X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [129.116.87.143] (HELO MAIL01.austin.utexas.edu) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 988723 for flyrotary@lancaironline.net; Wed, 08 Jun 2005 14:43:11 -0400 Received-SPF: none receiver=logan.com; client-ip=129.116.87.143; envelope-from=mark.steitle@austin.utexas.edu X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/related; type="multipart/alternative"; boundary="----_=_NextPart_001_01C56C59.D0825FF4" Subject: RE: [FlyRotary] Re: coolant leak Date: Wed, 8 Jun 2005 13:42:25 -0500 Message-ID: <87DBA06C9A5CB84B80439BA09D86E69E016C19CE@MAIL01.austin.utexas.edu> X-MS-Has-Attach: yes X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: coolant leak Thread-Index: AcVsV/NtQABN9q+hRlu9UT2W0A5DzwAAbqJw From: "Mark R Steitle" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01C56C59.D0825FF4 Content-Type: multipart/alternative; boundary="----_=_NextPart_002_01C56C59.D0825FF4" ------_=_NextPart_002_01C56C59.D0825FF4 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Are these TES o-rings? =20 =20 Mark S. =20 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bob Perkinson Sent: Wednesday, June 08, 2005 1:28 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: coolant leak =20 Take a look at the picture of the month on Tracy's web site. That is a picture of the coolant spouting from Ed's engine when it was dead cold. When he lifted the pressure relief lever on the coolant cap, it pressurized the overflow tank. He knew then that there might be a problem. His First thought was that the diameter of the O ring's that came in the overhaul kit might have been a little small. I guess we will hear exactly what the problem was when he gets the engine open. =20 Bob Perkinson Hendersonville, TN. RV9A N658RP Reserved If nothing changes Nothing changes =20 =09 =20 Since Ed is having to remove and disassemble the engine, I would guess it's the coolant o-rings. It will be interesting to hear how he discovered the leak. For the benefit of the newbies on the group, we typically monitor coolant pressure for signs of leaks. I've also installed a coolant level sensor in my purge tank that should provide an advance warning of low coolant level. =20 =20 Mark S. =20 =09 ________________________________ =20 If you guys can humor me, what's the nature of that coolant leak? Is that the cover that tends to gradually degrade? Is there any chance to sense that failure before it gets significant? Like, do you experience fluid level change gradually? Pressure change? How bout Post shut down change in pressure? Know what I mean? Time vs pressure after shutdown? =20 Clueless al =20 =20 =20 =20 =20 =20 On Tue, 7 Jun 2005 22:31:39 -0400 "jesse farr" < jesse@jessfarr.com> writes: ----- Original Message ----- From: Tracy Crook =20 =20 HI everybody - this is Laura Crook. I am sure you've all heard that Ed Anderson had another "event" - this time in LA while visiting family. He actually has two issues - one is the his brakes caught on fire -not rotary related and the other is that he has an internal coolant leak. So.... he has to remove and overhaul the engine again.=20 =20 Since he is not near home he has no access to his documentation. He wrote to me and asked me to post a notice to the list regarding the overhaul notes that he developed and posted to his newsgroup a few months ago. He thinks that a few people down loaded it and one may even be in .pdf format. =20 He REALLY needs somebody to email a copy of his overhaul notes to the following email address: =20 kinderbac@yahoo.com =20 =09 -al wick Artificial intelligence in cockpit, Cozy IV powered by stock Subaru 2.5 N9032U 200+ hours on engine/airframe from Portland, Oregon Prop construct, Subaru install, Risk assessment, Glass panel design info: http://www.maddyhome.com/canardpages/pages/alwick/index.html ------_=_NextPart_002_01C56C59.D0825FF4 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Are these TES o-rings?  =

 

Mark = S.

 


From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bob Perkinson
Sent: Wednesday, June 08, = 2005 1:28 PM
To: Rotary motors in = aircraft
Subject: [FlyRotary] Re: = coolant leak

 

Take a look at the picture of the = month on Tracy's web site.  That is a picture of the coolant spouting from Ed's engine = when it was dead cold.  When he lifted the pressure relief lever on the = coolant cap, it pressurized the overflow tank.  He knew then that there = might be a problem.  His First thought was that the diameter of the O ring's = that came in the overhaul kit  might have been a little small.  I = guess we will hear exactly what the problem was when he gets the engine = open.

 

Bob Perkinson
Hendersonville, = TN.
RV9A N658RP Reserved
If nothing changes
Nothing changes
 


 

Since Ed is having to remove and disassemble the engine, I would guess it’s the coolant = o-rings.  It will be interesting to hear how he discovered the leak.  For the = benefit of the newbies on the group, we typically monitor coolant pressure for = signs of leaks.  I’ve also installed a coolant level sensor in my = purge tank that should provide an advance warning of low coolant level.  =

 

Mark = S.

 


 

If you guys = can humor me, what's the nature of that coolant leak? Is that the cover that tends = to gradually degrade? Is there any chance to sense that failure before it = gets significant? Like, do you experience fluid level change gradually? = Pressure change? How bout Post shut down change in pressure? Know what I mean? = Time vs pressure after shutdown?

 

Clueless = al

 

 

 

 

 

 

On Tue, 7 Jun = 2005 22:31:39 -0400 "jesse farr" <jesse@jessfarr.com> writes:

----- Original Message ----- = From: Tracy Crook

 

HI everybody  - this is = Laura Crook.  I am sure you've all heard that Ed Anderson had another "event" - this time in LA while visiting family.  He = actually has two issues - one is the his brakes caught on fire  -not rotary = related 3D"Smiley and the  other is that he = has an internal coolant leak.  So.... he has to remove and overhaul the = engine again.

&= nbsp;

Since he is not near home he = has no access to his documentation.  He wrote to me and asked me to post a = notice to the list regarding the overhaul notes that he developed and = posted to his newsgroup a few months ago.  He thinks that a few people down = loaded it and one may even be in .pdf format.

&= nbsp;

He REALLY needs somebody to = email a copy of his overhaul notes to the following email = address:

&= nbsp;

 


-al wick
Artificial intelligence in cockpit, Cozy IV powered by stock Subaru = 2.5
N9032U 200+ hours on engine/airframe from Portland, Oregon
Prop construct, Subaru install, Risk assessment, Glass panel design = info:
http://www.maddyhome.com/canardpages/pages/alwick/index.html

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