X-Virus-Scanned: clean according to Sophos on Logan.com X-PolluStop-Diagnostic: (direct reply)\eX-PolluStop-Score: 0.00\eX-PolluStop: Scanned with Niversoft PolluStop 2.1 RC1, http://www.niversoft.com/pollustop Return-Path: <13brv3@bellsouth.net> Received: from imf21aec.mail.bellsouth.net ([205.152.59.69] verified) by logan.com (CommuniGate Pro SMTP 4.3c4) with ESMTP id 862501 for flyrotary@lancaironline.net; Fri, 08 Apr 2005 19:16:07 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.69; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf21aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050408231515.WLYH2063.imf21aec.mail.bellsouth.net@rd> for ; Fri, 8 Apr 2005 19:15:15 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: idle speed with RD1 redrives? Date: Fri, 8 Apr 2005 18:13:18 -0500 Message-ID: <010501c53c90$8d89e970$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0106_01C53C66.A4B3E170" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0106_01C53C66.A4B3E170 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable In summary, the "rattle point" is more dependant on idle quality than absolute rpm. Do not be too concerned about this however. It will = cause no harm to the drive or engine. =20 =20 Thanks for the complete story Tracy, and John for the extra idea. I = never thought about making the idle low enough to get under the rattle point. = I had the engine running at 800 with no prop, and no problems of course. = If I could get the idle down low enough, perhaps the MAP wouldn't be = duplicated in my 2-3K rpm range. Might have to try that. =20 =20 Cheers, Rusty (carpet smelling ripe)=20 ------=_NextPart_000_0106_01C53C66.A4B3E170 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message
In = summary, the=20 "rattle point" is more dependant on idle quality than absolute = rpm.  =20 Do not be too concerned about this however.  It will cause no harm = to the=20 drive or engine.   
 
Thanks for the=20 complete story Tracy, and John for the extra idea.  I never thought = about=20 making the idle low enough to get under the rattle point.  I had = the engine=20 running at 800 with no prop, and no problems of course.  If I could = get the idle down low enough, perhaps the MAP wouldn't be = duplicated=20 in my 2-3K rpm range.  Might have to try=20 that.  
 
Cheers,
Rusty (carpet=20 smelling ripe) 
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