Return-Path: <13brv3@bellsouth.net> Received: from imf16aec.mail.bellsouth.net ([205.152.59.64] verified) by logan.com (CommuniGate Pro SMTP 4.2.3) with ESMTP id 433294 for flyrotary@lancaironline.net; Sun, 26 Sep 2004 19:32:11 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.64; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf16aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20040926233141.HNKN1718.imf16aec.mail.bellsouth.net@rd> for ; Sun, 26 Sep 2004 19:31:41 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Oil viscosity Date: Sun, 26 Sep 2004 18:32:01 -0500 Message-ID: <021c01c4a421$063cf230$04000100@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_021D_01C4A3F7.1D66EA30" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 In-Reply-To: Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_021D_01C4A3F7.1D66EA30 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Definitely not BS, so your cosmic egg can remain intact. In the pan the = oil is essentially static, so there is a major boundary layer conduction = issue. In any well designed oil cooler with narrow high-velocity channels with internal fins or turbulators - - Ah-h-h; hold it right there, the AC = core doesn't qualify. Or are you using a well designed oil cooler?=20 =20 I'm using an evap core, but I don have a well designed oil cooler or two laying around in the back of the hanger if necessary. =20 =20 Good luck with your fittings, =20 Thanks, but it didn't help :-( I tried a new fitting on the hose, and = it still barely leaks, so I guess I falsely accused Earl's, and the problem = is really with the fitting that's welded on the evap core. I just ordered = some of those "Del" seals that Spruce sells for this very purpose. I've = heard they work well, but have never needed to use one before. If they really = do require less torque to seal, then they will become standard issue on all = my evap core fittings, since I hate to put too much torque when tightening them. Come to think of it, same goes for the EWP fittings. Good thing = I ordered 20. =20 =20 Cheers, Rusty (rudder and left aileron removed)=20 ------=_NextPart_000_021D_01C4A3F7.1D66EA30 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
Definitely = not BS,=20 so your cosmic egg can remain intact.  In the pan the oil is = essentially=20 static, so there is a major boundary layer conduction issue.  In = any well=20 designed oil cooler with narrow high-velocity channels with internal = fins or=20 turbulators - - Ah-h-h; hold it right there, the AC core doesn’t = qualify. =20 Or are you using a well designed oil cooler? 
 
I'm using an=20 evap core, but I don have a well designed oil cooler or two laying = around=20 in the back of the hanger if necessary. =20  

 

Good luck = with your=20 fittings,

 

 Thanks, but=20 it didn't help :-(  I tried a new fitting on the hose, and it = still=20 barely leaks, so I guess I falsely accused Earl's, and the = problem is=20 really with the fitting that's welded on the evap core.  I = just=20 ordered some of those "Del" seals that Spruce sells for this very = purpose. =20 I've heard they work well, but have never needed to use one = before.  If=20 they really do require less torque to seal, then they will become = standard issue=20 on all my evap core fittings, since I hate to put too much torque = when=20 tightening them.  Come to think of it, same goes for the EWP=20 fittings.  Good thing I ordered=20 20.  

 

Cheers,

Rusty (rudder=20 and left=20 aileron removed) 

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