Return-Path: Received: from fed1rmmtao02.cox.net ([68.230.241.37] verified) by logan.com (CommuniGate Pro SMTP 4.2.8) with ESMTP id 616116 for flyrotary@lancaironline.net; Fri, 21 Jan 2005 10:48:57 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.241.37; envelope-from=ALVentures@cox.net Received: from BigAl ([68.7.14.39]) by fed1rmmtao02.cox.net (InterMail vM.6.01.04.00 201-2131-117-20041022) with ESMTP id <20050121154826.SZAT17983.fed1rmmtao02.cox.net@BigAl> for ; Fri, 21 Jan 2005 10:48:26 -0500 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Oil and WaterTemps Date: Fri, 21 Jan 2005 07:48:29 -0800 Message-ID: <000001c4ffd0$a77241e0$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C4FF8D.994F01E0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C4FF8D.994F01E0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable If you are only measuring one point for each; probably best to measure coolant out of the engine (water pump housing), and oil temp going in. =20 =20 If you have additional temp measuring channels; as with the EM2, then = some additional data can be useful in diagnosing cooling systems behavior. I measure oil temp out of the engine at the filter mount (which I have on = the outlet side from the engine), and at the adapter block going back in. = Gives me the delta T of the oil cooler. I also measure temp on the outlet leg = of each of two radiators, in addition to the engine out at the water pump. Gives me the delta T for each rad. =20 I also have outside air temp, and exit air temps on the oil cooler and = each rad. So I have complete heat balances on the cooling system. If = everything is working just fine; it's just extra data. If not, that data will help = me diagnose how to fix a problem. =20 FWIW, Al (changing to posting at the top; but I'll never give up the freedom = to use HTML:-)) =20 Subject: [FlyRotary] Re: Oil and WaterTemps =20 =20 Where are you guys measuring the oil temp? I believe some are putting = temp sensor on a fitting at the oil filter. Is this correct? Does everyone = sense the water temp at the water pump housing? Wendell ------=_NextPart_000_0001_01C4FF8D.994F01E0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

If you = are only measuring one point for each; probably best to measure coolant out of = the engine (water pump housing), and oil temp going in.  =

 

If you = have additional temp measuring channels; as with the EM2, then some = additional data can be useful in diagnosing cooling systems behavior.  I measure = oil temp out of the engine at the filter mount (which I have on the outlet side = from the engine), and at the adapter block going back in.  Gives me the = delta T of the oil cooler.  I also measure temp on the outlet leg of each of = two radiators, in addition to the engine out at the water pump.  Gives = me the delta T for each rad.

 

I also = have outside air temp, and exit air temps on the oil cooler and each = rad.  So I have complete heat balances on the cooling system.  If everything = is working just fine; it’s just extra data.  If not, that data = will help me diagnose how to fix a problem.

 

FWIW,

Al = (changing to posting at the top; but I’ll never give up the freedom to use = HTMLJ)<= /font>

 

Subject: [FlyRotary] Re: Oil and WaterTemps

 

 

=

Where are you = guys measuring the oil temp? I believe some are putting temp sensor on a = fitting at the oil filter. Is this correct? Does everyone sense the water temp at = the water pump housing?

Wendell

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