X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.4.51.81] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 1008831 for flyrotary@lancaironline.net; Tue, 21 Jun 2005 10:34:50 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.4.51.81; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Tue, 21 Jun 2005 07:34:05 -0700 Message-ID: Received: from 64.4.51.220 by BAY107-DAV9.phx.gbl with DAV; Tue, 21 Jun 2005 14:34:05 +0000 X-Originating-IP: [64.4.51.220] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Geardrive comments Date: Tue, 21 Jun 2005 10:33:55 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0110_01C5764C.B9B4C0B0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0011.1703 Seal-Send-Time: Tue, 21 Jun 2005 10:33:55 -0400 X-OriginalArrivalTime: 21 Jun 2005 14:34:05.0321 (UTC) FILETIME=[469EA790:01C5766E] This is a multi-part message in MIME format. ------=_NextPart_000_0110_01C5764C.B9B4C0B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageWhere do these stories come from? : ) There has been no change = to the 2.85 (RD-1C) design. My takeoff RPM is around 6200 rpm (limited = by fixed pitch prop) and top speed rpm is 7450 so far. =20 Top speed runs have been limited due to oil mist blowing out of the = crankcase vent at anything above 7000 rpm. Still working on an oil / = air separator needed for air racing. No time for making this and new = prop cuffs so I'll miss the Ohio to Oshkosh race this year. Look = forward to doing it next year in the 20B powered RV-8 which is moving = ahead (finally). I noticed they are separating the formula RV classes = by engine displacement Bwahh Ha Ha Ha! .... : ) Tracy MY PSRU is not dissimilar to Tracy's in regard to using the 2.85 Ford = E4OD Planetary. Just differently configured, but then again I'm led to = believe that Tracy has changed the design for the 2.85. I personally = prefer different bearings. I don't plan on going over 7,500. Someone mentioned to me Tracy didn't exceed 7,200 on take-off, with = the 2.85. I hoping for 115 to 125hp at 7,500 rpm, I think that's achievable! George ( down under) ------=_NextPart_000_0110_01C5764C.B9B4C0B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Where do these stories come from? =  : ) =20 There has been no change to the 2.85 (RD-1C) design.  My takeoff = RPM is=20 around 6200 rpm (limited by fixed pitch prop) and top speed rpm is = 7450 so=20 far. 
 
Top speed runs have been limited due to = oil mist=20 blowing out of the crankcase vent at anything above 7000 rpm.  = Still=20 working on an oil / air separator needed for air racing.  No time = for=20 making this and new prop cuffs so I'll miss the Ohio to Oshkosh race = this=20 year.  Look forward to doing it next year in the 20B powered RV-8 = which is=20 moving ahead (finally).  I noticed they are separating the formula = RV=20 classes by engine displacement   Bwahh Ha Ha Ha! ....  :=20 )
 
Tracy
 
 
 
MY PSRU is not dissimilar to Tracy's = in regard to=20 using the 2.85 Ford E4OD Planetary. Just differently configured, but = then=20 again I'm led to believe that Tracy has changed the design for the = 2.85. I=20 personally prefer different bearings. I don't=20 plan on going over 7,500.
Someone mentioned to me Tracy didn't = exceed 7,200=20 on take-off, with the 2.85.
 
I hoping for 115 to 125hp at 7,500 = rpm, I think=20 that's achievable!
 
George ( down under)
 
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