X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail04.syd.optusnet.com.au ([211.29.132.185] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTPS id 1135961 for flyrotary@lancaironline.net; Thu, 01 Jun 2006 03:03:47 -0400 Received-SPF: none receiver=logan.com; client-ip=211.29.132.185; envelope-from=lendich@optusnet.com.au Received: from george (d220-236-27-52.dsl.nsw.optusnet.com.au [220.236.27.52]) by mail04.syd.optusnet.com.au (8.12.11/8.12.11) with SMTP id k5172kgr025642 for ; Thu, 1 Jun 2006 17:02:52 +1000 Message-ID: <000601c6a0ca$416e3f60$341becdc@george> From: "george lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Status Update Date: Thu, 6 Jul 2006 16:21:57 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0021_01C6A118.4D6353C0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. ------=_NextPart_000_0021_01C6A118.4D6353C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Kelly, I'm not sure but I seem to remember that some take out that oil pressure = regulator, put it in a press and squish it some (end to end) which = compresses the spring accordingly - which results in more oil pressure. = I guess it takes longer for the spring to open. I'm unsure how this all = works perhaps someone can explain it better, then I will understand it = better. Perhaps this is a way to compensate for a weakened spring and low oil = pressure? George ( down under) Joe, Mistral does not use the front (in the car) regulator in their = backplate (although the current production backplate is still machined for it except the = opening to the front housing is left undrilled).........They cite that the regulator = spring breaks with some regularity as the reason.......They provide for overpressure in = their external oil filter housing........They drill out the brass plug in the front = housing and take the oil directly from the pump to this housing (as suggested by Lynn = in an earlier post).........The point of all this is a suggestion to check the front = regulator/spring for proper operation.........I am not sure what a broken spring would = do for oil pressure..........Lynn jump in here !! -- Kelly Troyer=20 Dyke Delta/13B/RD1C/EC2=20 -------------- Original message from Lehanover@aol.com: = --------------=20 In a message dated 5/31/2006 6:54:15 P.M. Eastern Daylight Time, = dale.r@cox.net writes: The bad news is that you'd be best off=20 with 70+ PSI at a mid-6000 RPM climb. IRRC, either Lynn or Leon=20 (maybe both?) recommended 10 PSI / 1000 RPM. Dale R. All rear relief valves through 92 open at 71.1 PSI. About 70 since = no gage can see it any better than that. The 93-95 Turbo is set at 110 PSI.=20 Your oil pressure sounds a little low. If you have a front regulator it should open at 115 to restrict = maximum pressure to the cooler. And where used, prevent popping out the iron to case "O" ring. Lynn E. Hanover ------=_NextPart_000_0021_01C6A118.4D6353C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Kelly,
I'm not sure but I seem to remember = that some take=20 out that oil pressure regulator, put it in a press and squish it some = (end to=20 end) which compresses the spring accordingly - = which results=20 in more oil pressure. I guess it takes longer for the spring  = to open.=20 I'm unsure how this all works perhaps someone can explain it better, = then I will=20 understand it better.
Perhaps this is a way to compensate for = a weakened=20 spring and low oil pressure?
George ( down under)
Joe,
  Mistral does not use the front (in the car) regulator in = their=20 backplate (although
the current production backplate is still machined for it except = the=20 opening to the
front housing is left undrilled).........They cite that the = regulator=20 spring breaks with
some regularity as the reason.......They provide for overpressure = in=20 their external
oil filter housing........They drill out the brass plug in the = front=20 housing and take
the oil directly from the pump to this housing (as suggested by = Lynn in=20 an earlier
post).........The point of all this is a suggestion to check the = front=20 regulator/spring
for proper operation.........I am not sure what a broken spring = would do=20 for oil
pressure..........Lynn jump in here !!
--
Kelly Troyer
Dyke Delta/13B/RD1C/EC2 =




--------------=20 Original message from Lehanover@aol.com: --------------

In a message dated 5/31/2006 6:54:15 P.M. Eastern Daylight = Time,=20 dale.r@cox.net writes:
The=20 bad news is that you'd be best off
with 70+ PSI at a mid-6000 = RPM=20 climb. IRRC, either Lynn or Leon
(maybe both?) recommended 10 = PSI /=20 1000 RPM.

Dale R.
All rear relief valves through 92 open at 71.1 PSI. About 70 = since no=20 gage can see it any better than that.
The 93-95 Turbo is set at 110 PSI.
 
Your oil pressure sounds a little low.
 
If you have a front regulator it should open at 115 to restrict = maximum=20 pressure to the cooler.
And where used, prevent popping out the iron to case "O" = ring.
 
 
Lynn E. Hanover
------=_NextPart_000_0021_01C6A118.4D6353C0--