailer: Microsoft Outlook Express 6.00.2900.2670 Content-type: multipart/alternative; boundary="----=_NextPart_000_000D_01C6301A.47817FF0" X-Priority: 3 X-MSMail-priority: Normal References: This is a multi-part message in MIME format. ------=_NextPart_000_000D_01C6301A.47817FF0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable "7,000 RPM buy the turbo now" any suggestions on a turbo? Joe ----- Original Message -----=20 From: Lehanover@aol.com=20 To: Rotary motors in aircraft=20 Sent: Wednesday, February 08, 2006 1:50 AM Subject: [FlyRotary] 6 port? I have never seen a race car (where the owner had a choice), run with = a 6 port engine. The 6 port works with high revs and a very complex tuned manifold. = Without the valving to transition between the RPM ranges, it will be a = dog at lower revs. Poor runner velocity and the like. Save yourself a lot of pain and buy the 4 port. Simple manifolding, = even if you build it yourself. All of the racing stuff works fine, if you want porting.=20 Look for 180-190 HP from the base engine with a big TB. If you really = need well over 200 at below 7,000 RPM buy the turbo now. Or learn to = street port. You will be surprised to find out that real airplane = engines have nothing close to their advertised HP. That 180 real dynoed = HP of a rotary will have you outrunning the real airplane engine powered = stuff with the advertised 200 HP. Lynn E. Hanover ------=_NextPart_000_000D_01C6301A.47817FF0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
"7,000 RPM buy the turbo now"  any suggestions on a = turbo?
 
Joe
----- Original Message -----
From:=20 Lehanover@aol.com
Sent: Wednesday, February 08, = 2006 1:50=20 AM
Subject: [FlyRotary] 6 = port?

I have never seen a race car (where the owner had a choice), run = with a 6=20 port engine.
 
The 6 port works with high revs and a very complex tuned = manifold.=20 Without the valving to transition between the RPM ranges, it will be a = dog at=20 lower revs. Poor runner velocity and the like.
 
Save yourself a lot of pain and buy the 4 port. Simple = manifolding, even=20 if you build it yourself.
All of the racing stuff works fine, if you want porting.
 
Look for 180-190 HP from the base engine with a big TB. If you = really=20 need well over 200 at below 7,000 RPM buy the turbo now. Or learn to = street=20 port. You will be surprised to find out that real airplane engines = have=20 nothing close to their advertised HP. That 180 real dynoed HP of a = rotary will=20 have you outrunning the real airplane engine powered stuff with the = advertised=20 200 HP.
 
 
Lynn E. Hanover
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