X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from QMTA06.emeryville.ca.mail.comcast.net ([76.96.30.56] verified) by logan.com (CommuniGate Pro SMTP 5.3c3) with ESMTP id 4024706 for flyrotary@lancaironline.net; Wed, 16 Dec 2009 19:38:21 -0500 Received-SPF: none receiver=logan.com; client-ip=76.96.30.56; envelope-from=gregw@onestopdesign.biz Received: from OMTA21.emeryville.ca.mail.comcast.net ([76.96.30.88]) by QMTA06.emeryville.ca.mail.comcast.net with comcast id J0Hu1d0051u4NiLA60dnK9; Thu, 17 Dec 2009 00:37:47 +0000 Received: from gregiv ([24.6.75.252]) by OMTA21.emeryville.ca.mail.comcast.net with comcast id J0dQ1d0045ScAtC8h0dUbo; Thu, 17 Dec 2009 00:37:35 +0000 Message-ID: <108B78152FDE40B8BD7587352D74BEEC@yosemite.onestopdesign.biz> From: "Greg Ward" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Cabin Heat (Was Oil Cooler) Date: Wed, 16 Dec 2009 16:42:52 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0A95_01CA7E6E.CFB61740" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_0A95_01CA7E6E.CFB61740 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hey Al; I have had that same suggestion made to me, but to make sure there is a = valve, readily accessible to shut it off if it leaks, makes sense. G. ----- Original Message -----=20 From: Al Gietzen=20 To: Rotary motors in aircraft=20 Sent: Wednesday, December 16, 2009 11:25 AM Subject: [FlyRotary] Re: Cabin Heat (Was Oil Cooler) -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Greg Ward Sent: Wednesday, December 16, 2009 10:32 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Cabin Heat (Was Oil Cooler) Hey Mark; We've been looking at the same things with our install. We talked to = our exhaust guy, and he feels that with the exhaust temps that these = rotaries have, that it might not be a good idea, (the muff). Next step = was hot water, plumbing, and a heater core inside some where, which was = sort of a negative idea. We kept all of our cooling lines exterior, so = that a coolant leak wouldn't happen inside at about 10K feet, and 200+ = knots, not a good scenario. J.C. Whitney has a small electric heater = that has some possibilities, so we are looking into that and some other = ideas. Greg Ward Greg; Having studied that option in the past; I=92d suggest you save your = time =96 unless you want to add another alternator. For effective = heating you=92re going to need more than 1000 watts. For a 14 volt = system that=92s over 70+ amps. I don=92t consider it a risk to run some relatively small diameter, = high quality, heater hose (5/8=94) into the cabin to a small heater = core. I have a 7=94 x 7=94 heater core, and it puts out at least 1500 = watts, or more. See Mcmaster-Carr silicone hose, part #5296K12. = Pressure test your system each annual to about 35 psi. Al G ------=_NextPart_000_0A95_01CA7E6E.CFB61740 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Hey Al;
I have had that same = suggestion made=20 to me, but to make sure there is a valve, readily accessible to shut it = off if=20 it leaks, makes sense.
G.
----- Original Message -----
From:=20 Al = Gietzen=20
Sent: Wednesday, December 16, = 2009 11:25=20 AM
Subject: [FlyRotary] Re: Cabin = Heat (Was=20 Oil Cooler)

 

 

-----Original=20 Message-----
From: = Rotary=20 motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Greg = Ward
Sent: Wednesday,=20 December 16, 2009 10:32=20 AM
To: Rotary motors in = aircraft
Subject: [FlyRotary] Re: Cabin = Heat (Was=20 Oil Cooler)

 

Hey = Mark;

We've been=20 looking at the same things with our install.  We talked to our = exhaust=20 guy, and he feels that with the exhaust temps that these rotaries = have, that=20 it might not be a good idea, (the muff).  Next step was hot = water,=20 plumbing, and a heater core inside some where, which was sort of a = negative=20 idea.  We kept all of our cooling lines exterior, so that a = coolant leak=20 wouldn't happen inside at about 10K feet, and 200+ knots, not a good=20 scenario.  J.C. Whitney has a small electric heater that has some = possibilities, so we are looking into that and some other=20 ideas.

Greg=20 Ward

Greg;

 

Having = studied that=20 option in the past; I=92d suggest you save your time =96 unless you = want to add=20 another alternator.  For effective heating you=92re going to need = more than=20 1000 watts.  For a 14 volt system that=92s over 70+ = amps.

 

I don=92t = consider it=20 a risk to run some relatively small diameter, high quality, heater = hose (5/8=94)=20 into the cabin to a small heater core.  I have a 7=94 x 7=94 = heater core, and=20 it puts out at least 1500 watts, or more. See Mcmaster-Carr silicone = hose,=20 part #5296K12.  Pressure test your system each annual to about 35 = psi.

 

Al=20 G

 

 

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