Return-Path: Received: from mail.tsisp.com ([65.23.108.44] verified) by logan.com (CommuniGate Pro SMTP 4.2b8) with ESMTP-TLS id 321375 for flyrotary@lancaironline.net; Wed, 14 Jul 2004 13:50:02 -0400 Received-SPF: error receiver=logan.com; client-ip=65.23.108.44; envelope-from=steve@tsisp.com Received: from stevehome by mail.tsisp.com (Technical Support Inc.) with SMTP id CQA74584 for ; Wed, 14 Jul 2004 13:49:28 -0400 Reply-To: From: "Steve Brooks" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: New Scoop Date: Wed, 14 Jul 2004 13:51:32 -0400 Message-ID: <02bf01c469cb$32d2cd50$6400a8c0@WORKGROUP.local> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_02C0_01C469A9.ABC12D50" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook CWS, Build 9.0.2416 (9.0.2910.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 In-Reply-To: Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_02C0_01C469A9.ABC12D50 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Al, Thanks for shedding some light on it. Both reasons make sense, and I was probably told why to star6t with, but didn't remember. Steve -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Al Gietzen Sent: Wednesday, July 14, 2004 12:53 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: New Scoop Subject: [FlyRotary] Re: New Scoop Kelly, I would tend to agree, but according to information I received from other on this group, I was told that the common practice was to measure the coolant at its hottest point, and oil at it's coolest point. It's logical place to measure the coolant at its hottest point since that is its limiting value. If you have coolant exceeding the boiling point anywhere (except for the nucleate boiling at internal surfaces) you have a problem. The limiting factor on the oil temp in the rotary is its ability to cool the rotors/seals, so it's the temp at which it returns to the engine. This limit is generally accepted to be about 220F, but could be exceeded some for short periods and probably not be a problem. The limit on the oil itself (breakdown) is higher; considerably higher for synthetics. At least that's my take on it. Al ------=_NextPart_000_02C0_01C469A9.ABC12D50 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Al,

Th= anks for shedding some light on it.  = Both reasons make sense, and I was probably told why to star6t with, but didn’t = remember.

 

St= eve

 

-----Original Message-----
From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Al Gietzen
Sent: Wednesday, July 14, = 2004 12:53 PM
To: Rotary motors in = aircraft
Subject: [FlyRotary] Re: = New Scoop

 

Subject: [FlyRotary] Re: New Scoop <= /p>

 <= /p>

Kelly,<= font color=3Dblack><= /p>

I would tend to agree, but according to information I received from other = on this group, I was told that the common practice was to measure the coolant at = its hottest point, and oil at it’s coolest point. =  <= /p>

 <= /p>

It’s logical place to measure the coolant at its hottest point since that is = its limiting value.  If you have coolant exceeding the boiling point = anywhere (except for the nucleate boiling at internal surfaces) you have a problem. 

 <= /p>

The limiting factor on the oil temp in the rotary is its ability to cool the rotors/seals, so it’s the temp at which it returns to the = engine.  This limit is generally accepted to be about 220F, but could be exceeded some = for short periods and probably not be a problem.  The limit on the oil = itself (breakdown) is  higher; considerably higher for = synthetics.<= /p>

 <= /p>

At least that’s my take on it.<= /p>

 <= /p>

Al<= /p>

 <= /p>

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