X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail89-dub-R.bigfish.com ([213.199.154.10] verified) by logan.com (CommuniGate Pro SMTP 5.2c1) with ESMTPS id 2490132 for flyrotary@lancaironline.net; Thu, 15 Nov 2007 14:30:26 -0500 Received-SPF: none receiver=logan.com; client-ip=213.199.154.10; envelope-from=Grant.Schemmel@Aeroflex.com Received: from mail89-dub (localhost.localdomain [127.0.0.1]) by mail89-dub-R.bigfish.com (Postfix) with ESMTP id AEEA9C6058C for ; Thu, 15 Nov 2007 19:29:43 +0000 (UTC) X-BigFish: VP X-MS-Exchange-Organization-Antispam-Report: OrigIP: 199.4.132.6;Service: EHS Received: by mail89-dub (MessageSwitch) id 1195154983648415_25449; Thu, 15 Nov 2007 19:29:43 +0000 (UCT) Received: from sec-fe1.aeroflex.com (sec-fe1.aeroflex.com [199.4.132.6]) by mail89-dub.bigfish.com (Postfix) with ESMTP id D5C17968060 for ; Thu, 15 Nov 2007 19:29:42 +0000 (UTC) Received: from SEC-SWING1.aeroflex.corp ([10.50.1.62]) by sec-fe1.aeroflex.com with Microsoft SMTPSVC(6.0.3790.3959); Thu, 15 Nov 2007 14:29:31 -0500 X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C827BD.D87422C9" Subject: RE: [FlyRotary] Re: Harrison cores Date: Thu, 15 Nov 2007 14:29:30 -0500 Message-ID: <3FD3715CA4DACC4E9DA3F57E5D387DEE02C5F36A@SEC-SWING1.aeroflex.corp> In-Reply-To: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: Harrison cores Thread-Index: AcgnurQwHuKhswAeRDmRZHeUS+KOSAAApddg References: From: "Schemmel, Grant" To: "Rotary motors in aircraft" X-OriginalArrivalTime: 15 Nov 2007 19:29:31.0894 (UTC) FILETIME=[D8C1C960:01C827BD] ------_=_NextPart_001_01C827BD.D87422C9 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable I did a quick internet search for Harrison specs., and found a document that mentions Harrison specified them as 400 psi. = This is actually kind of fascinating in that it's a report on running a turbocharged engine on LP and doing intercooling with the Harrison core as an intercooler. = http://www.osti.gov/bridge/servlets/purl/771212-RPXhkD/native/771212.PDF = Grant Schemmel ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Ben Baltrusaitis Sent: Thursday, November 15, 2007 12:06 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Harrison cores = = Tracy and Lynn, How much pressure are these cores good for? I plan to run dry sump with at least 60 lbs. Thanks! Ben ----- Original Message ----- = From: Tracy Crook = To: Rotary motors in aircraft = Sent: 11/15/2007 1:43 PM Subject: [FlyRotary] Re: Harrison cores = I am absolutely amazed at how well the GM evap. core is cooling the oil on my 20B installation. Cooling well at WOT on the ground! I would have previously thought this was not possible with a thick heat exchanger. It does have the best diffuser I've built to date on it and has prop blast into it. = = Tracy = = On Nov 15, 2007 1:33 PM, wrote: = = The Harrison built (same as Corvette radiator) used in air conditioning in full sized GM cars are designed to flow a major amount of air. They are cheap even when bought new. They transfer heat as good as anything you can find. They are compact. Two of them can dump the heat from most any rotary installation. Two of them for coolant and one for oil has been proven in a number of installations. = = If you want less cooling drag build the radiators into the wing skins like a Supermarine racer. = = I raced for years with one Harrison core for oil cooling in front of the water radiator. A poor installation with heated air going through the water radiator, but it worked just fine. = = Lynn E. Hanover Notice: This e-mail is intended solely for use of the individual or entity = to which it is addressed and may contain information that is proprietary, p= rivileged, company confidential and/or exempt from disclosure under applica= ble law. If the reader is not the intended recipient or agent responsible f= or delivering the message to the intended recipient, you are hereby notifie= d that any dissemination, distribution or copying of this communication is = strictly prohibited. If this communication has been transmitted from a U.S= . location it may also contain data subject to the International Traffic in= Arms Regulations or U.S. Export Administration Regulations and cannot be d= isseminated, distributed or copied to foreign nationals, residing in the U.= S. or abroad, without the prior approval of the U.S. Department of State or= appropriate export licensing authority. If you have received this communic= ation in error, please notify the sender by reply e-mail or collect telepho= ne call and delete or destroy all copies of this e-mail message, any physic= al copies made of this e-mail message and/or any file attachment(s). ------_=_NextPart_001_01C827BD.D87422C9 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
I did a quick internet search for Harrison specs.,= and = found a document that mentions Harrison specified them as 400 = psi.
 
This is actually kind of fascinating in that it's = a report = on running a turbocharged engine on LP and doing intercooling with&nbs= p; = the Harrison core as an intercooler.
 
 
Grant Schemmel

From: Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On Behalf Of Ben = Baltrusaitis
Sent: Thursday, November 15, 2007 12:06 = PM
To: Rotary motors in aircraft
Subject: [FlyRotary]= Re: = Harrison cores

Tracy and = Lynn,
How much press= ure are = these cores good for? I plan to run dry sump with at least 60 = lbs.
Thanks!=
Ben
----- Original Message -----
F= rom: = Tracy Crook
Sent: 11/15/2007 1:43 PM
Subject: [FlyRotary] Re: Harriso= n = cores

 
I am absolutely amazed at how well the GM evap. core is cooling th= e oil = on my 20B installation.  Cooling well at WOT on the ground!  = I = would have previously thought this was not possible with a thick heat = exchanger.  It does have the best diffuser I've built to date on i= t and = has prop blast into it.
 
Tracy

On Nov 15, 2007 1:33 PM, <Lehanover@aol.com> wrote:
The Harrison built (same as Corvette radiator) used in air = conditioning in full sized GM cars are designed to flow a major amoun= t of = air. They are cheap even when bought new. They transfer heat as good = as = anything you can find. They are compact. Two of them can dump the hea= t = from most any rotary installation. Two of them for coolant and one fo= r oil = has been proven in a number of installations.
 
If you want less cooling drag build the radiators into the wing = skins = like a Supermarine racer.
 
I raced for years with one Harrison core for oil cooling in fron= t of = the water radiator. A poor installation with heated air going through= the = water radiator, but it worked just fine.
 
Lynn E. = Hanover

Notice: This e-mail is intended solely for use of the individu= al or entity to which it is addressed and may contain information that is p= roprietary, privileged, company confidential and/or exempt from disclosure = under applicable law. If the reader is not the intended recipient or agent = responsible for delivering the message to the intended recipient, you are h= ereby notified that any dissemination, distribution or copying of this comm= unication is strictly prohibited. If this communication has been transmitt= ed from a U.S. location it may also contain data subject to the Internation= al Traffic in Arms Regulations or U.S. Export Administration Regulations an= d cannot be disseminated, distributed or copied to foreign nationals, resid= ing in the U.S. or abroad, without the prior approval of the U.S. Departmen= t of State or appropriate export licensing authority. If you have received = this communication in error, please notify the sender by reply e-mail or co= llect telephone call and delete or destroy all copies of this e-mail messag= e, any physical copies made of this e-mail message and/or any file attachme= nt(s). ------_=_NextPart_001_01C827BD.D87422C9--