X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from omta2.toronto.rmgopenwave.com ([4.59.182.100] verified) by logan.com (CommuniGate Pro SMTP 5.3c2) with ESMTP id 3984646 for flyrotary@lancaironline.net; Sat, 21 Nov 2009 09:05:16 -0500 Received-SPF: pass receiver=logan.com; client-ip=4.59.182.100; envelope-from=lacombr@nbnet.nb.ca Received: from torspm02.toronto.rmgopenwave.com ([142.167.65.219]) by tormtz02.toronto.rmgopenwave.com (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20091121140439.IULS24184.tormtz02.toronto.rmgopenwave.com@torspm02.toronto.rmgopenwave.com> for ; Sat, 21 Nov 2009 09:04:39 -0500 Received: from PCdeRita ([142.167.65.219]) by torspm02.toronto.rmgopenwave.com with SMTP id <20091121140439.FOVZ4776.torspm02.toronto.rmgopenwave.com@PCdeRita> for ; Sat, 21 Nov 2009 09:04:39 -0500 Message-ID: <159CC6046B8340EEA8AB872F0BA8FDD6@PCdeRita> From: "Rino" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: Oil Pressure Date: Sat, 21 Nov 2009 10:04:28 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0047_01CA6A92.0364D630" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18005 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18005 X-Opwv-CommTouchExtSvcRefID: str=0001.0A020201.4B07F377.0297,ss=1,fgs=0 This is a multi-part message in MIME format. ------=_NextPart_000_0047_01CA6A92.0364D630 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thanks for the response guys! It was an exiting day to say the least. At this time of the year there is not a single boat left on the lake so = it took some time before being rescued. The firemen came and pulled the = plane to a local marina where I cut the hose fixed it and took off = again. I knew that taking off again without checking the engine was = risky but I did not want to leave the plane along the lake for the = winter. I made it ok to the airport, about 10 minutes. The engine = turned by hand and had all the exhaust pulses and it did produced full = power as usual. It was a good takeoff, my first on the water. The oil hose broke at the fitting, (it kind of sheared and pulled out of = the fitting) a mechanic said the outer fitting ferrule might have been = pressed too much and had damaged the hose itself. In any case this is = not the type of hose that should be used on an aircraft. I had my douts = about this type of hose. Unfortunately, I was right. Now, there is another thing about this hose. It is not very far from the = exhaust stack (I will measure the distance). The other hose that = connect there is coverd with a fire sleeve, plus wrapped in foil, = because it is closer to the exhaust stack. I will have to check that = more closely. Did not think of this heat damage possibility before now. Yes the oil pressure warning LED will be there on the instrument panel = the next time the engine start. I have Tracy's EM2 and the pressure display flashes when it is low but = there is nothing like a flashing RED light to attract my attention. Quite a few lessons learned here and probably more are coming up! Back to the hangar! Rino ----- Original Message -----=20 From: Ed Anderson=20 To: Rotary motors in aircraft=20 Sent: Saturday, November 21, 2009 12:35 AM Subject: [FlyRotary] Re: Oil Pressure Great flying, Rino!! Dead stick landings (having made three in my = 10 years) always get my heart rate up a notch not to mention = disappearing seat cushions. Fortunately, the rotary has a lot of = bearing area and can survive longer without adequate oil pressure than = most engines - but, as Lynn said, tear it down, rebuild it and let us = know what you find. =20 I only use SS braided lines for oil, fuel AND coolant (I know a bit = anal on the coolant lines being capable of handling 750 psi of coolant = pressure), but I have never had a line break - yet. =20 Needless to say, glad you made it down to the lake safely and both you = and the aircraft will fly again. =20 Welcome to the club {:>) =20 Ed. =20 Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com ------=_NextPart_000_0047_01CA6A92.0364D630 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Thanks for the response = guys!
 
It was an exiting day to say the=20 least.
At this time of the year there is not a = single boat=20 left on the lake so it took some time before being rescued.  The = firemen=20 came and pulled the plane to a local marina where I cut the hose = fixed it=20 and took off again.  I knew that taking off again without checking = the=20 engine was risky but I did not want to leave the plane along the lake = for the=20 winter.  I made it ok to the airport, about 10 minutes.  The = engine=20 turned by hand and had all the exhaust pulses and it did produced full = power as=20 usual.   It was a good takeoff, my first on the = water.
 
The oil hose broke at the fitting, (it = kind of=20 sheared and pulled out of the fitting) a mechanic said the outer fitting = ferrule=20 might have been pressed too much and had damaged the hose = itself.   In=20 any case this is not the type of hose that should be used on an = aircraft. =20 I had my douts about this type of hose.  Unfortunately, I was=20 right.
 
Now, there is another thing about this = hose. It is=20 not very far from the exhaust stack (I will measure the distance).  = The=20 other hose that connect there is coverd with a fire sleeve, plus wrapped = in=20 foil, because it is closer to the exhaust stack.  I will have = to check=20 that more closely.  Did not think of this heat damage possibility = before=20 now.
 
Yes the oil pressure warning LED will = be there on=20 the instrument panel the next time the engine start.
I have Tracy's EM2 and the pressure = display flashes=20 when it is low but there is nothing like a flashing RED light to attract = my=20 attention.
 
Quite a few lessons learned here and = probably more=20 are coming up!
Back to the hangar!
 
Rino
 
----- Original Message -----
From:=20 Ed=20 Anderson
Sent: Saturday, November 21, = 2009 12:35=20 AM
Subject: [FlyRotary] Re: Oil=20 Pressure

Great = flying,=20 Rino!!    Dead stick landings (having made three in my = 10=20 years) always get my heart rate up a notch not to mention disappearing = seat=20 cushions.  Fortunately, the rotary has a lot of bearing area and = can=20 survive longer without adequate oil pressure than most engines =96 = but, as=20 Lynn said,=20 tear it down, rebuild it and let us know what you=20 find.

 

I only use = SS braided=20 lines for oil, fuel AND coolant (I know a bit anal on the coolant = lines being=20 capable of handling 750 psi of coolant pressure), but I have never had = a line=20 break =96 yet.

 

Needless to = say, glad=20 you made it down to the lake safely and both you and the aircraft will = fly=20 again.

 

Welcome to = the club=20 {:>)

 

Ed. =20

Ed=20 Anderson

Rv-6A N494BW=20 Rotary Powered

Matthews,=20 NC

eanderson@carolina.rr.com

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