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Return-Path: <13brv3@bellsouth.net> Received: from imf25aec.mail.bellsouth.net ([205.152.59.73] verified) by logan.com (CommuniGate Pro SMTP 4.1.3) with ESMTP id 2564348 for flyrotary@lancaironline.net; Tue, 02 Sep 2003 00:20:37 -0400 Received: from rad ([68.212.14.21]) by imf25aec.mail.bellsouth.net (InterMail vM.5.01.05.27 201-253-122-126-127-20021220) with ESMTP id <20030902042036.FEMW1843.imf25aec.mail.bellsouth.net@rad> for ; Tue, 2 Sep 2003 00:20:36 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: flight #2 and #3 Date: Mon, 1 Sep 2003 23:20:39 -0500 Message-ID: <001a01c37109$90de06a0$0201a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001B_01C370DF.A807FEA0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 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_001B_01C370DF.A807FEA0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable But 210 into the engine is gospel from Racing Beat. =20 =20 That's depressing. I may have to call Bruce tomorrow and get his view = on this. I just took another look at the log that Finn posted a while = back, and he did have a period of time where the oil pan temp was 242, while = the oil return from the cooler was 201. If (huge, unproven "if") this is = the case with my engine, then I'll be OK, but I need to measure the temp = into the engine to be sure. I believe the archives would show that Finn suggested this to me a while back. Guess I should have listened. =20 =20 If I'm close to staying under 210, I could consider using a 160 degree thermostat. I know I've seen one of those before, but I can't find it listed anywhere at the moment. =20 =20 Bill- I'm using a custom made Howe radiator with an oil/water heat = exchanger built into each tank. I have the oil plumbed in series with the = exchangers, such that it goes through the hot tank first, then the cooler tank. = After the second exchanger, it goes through a filter, then back to the engine. = In thinking about this, I might be able to drill and tap a hole in the top = of the spin on filter bracket for a temp sensor. I'll have to take a = closer look at that. My goal was to not have to have a separate air/oil = cooler, but rest assured, the big ugly cowl has room for one if needed. =20 =20 Rusty =20 =20 ------=_NextPart_000_001B_01C370DF.A807FEA0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

But 210 into the engine is gospel from Racing Beat.

That's=20 depressing. I may have to call Bruce tomorrow and get = his view on=20 this. I just took another look at the log that Finn posted a = while=20 back, and he did have a period of time where the oil pan temp was 242, = while the=20 oil return from the cooler was 201. If (huge, unproven "if") this = is the=20 case with my engine, then I'll be OK, but I need to measure the temp = into the=20 engine to be sure. I believe the archives would show that Finn = suggested=20 this to me a while back. Guess I should have=20 listened.

If I'm=20 close to staying under 210, I could consider using a 160 degree=20 thermostat. I know I've seen one of those before, but I can't find = it=20 listed anywhere at the moment.

Bill-=20 I'm using a custom made Howe radiator with an oil/water heat=20 exchanger built into each tank. I have the oil plumbed in = series with=20 the exchangers, such that it goes through the hot tank = first,=20 then the cooler tank. After the second exchanger, it goes through = a=20 filter, then back to the engine. In thinking about this, I might = be able=20 to drill and tap a hole in the top of the spin on filter bracket = for a temp=20 sensor. I'll have to take a closer look at that. My = goal was to=20 not have to have a separate air/oil cooler, but rest assured, the big = ugly cowl=20 has room for one if needed.

Rusty

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