Return-Path: Received: from [65.54.169.69] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.1.3) with ESMTP id 2586540 for flyrotary@lancaironline.net; Fri, 19 Sep 2003 23:53:35 -0400 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Fri, 19 Sep 2003 20:53:35 -0700 Received: from 65.137.51.142 by bay3-dav39.bay3.hotmail.com with DAV; Sat, 20 Sep 2003 03:53:34 +0000 X-Originating-IP: [65.137.51.142] X-Originating-Email: [lors01@msn.com] Reply-To: "Tracy Crook" From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Rotary Boats Date: Fri, 19 Sep 2003 23:55:49 -0400 Organization: Real World Solutions Inc. MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0070_01C37F09.8D136E80" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Message-ID: X-OriginalArrivalTime: 20 Sep 2003 03:53:35.0100 (UTC) FILETIME=[C40C4BC0:01C37F2A] This is a multi-part message in MIME format. ------=_NextPart_000_0070_01C37F09.8D136E80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message ----- Original Message -----=20 From: Peter Cowan/Lexy Cameron=20 To: Rotary motors in aircraft=20 Sent: Friday, September 19, 2003 8:13 AM Subject: [FlyRotary] Re: Whats good for Racing is necessarily good for = aircraft was Re: Intake questions This may be just side commentary and a useless data point, but for = what it's worth here is another somewhat different comparison. Also I've = copied Jon Lauter on this because he must have some more knowledgeable = input. I have one of Jon's Rotary Power Marine engines in a boat. (Cut = that laughter right now). He rated it at 175hp and has a short manifold = to a carb just above it on the intake side of the engine (also = distributer ignition, turbo block and rotors).=20 My "dyno" comparison is with the previous engine a 150hp johnson = outboard (Will you guys cut that out?) The current installation must be = well over 100lbs heavier due to the conversion from an outboard to a = stern drive but turning only 4500 I'm the same speed as the 150 hp so I = feel pretty comfortable that should I let this get up to 6500 I'd have = that 175. Pretty scientific, I know. Hopefully Jon will respond. By the way, it is really nice cooling a boat engine! Peter Peter, just the guy I want to talk too. I'm converting a 4.3L Chevy = stern drive boat to rotary power so I'm curious about what you used to = interface the 13B to the stern drive. I figure I'll be droping about = 150 pounds. =20 I have assumed that RPM is doing jet drive boats but maybe they have = stern drive stuff too? I seem to have lost Jon's email address so would = appreciate it if you could pass that along.=20 BTW, I used to fly a 135 HP Johnson outboard. Now *you* stop = laughing : ) Tracy ------=_NextPart_000_0070_01C37F09.8D136E80 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
 
----- Original Message -----
From:=20 Peter = Cowan/Lexy=20 Cameron
Sent: Friday, September 19, = 2003 8:13=20 AM
Subject: [FlyRotary] Re: Whats = good for=20 Racing is necessarily good for aircraft was Re: Intake questions

This may be just side commentary and = a useless=20 data point, but for what it's worth here is another somewhat = different=20 comparison. Also I've copied Jon Lauter on this because he must have = some more=20 knowledgeable input. I have one of Jon's Rotary Power Marine =  engines in=20 a boat. (Cut that laughter right now). He rated it at 175hp and has a = short=20 manifold to a carb just above it on the intake side of the engine = (also=20 distributer ignition, turbo block and rotors).
My "dyno" comparison is with the = previous engine=20 a 150hp johnson outboard (Will you guys cut that out?)  The = current=20 installation must be well over 100lbs heavier due to the conversion = from an=20 outboard to a stern drive but turning only 4500 I'm the same speed as = the 150=20 hp so I feel pretty comfortable that should I let this get up to 6500 = I'd have=20 that 175. Pretty scientific, I know.
Hopefully Jon will = respond.
By the way, it is really nice cooling = a boat=20 engine!
Peter
 
Peter, just the guy I want to talk = too.  I'm=20 converting a 4.3L Chevy stern drive boat to rotary power so I'm = curious about=20 what you used to interface the 13B to the stern drive.  I figure = I'll be=20 droping about 150 pounds.  
 I have assumed that RPM is = doing jet drive=20 boats but maybe they have stern drive stuff too?  I seem to have = lost=20 Jon's email address so would appreciate it if you could pass that=20 along. 
 
BTW, I used to fly a 135 HP Johnson=20 outboard.   Now  *you* stop laughing : )
 
Tracy
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