X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from email2k3.itlnet.net ([64.19.112.15] verified) by logan.com (CommuniGate Pro SMTP 5.1c.2) with ESMTP id 1238377 for flyrotary@lancaironline.net; Sat, 15 Jul 2006 19:06:16 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.19.112.15; envelope-from=jwvoto@itlnet.net Received: from rav.itlnet.net (unverified [192.168.10.149]) by email2k3.itlnet.net (Rockliffe SMTPRA 7.0.3) with SMTP id for ; Sat, 15 Jul 2006 18:05:32 -0500 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on rav.itlnet.net X-Spam-Level: X-Spam-Status: No, score=-1.4 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE autolearn=failed version=3.1.3 Received: from JWVOTO (unverified [64.19.115.87]) by mail.itlnet.net (Rockliffe SMTPRA 7.0.3) with ESMTP id for ; Sat, 15 Jul 2006 18:05:29 -0500 Message-ID: <003501c6a864$f3b8ac40$57731340@JWVOTO> From: "Wendell Voto" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: heater Date: Sat, 15 Jul 2006 18:17:35 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0032_01C6A83A.F27EBEC0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 This is a multi-part message in MIME format. ------=_NextPart_000_0032_01C6A83A.F27EBEC0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable -----=20 Subject: [FlyRotary] Re: heater Ernest. My oil temp generally runs 10C degrees cooler than the coolant = temperature. This is actually very desirable as the oil red line is 210F while the = coolant can go much higher. Also it will take longer for the oil to heat up than the coolant as = it's thermostat is activated at 140F degrees allowing flow through the = cooler, while the coolant thermostat is usually at 180F, if you have = one installed. Having said all that, I am currently using my oil cooler exhaust air = for cabin heat just because it was easier to do, since the oil cooler is = mounted to the firewall and has its own fresh air inlet and outlets. Jim Ernest Christley wrote: snip I'm using oil for cabin heating. It's hotter. --=20 ,|"|"|, Ernest Christley | Concerning cabin heaters, I had been planning on following John = Slade with the heater A/C combo until a conversation with a fellow Cozy = builder and he claimed that running the hot water lines inside (as would = need to be done on a Cozy) leads to a possible failure mode that could = cook the pilot and / or passengers. Said hot water from engine escaping = into cabin usually causes steam which somehow is hotter that the water = or is more likely to spray all over the place and cause great pain to = the occupants. Claimed this is what caused one of the air racers to = crash recently. Should I change to oil for the heat ? If so, what = exchanger will handle the oil pressure and spikes of the rotary? All = comments (sensible) welcome.=20 Wendell ------=_NextPart_000_0032_01C6A83A.F27EBEC0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
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Subject: [FlyRotary] Re: = heater

Ernest.
My oil temp generally runs 10C degrees cooler than the coolant=20 temperature.
This is actually very desirable as the oil red line is 210F while = the=20 coolant can go much higher.
Also it will take longer for the oil to heat up than the coolant = as it's=20 thermostat is activated at 140F degrees allowing flow through the=20 cooler, while the coolant thermostat is usually at 180F, if=20 you  have one installed.
Having said all that, I am currently using my oil cooler exhaust = air for=20 cabin heat just because it was easier to do, since the oil cooler is = mounted=20 to the firewall and has its own fresh air inlet and outlets.
Jim

Ernest Christley = <echristley@nc.rr.com>=20 wrote:
snip
 

I'm using oil for cabin heating. It's hotter.

-- =
,|"|"|,=20 Ernest Christley |
 
 
Concerning cabin heaters, I had been = planning=20 on following John Slade with the heater A/C combo until a = conversation with=20 a fellow Cozy builder and he claimed that running the hot water = lines inside=20 (as would need to be done on a Cozy) leads to a possible failure = mode that=20 could cook the pilot and / or passengers.  Said hot water from = engine=20 escaping into cabin usually causes steam which somehow is hotter = that the=20 water or is more likely to spray all over the place and cause=20 great pain to the occupants.  Claimed this is what = caused one=20 of the air racers to crash recently. Should I change to oil for = the=20 heat ? If so, what exchanger will handle the oil pressure and spikes = of the=20 rotary?  All comments (sensible) welcome. 
 
Wendell
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