X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf20aec.mail.bellsouth.net ([205.152.59.68] verified) by logan.com (CommuniGate Pro SMTP 5.0c7) with ESMTP id 790583 for flyrotary@lancaironline.net; Thu, 27 Oct 2005 13:34:19 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.68; envelope-from=13brv3@bellsouth.net Received: from ibm62aec.bellsouth.net ([65.6.194.9]) by imf20aec.mail.bellsouth.net with ESMTP id <20051027173327.KWXZ20835.imf20aec.mail.bellsouth.net@ibm62aec.bellsouth.net> for ; Thu, 27 Oct 2005 13:33:27 -0400 Received: from rd ([65.6.194.9]) by ibm62aec.bellsouth.net with ESMTP id <20051027173326.RCAC12154.ibm62aec.bellsouth.net@rd> for ; Thu, 27 Oct 2005 13:33:26 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: socketless hose question for Lynn and Todd Date: Thu, 27 Oct 2005 12:33:26 -0500 Message-ID: <000401c5db1c$8a0ea530$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0005_01C5DAF2.A1389D30" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0005_01C5DAF2.A1389D30 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable My pump is much more powerfull (pulse wise) than the stock pump. It = buzzes loud enough to hear above the engine at idle (2,000 RPM). I was not = aware of the above warning. =20 =20 Thanks for the comments Lynn. One other question came to mind though. = I have a remote sump on the single rotor, so the line from the stock oil = pump will be "suction" to some extent. I believe you have a dry sump system, = so you probably have the same situation, only worse perhaps. Are you using these Aeroquip hoses for suction as well? =20 =20 The spec for suction service on a -12 size is 18" of vacuum. In a quick search, I wasn't able to find a spec for normal AE601/701 high pressure hose. Maybe it's the same. I'm not quite as worried about this, since = the head pressure will be about the same as if the engine had a normal pan, = and I'll run it plenty on the ground to make sure it's OK. =20 =20 Rusty =20 ------=_NextPart_000_0005_01C5DAF2.A1389D30 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
My pump is much more powerfull (pulse wise) than the stock pump. It = buzzes=20 loud enough to hear above the engine at idle (2,000 RPM). I was not = aware of the=20 above warning.
 
 
Thanks for the=20 comments Lynn.  One other question came to mind though.  I = have a=20 remote sump on the single rotor, so the line from the stock oil pump = will=20 be "suction" to some extent.  I believe you have a dry = sump=20 system, so you probably have the same situation, only worse = perhaps.  Are=20 you using these Aeroquip hoses for suction as=20 well?  
 
The = spec=20 for suction service on a -12 size is 18" of vacuum.  In a = quick=20 search, I wasn't able to find a spec for normal AE601/701 high pressure=20 hose.  Maybe it's the same.  I'm not quite as worried about = this,=20 since the head pressure will be about the same as if the engine had a=20 normal pan, and I'll run it plenty on the ground to make sure it's=20 OK.  
 
Rusty
 
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