X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from EXHUB003-3.exch003intermedia.net ([207.5.74.110] verified) by logan.com (CommuniGate Pro SMTP 5.3c3) with ESMTPS id 4022443 for flyrotary@lancaironline.net; Tue, 15 Dec 2009 16:00:37 -0500 Received-SPF: none receiver=logan.com; client-ip=207.5.74.110; envelope-from=jwhaley@datacast.com Received: from EXVMBX003-5.exch003intermedia.net ([207.5.74.45]) by EXHUB003-3.exch003intermedia.net ([207.5.74.110]) with mapi; Tue, 15 Dec 2009 13:00:01 -0800 From: Jeff Whaley To: Rotary motors in aircraft Date: Tue, 15 Dec 2009 13:01:07 -0800 Subject: RE: [FlyRotary] Re: Oil cooler Thread-Topic: [FlyRotary] Re: Oil cooler Thread-Index: Acp9yCGgf2nxahU3R4Cp4wOAZwhUkAAAGjBg Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: multipart/alternative; boundary="_000_C03ABB0A7362B84BB53D544B3C305E0E0153A4A101C3EXVMBX0035e_" MIME-Version: 1.0 --_000_C03ABB0A7362B84BB53D544B3C305E0E0153A4A101C3EXVMBX0035e_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Mark, yes that is for cabin heat. It provides some heat but not enough; but= as said before, my oil return temp is only 150F and I'm trying to force wa= rm air to go around corners and downhill through a 2" hose. Needs improvem= ent as it's getting cold up here. Jeff From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Beh= alf Of Mark Steitle Sent: Tuesday, December 15, 2009 3:49 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Oil cooler Jeff, Is the black tube on the backside of the oil cooler for cabin heat? How we= ll does that work? Mark On Tue, Dec 15, 2009 at 2:16 PM, Jeff Whaley > wrote: Al, no I do not measure "before and after"; it's measured at block output n= ear standard oil filter pedestal and is feed to PSRU input ... see attached= (this photo shows the first cooler input, the pressure sender and the re= turn line from second cooler) ... if I understand the oil flow correctly, t= his is after the coolers. My max oil pressure was 80 psi when I had one cooler and is still max 80 ps= i with 2 coolers - typical operating pressure is 75 psi at 5500 rpm. Jeff From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al Gietzen Sent: Tuesday, December 15, 2009 2:05 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Oil cooler Mark, I have two of the DB-30416, single-pass coolers ... no measureable pr= essure drop with 2 in series ... I'm seeing 80 psi max with the 13B. JWW What do you mean " . ... no measurable pressure drop"? Are you measuring p= ressure before and after the 2 coolers? Al G -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.= html --_000_C03ABB0A7362B84BB53D544B3C305E0E0153A4A101C3EXVMBX0035e_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Mark, yes that is for cabin heat. It provides some heat but = not enough; but as said before, my oil return temp is only 150F and I’m trying to force warm air to go around corners and downhill through a 2” hose.&n= bsp; Needs improvement as it’s getting cold up here. Jeff=

From: Rotary motors= in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Mark Stei= tle
Sent: Tuesday, December 15, 2009 3:49 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Oil cooler

Jeff,

Is the black tube on the backside of the oil cooler fo= r cabin heat? How well does that work?

Mark

On Tue, Dec 15, 2009 at 2:16 PM, Jeff Whaley <jwhaley@datacast.com> wrote:

Al, no I do not measure “bef= ore and after”; it’s measured at block output near standard oil fil= ter pedestal and is feed to PSRU input … see attached (this photo shows the first cooler input, the pressure sender and the return line from seco= nd cooler) … if I understand the oil flow correctly, this is after the coolers.

My max oil pressure was 80 psi whe= n I had one cooler and is still max 80 psi with 2 coolers – typical opera= ting pressure is 75 psi at 5500 rpm.

Jeff

From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al G= ietzen
Sent: Tuesday, December 15, 2009 2:05 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Oil cooler

Mark, I ha= ve two of the DB-30416, single-pass coolers … no measureable pressure drop w= ith 2 in series … I’m seeing 80 psi max with the 13B.

JWW=

What do you mean “ . … no measurable pressure drop”? Are you measuring pressure before an= d after the 2 coolers?

Al G

--
Homepage: htt= p://www.flyrotary.com/
Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.htm= l

--_000_C03ABB0A7362B84BB53D544B3C305E0E0153A4A101C3EXVMBX0035e_--