Return-Path: Received: from imf24aec.mail.bellsouth.net ([205.152.59.72] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 592885 for flyrotary@lancaironline.net; Wed, 05 Jan 2005 21:45:22 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.72; envelope-from=atlasyts@bellsouth.net Received: from [68.215.126.112] by imf24aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050106024448.TKRE2032.imf24aec.mail.bellsouth.net@[68.215.126.112]> for ; Wed, 5 Jan 2005 21:44:48 -0500 User-Agent: Microsoft-Entourage/10.1.4.030702.0 Date: Wed, 05 Jan 2005 21:44:45 -0500 Subject: Re: [FlyRotary] Acceptable oil pressure From: Bulent Aliev To: Rotary motors in aircraft Message-ID: In-Reply-To: Mime-version: 1.0 Content-type: multipart/alternative; boundary="B_3187806289_1913503" > This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. --B_3187806289_1913503 Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit On 1/5/05 9:26 PM, "John Slade" wrote: > Leon and anyone else who cares to comment... > > The remaining question with my installation is whether the oil pressure is > acceptable, or whether something actually wrong. > Everything has been triple calibrated now, so I'm pretty sure of the following > readings..... > > Start-up at 70F ambient gets me 80 - 85PSI. Once the oil gets hot I'm seeing > about 15 or so at idle, 25 PSI at 2000 rpm, 45 PSI at 3500 rpm, and maybe 60 > PSI at 4000. Talking about today with Tracy he felt it was marginal, and was > wondering if this might be normal with a combination of a turbo and a redrive > both taking pressure. Other possible causes he suggested were Ed's spinning > shaft syndrome or air being sucked by a leaking oil pickup. > > I hate to remove the engine (again) to check these items. > > What do people think? Anything else I can check? > > John (no more soot on the prop) > Did you check the oil metering pump connection as we discussed at my hangar? Buly --B_3187806289_1913503 Content-type: text/html; charset="US-ASCII" Content-transfer-encoding: quoted-printable Re: [FlyRotary] Acceptable oil pressure On 1/5/05 9:26 PM, &quo= t;John Slade" <sladerj@bellsouth.net> wrote:

Leon and anyone else who cares to comment...
The remaining question with my installation is wh= ether the oil pressure is acceptable, or whether something actually wrong. Everything has been triple calibrated now, so I'm pretty sure of the follow= ing readings.....
Start-up at 70F ambient gets me 80 - 85PSI.  = ;Once the oil gets hot I'm seeing about 15 or so at idle, 25 PSI at 2000 rpm= , 45 PSI at 3500 rpm, and maybe 60 PSI at 4000.  Talking about today wi= th Tracy he felt it was marginal, and was wondering if this might be normal = with a combination of a turbo and a redrive both taking pressure.  Othe= r possible causes he suggested were Ed's spinning shaft syndrome or air bein= g sucked by a leaking oil pickup.

I hate to remove the engine (again) to check thes= e items.
What do people think? Anything else I can check?<= BR>
John (no more soot on the prop)


Did you check the oil metering pump connection as we discussed at my hangar= ?
Buly --B_3187806289_1913503--