X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120] verified) by logan.com (CommuniGate Pro SMTP 5.3c2) with ESMTP id 3984344 for flyrotary@lancaironline.net; Fri, 20 Nov 2009 23:36:24 -0500 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.120; envelope-from=eanderson@carolina.rr.com Received: from computername ([75.191.186.236]) by cdptpa-omta01.mail.rr.com with ESMTP id <20091121043550223.LLGQ2218@cdptpa-omta01.mail.rr.com> for ; Sat, 21 Nov 2009 04:35:50 +0000 From: "Ed Anderson" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Oil Pressure Date: Fri, 20 Nov 2009 23:35:53 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000F_01CA6A3A.33EF7920" X-Mailer: Microsoft Office Outlook, Build 11.0.5510 Thread-Index: AcpqTeWRJrp27IC8QB6SnMTfz5v1HgAFQMRQ In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 Message-Id: <20091121043550223.LLGQ2218@cdptpa-omta01.mail.rr.com> This is a multi-part message in MIME format. ------=_NextPart_000_000F_01CA6A3A.33EF7920 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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. 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. Needless to say, glad you made it down to the lake safely and both you and the aircraft will fly again. Welcome to the club {:>) Ed. Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com http://www.andersonee.com http://www.dmack.net/mazda/index.html http://www.flyrotary.com/ http://members.cox.net/rogersda/rotary/configs.htm#N494BW http://www.rotaryaviation.com/Rotorhead%20Truth.htm _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Dennis Haverlah Sent: Friday, November 20, 2009 8:56 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Oil Pressure Engine monitors with a low oil pressure warning should be in every airplane!! This could save an engine and give you an early warning so you could have some engine power left if needed. Dennis Hl Bob White wrote: Hi Rino, I can't add any advice on engine damage, besides Lynn is by far the expert. I am glad you got it down OK. I would be interested in what type of hose you were using, what contributed to the failure, and where exactly the failure occurred. Thanks, Bob W. On Fri, 20 Nov 2009 21:14:33 -0400 "Rino" wrote: Thanks Lynn, I have rebuilt two 13bs before, this one is a Renesis. I do not fly in the winter so this is going to keep me busy for a while. Rino ----- Original Message ----- From: Lynn Hanover To: Rotary motors in aircraft Sent: Friday, November 20, 2009 8:47 PM Subject: [FlyRotary] Oil Pressure I did a dead stick landing yesterday on a nearby lake because of a busted oil hose. Lost the oil pressure and lost the oil. The engine stopped, so I do not know how long it ran without oil prsssure. What should I look for to see if any damage was done to the engine and to the redrive? I fixed the hose, refilled the oil and flew back to the airport. The engine develop full power and run smooth. Turning the prop by hand I get compression on all lobes. Going to replace all oil hoses! Rino You must assume that it quit because the rotors were draging on the irons because the rotors overheated and got to be too long for the space. And, or, the bearings began welding themselves to the crank. Take it all apart. No matter who says what. Take it apart. Rebuild the reduction unit. Replace everything. Even if there is nothing in the pan, and nothing in the filter. If you have never done it before, it is easy. Puting back together is only a bit more difficult. Buy the overhaul disc or tape from Tracy. Where are you located? Lynn E. Hanover __________ Information from ESET NOD32 Antivirus, version of virus signature database 3267 (20080714) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com ------=_NextPart_000_000F_01CA6A3A.33EF7920 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

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.

 

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.

 

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

 

Welcome to the club = {:>)

 

Ed.  =

From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Dennis Haverlah
Sent: Friday, November = 20, 2009 8:56 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Oil Pressure

 

Engine monitors with a low oil pressure = warning should be in every airplane!!
This could save an engine and give you an early warning so you could = have some engine power left if needed.

Dennis Hl

Bob White wrote:

Hi =
Rino,
 
I can't add any advice on engine damage, =
besides Lynn is by far =
the
expert.  I am glad you got it down =
OK.  
 
I would be interested in what type of hose =
you were using, what
contributed to the failure, and where exactly =
the failure occurred.
 
Thanks,
Bob =
W.
 
 
On Fri, 20 Nov 2009 21:14:33 =
-0400
"Rino" <lacombr@nbnet.nb.ca> =
wrote:
 
  
Thanks Lynn,
 
I have rebuilt two 13bs before, this one is a =
Renesis.  I do not fly in the winter so this is going to keep me =
busy for a while.
 
Rino
  ----- Original Message ----- =

  From: Lynn Hanover =

  To: Rotary motors in aircraft =

  Sent: Friday, November 20, 2009 =
8:47 PM
  Subject: [FlyRotary] Oil =
Pressure
 
 
  I did a dead stick landing yesterday =
on a nearby lake because of a busted =

  oil hose.  Lost the oil =
pressure and lost the oil.   The engine stopped, so =

  I do not know how long it ran =
without oil prsssure.    What should I  look =

  for to see if any damage was done =
to the engine and to the =
redrive?
 
  I fixed the hose, refilled the oil and =
flew back to the airport.
  The engine develop full power and run =
smooth.
  Turning the prop by hand I get =
compression on all lobes.
 
  Going to replace all oil =
hoses!
 
  Rino =

 
  You must assume that it quit because =
the rotors were draging on the irons because the rotors overheated and =
got to be too long for the space. =

 
  And, or, the bearings began welding =
themselves to the crank. 
 
  Take it all apart. No matter who says =
what. Take it apart. Rebuild the reduction unit. Replace everything. =

 
  Even if there is nothing in the pan, =
and nothing in the filter.
 
  If you have never done it before, it =
is easy. Puting back together is only a bit more difficult. Buy the =
overhaul disc or tape from Tracy.
<= pre> 
  Where are you =
located?
 
  Lynn E. Hanover  =

    
 
 
 



__________ Information from ESET NOD32 Antivirus, version of virus = signature database 3267 (20080714) __________

The message was checked by ESET NOD32 Antivirus.

http://www.eset.com

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