X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [66.219.56.245] (HELO mail.qnsi.net) by logan.com (CommuniGate Pro SMTP 5.3c1) with ESMTP id 3951738 for flyrotary@lancaironline.net; Fri, 06 Nov 2009 20:01:47 -0500 Received-SPF: none receiver=logan.com; client-ip=66.219.56.245; envelope-from=bhughes@qnsi.net Return-Receipt-To: "Bobby J. Hughes" MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01CA5F46.5C4A89FE" Subject: RE: [FlyRotary] Re: Oil Pressure Disposition-Notification-To: "Bobby J. Hughes" Content-class: urn:content-classes:message X-MimeOLE: Produced By Microsoft Exchange V6.5 Date: Fri, 6 Nov 2009 19:05:12 -0600 Message-ID: <74120FDE88CAFE4DBDA8814BCE20A3F315EE7C@qnsi-mail.qnsi.net> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: Oil Pressure Thread-Index: AcpfQ0n3aFl/NtwaSVKYc/y9csAcpQAAjjkg References: From: "Bobby J. Hughes" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01CA5F46.5C4A89FE Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Yep. Bruce T made the modification at my request.=20 =20 Thanks Kelly. =20 =20 Bobby =20 =20 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Kelly Troyer Sent: Friday, November 06, 2009 6:38 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Oil Pressure Bobby, Did you change the ball and springs for fixed jets in your eccentric shaft ??..........This mod=20 can cause idle oil pressure to be low.............Especially when oil is hot.............. -- Kelly Troyer=20 "Dyke Delta"_13B ROTARY Engine=20 "RWS"_RD1C/EC2/EM2=20 "Mistral"_Backplate/Oil Manifold=20 =20 -------------- Original message from "Bobby J. Hughes" : --------------=20 =09 =09 Can anyone tell me why my oil pressure drops to 26 psi at idle \ 1500 rpm after oil temps reach 150F+? Oil pressure at start up is around 65 psi measured at the oil pad block. As the oil heats up the pressure slowly drops to around 56 psi. At some point with oil at 150-165F I can pull the throttle and pressure goes to between 32 and 26 psi. Dennis H and I compared oil pressure on his Renesis under the same conditions today and his pressure never dropped under 72 psi. Highest pressure was a little over 80 psi. My cruise oil pressure is about 56 psi. The Renesis manual shows 50.8 psi at 3000 rpm \ 212F oil temp. His engine may be a 2005 and mine is a 2004. I also have a oil to water exchanger and he has the stock oil RX7 oil cooler. =20 =20 =20 Bobby J Hughes RV10 Super Renesis =20 =20 ------_=_NextPart_001_01CA5F46.5C4A89FE Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Yep. Bruce T made the modification at my=20 request.

Thanks Kelly. =

Bobby

From: Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] On Behalf Of Kelly=20 Troyer
Sent: Friday, November 06, 2009 6:38 PM
To: = Rotary=20 motors in aircraft
Subject: [FlyRotary] Re: Oil=20 Pressure

Bobby,

Did you change the ball and springs for fixed jets in = your=20 eccentric shaft ??..........This mod

can cause idle oil pressure to be low.............Especially when = oil is=20 hot..............

--
Kelly Troyer
"Dyke = Delta"_13B ROTARY=20 Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifold=20

--------------=20 Original message from "Bobby J. Hughes" <bhughes@qnsi.net>:=20 --------------

Can = anyone tell me=20 why my oil pressure drops to 26 psi at idle \ 1500 rpm after oil temps = reach=20 150F+? Oil pressure at start up is around 65 psi measured at the oil = pad=20 block. As the oil heats up the pressure slowly drops to around 56 = psi. At=20 some point with oil at 150-165F I can pull the throttle and pressure = goes to=20 between 32 and 26 psi. Dennis H and I compared oil pressure on = his=20 Renesis under the same conditions today and his pressure never dropped = under=20 72 psi. Highest pressure was a little over 80 psi. My cruise oil = pressure=20 is about 56 psi. The Renesis manual shows 50.8 psi at 3000 rpm \ = 212F oil=20 temp. His engine may be a 2005 and mine is a 2004. I also have a = oil to=20 water exchanger and he has the stock oil RX7 oil cooler. =20

Bobby = J=20 Hughes

RV10 Super = Renesis

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