Return-Path: Received: from fed1rmmtao11.cox.net ([68.230.241.28] verified) by logan.com (CommuniGate Pro SMTP 4.2b8) with ESMTP id 327863 for flyrotary@lancaironline.net; Tue, 20 Jul 2004 13:10:15 -0400 Received-SPF: error receiver=logan.com; client-ip=68.230.241.28; envelope-from=ALVentures@cox.net Received: from BigAl ([68.107.116.221]) by fed1rmmtao11.cox.net (InterMail vM.6.01.03.02.01 201-2131-111-104-103-20040709) with ESMTP id <20040720170915.BMZQ19941.fed1rmmtao11.cox.net@BigAl> for ; Tue, 20 Jul 2004 13:09:15 -0400 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Oil Delta T was: 11th test flight Date: Tue, 20 Jul 2004 10:09:17 -0700 Message-ID: <000e01c46e7c$4a800340$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000F_01C46E41.9E212B40" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_000F_01C46E41.9E212B40 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable =20 =20 Subject: [FlyRotary] Re: Oil Delta T was: 11th test flight =20 I am wondering if there is a minimum temp for the oil. My usually = varies between 140 and 160 depending on my power and attitude. It will drop = into the 130's in a long descent. The engine is general is still warm based = on coolant temps. Does anyone feel that I need to keep the oil a little = warmer for the sake of the engine? =20 Dave Leonard =20 Dave; =20 I recall David Atkins suggesting not to operate below 140F. I would = think this an issue only when under significant power, and not when in a = descent. But I suppose a full power go-around starting a 130F might not be the = best thing. =20 I don't have a thermostat in the oil circuit either, but will add one = later if I have to. =20 Al ------=_NextPart_000_000F_01C46E41.9E212B40 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

 

 

Subject: [FlyRotary] Re: Oil Delta T was: 11th test flight

 

I am wondering = if there is a minimum temp for the oil.  My usually varies between 140 and = 160 depending on my power and attitude.  It will drop into the 130's in = a long descent.  The engine is general is still warm based on coolant = temps.  Does anyone feel that I need to keep the oil a little warmer for the = sake of the engine?

 

Dave = Leonard

=

 

Dave;

 

I recall David Atkins suggesting not to operate below 140F.  I would = think this an issue only when under significant power, and not when in a = descent.  But I suppose a full power go-around starting a 130F might not be the best = thing.

 

I don’t have a thermostat in the oil circuit either, but will add = one later if I have to.

 

Al

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