Return-Path: Received: from [65.54.169.138] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.2b2) with ESMTP id 3180673 for flyrotary@lancaironline.net; Tue, 20 Apr 2004 11:07:56 -0400 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Tue, 20 Apr 2004 08:07:55 -0700 Received: from 4.174.5.103 by BAY3-DAV108.phx.gbl with DAV; Tue, 20 Apr 2004 15:07:55 +0000 X-Originating-IP: [4.174.5.103] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Cooling and the 2.85 RD1C Date: Tue, 20 Apr 2004 11:07:54 -0400 MIME-Version: 1.0 X-Mailer: MSN Explorer 7.02.0011.2700 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0002_01C426C7.BAA5EC40" Message-ID: X-OriginalArrivalTime: 20 Apr 2004 15:07:55.0951 (UTC) FILETIME=[4294F3F0:01C426E9] ------=_NextPart_001_0002_01C426C7.BAA5EC40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Ran the race at average rpm of 7100 but turbulence was bad that day so it= bounced around a bit. WOT & best power mixture gives about 7250. Saw n= o sign of WP cavitation but I do use the Racing Beat underspeed pulley on= the E-shaft. =20 Tracy Tracy and All, Now that the 2.85 RD1C is looking good do you think we should address the question of water pump speeds. With the Racing Beat eccentric shaft pulley the pump is seeing approximately the same =20 RPM as the engine. As I recall the stock pump begins to cavitate as it approaches 7000 RPM. Can you tell us what engine RPM you were running at the Sun 100? Kelly Troyer =20 (Thrilled at the performance of the RD1C) -- Dyke Delta/13B/RD1C/EC2 (Eventually) =20 >> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html ------=_NextPart_001_0002_01C426C7.BAA5EC40 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

<= DIV>Ran the race at average rpm of 7100 but turbulence was bad that day s= o it bounced around a bit. WOT & best power mixture gives about= 7250. Saw no sign of WP cavitation but I do use the Racing Beat un= derspeed pulley on the E-shaft.

Tracy

   Tracy and All= ,

     Now that the 2.85 RD1C is looking good = do you think we should

address the question of water pump s= peeds. With the Racing Beat

eccentric shaft pulley the pump= is seeing approximately the same

RPM as the engine. As I = recall the stock pump begins to cavitate

as it approaches 7= 000 RPM. Can you tell us what engine RPM you

were running a= t the Sun 100?

Kelly Troyer

(Thril= led at the performance of the RD1C)
--
Dyke Delta/13B/RD1C/EC2 (Eve= ntually)

>> Homepage:&nbs= p; http://www.flyrotary.com/
>> Archive:   http:= //lancaironline.net/lists/flyrotary/List.html

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