X-Virus-Scanned: clean according to Sophos on Logan.com From: "Steven W. Boese" Received: from [207.46.100.141] (HELO na01-by2-obe.outbound.protection.outlook.com) by logan.com (CommuniGate Pro SMTP 6.1.2) with ESMTPS id 7700241 for flyrotary@lancaironline.net; Tue, 19 May 2015 12:21:34 -0400 Received-SPF: none receiver=logan.com; client-ip=207.46.100.141; envelope-from=SBoese@uwyo.edu Received: from BN3PR0501MB1138.namprd05.prod.outlook.com (25.160.113.148) by BN3PR0501MB1140.namprd05.prod.outlook.com (25.160.113.15) with Microsoft SMTP Server (TLS) id 15.1.166.22; Tue, 19 May 2015 16:20:59 +0000 Received: from BN3PR0501MB1138.namprd05.prod.outlook.com ([25.160.113.148]) by BN3PR0501MB1138.namprd05.prod.outlook.com ([25.160.113.148]) with mapi id 15.01.0166.017; Tue, 19 May 2015 16:20:59 +0000 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: Return to Flight - 2 Thread-Topic: [FlyRotary] Re: Return to Flight - 2 Thread-Index: AQHQki0HuOT6Ixr3RkS80kjWXUtKvZ2Ddwpz Date: Tue, 19 May 2015 16:20:58 +0000 Message-ID: <1432052458464.87515@uwyo.edu> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=SBoese@uwyo.edu; x-originating-ip: [69.146.103.188] x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:BN3PR0501MB1140; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(601004)(5005006)(3002001);SRVR:BN3PR0501MB1140;BCL:0;PCL:0;RULEID:;SRVR:BN3PR0501MB1140; x-forefront-prvs: 0581B5AB35 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(6009001)(377454003)(189002)(199003)(50986999)(54356999)(66066001)(86362001)(76176999)(99286002)(68736005)(2656002)(102836002)(1600100001)(87936001)(107886002)(64706001)(5001860100001)(5001960100002)(5001830100001)(189998001)(110136002)(106356001)(16236675004)(92566002)(75432002)(450100001)(40100003)(62966003)(77156002)(90282001)(122556002)(81156007)(4001540100001)(80792005)(97736004)(19627405001)(89122001)(2900100001)(2950100001)(117636001)(88552001)(19580395003)(106116001)(101416001)(46102003)(36756003)(105586002)(19625215002)(19580405001);DIR:OUT;SFP:1102;SCL:1;SRVR:BN3PR0501MB1140;H:BN3PR0501MB1138.namprd05.prod.outlook.com;FPR:;SPF:None;PTR:InfoNoRecords;MX:1;A:1;LANG:en; received-spf: None (protection.outlook.com: uwyo.edu does not designate permitted sender hosts) Content-Type: multipart/alternative; boundary="_000_143205245846487515uwyoedu_" MIME-Version: 1.0 X-OriginatorOrg: uwyo.edu X-MS-Exchange-CrossTenant-originalarrivaltime: 19 May 2015 16:20:58.4919 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: f9cdd7ad-825d-4601-8e9c-a325e02d52da X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN3PR0501MB1140 --_000_143205245846487515uwyoedu_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Jeff, I was looking at the photo in your May 8th message concerning PSRU oil retu= rn. The blue Push-Lok hose is shown connecting the oil pump outlet to the = bottom of the Fluidyne oil cooler on the right side. Most of the air outle= t of this oil cooler appears to be captured into a hose presumably for cabi= n heat. Is this the case for the Mazda oil cooler now in this location? The thermostat in the Mazda oil cooler is unlikely to be very effective at = maintaining a minimum returned oil temperature with the coolers in series, = no matter which order the coolers are plumbed. I realize that your main concern presently is coolant temperature control, = but in the end, everything affects everything else. Steve Boese RV6A, 1986 13B NA, RD1A, EC2 ________________________________ From: Rotary motors in aircraft on behalf of = Jeff Whaley Sent: Tuesday, May 19, 2015 6:11 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Return to Flight - 2 Hi Steve, a long time ago I had only one Fluidyne oil cooler and it wasn't = enough, so ended up with two in series - one wasn't enough yet two is almos= t too much. I swapped the right Fluidyne for the Mazda to get temperature = control. I would never have guessed about the high pressures you pointed o= ut. Also don't know if it makes any difference which cooler is first but a= ctually the Mazda oil cooler is connected first to engine outlet and oil re= turns through the Fluidyne ... hard to see from pictures submitted. Jeff --_000_143205245846487515uwyoedu_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Jeff,


I was looking at the photo in your May 8th message concerning PSRU = oil return.  The blue Push-Lok hose is shown connecting the oil pump o= utlet to the bottom of the Fluidyne oil cooler on the right side.  Mos= t of the air outlet of this oil cooler appears to be captured into a hose presumably for cabin heat.  Is this the ca= se for the Mazda oil cooler now in this location?


The thermostat in the Mazda oil cooler is unlikely to be very effective = at maintaining a minimum returned oil temperature with the coolers in serie= s, no matter which order the coolers are plumbed.


I realize that your main concern presently is coolant temperature contro= l, but in the end, everything affects everything else.


Steve Boese
RV6A, 1986 13B NA, RD1A, EC2
  

From: Rotary motors in ai= rcraft <flyrotary@lancaironline.net> on behalf of Jeff Whaley <fly= rotary@lancaironline.net>
Sent: Tuesday, May 19, 2015 6:11 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Return to Flight - 2
 

Hi Steve, a long time ago I had onl= y one Fluidyne oil cooler and it wasn’t enough, so ended up with two = in series – one wasn’t enough yet two is almost too much. = I swapped the right Fluidyne for the Mazda to get temperature control. = I would never have guessed about the high pressures you pointed out. = Also don’t know if it makes any difference which cooler is first but= actually the Mazda oil cooler is connected first to engine outlet and oil returns through the Fluidyne … hard to see = from pictures submitted.

Jeff

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