X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.4.51.80] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 988988 for flyrotary@lancaironline.net; Wed, 08 Jun 2005 17:00:45 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.4.51.80; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Wed, 8 Jun 2005 13:59:58 -0700 Message-ID: Received: from 64.4.51.220 by BAY107-DAV8.phx.gbl with DAV; Wed, 08 Jun 2005 20:59:57 +0000 X-Originating-IP: [64.4.51.220] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: coolant leak Date: Wed, 8 Jun 2005 16:59:46 -0400 MIME-Version: 1.0 Content-Type: multipart/related; type="multipart/alternative"; boundary="----=_NextPart_000_0147_01C56C4B.7951D400" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 Seal-Send-Time: Wed, 8 Jun 2005 16:59:46 -0400 X-MimeOLE: Produced By MSN MimeOLE V9.10.0011.1703 X-OriginalArrivalTime: 08 Jun 2005 20:59:58.0334 (UTC) FILETIME=[078551E0:01C56C6D] This is a multi-part message in MIME format. ------=_NextPart_000_0147_01C56C4B.7951D400 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0148_01C56C4B.7951D400" ------=_NextPart_001_0148_01C56C4B.7951D400 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Yes they are.=20 I know about Ed's remark about them looking too small but we've sold = over a thousand of these O-ring kits and never had a problem there. A = LOT of work went into specifying and sourcing them. They are custom = rings designed specifically for this application, not McMaster Carr = parts. The McMaster TES rings are close but slightly too large = (diameter) when at the high end of spec. They caused O-ring wall = failure in several engines. Tracy (love the Mazda SUV - Zoom - Zoom!) 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 =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 -------------------------------------------------------------------------= --- =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" = > 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 -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_001_0148_01C56C4B.7951D400 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Yes they are. 
 
 I know about Ed's remark about them looking too small but = we've sold=20 over a thousand of these O-ring kits and never had a problem = there.  A LOT=20 of work went into specifying and sourcing them.  They are custom = rings=20 designed specifically for this application, not McMaster Carr = parts. =20 The McMaster TES rings are close but slightly too large = (diameter) when at=20 the high end of spec.  They caused O-ring wall failure in several=20 engines.
 
Tracy (love the Mazda SUV - Zoom - Zoom!)

Are these = TES=20 o-rings? 

 

Mark=20 S.

 

From: Rotary=20 motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bob = Perkinson
Sent: Wednesday, June 08, 2005 = 1:28=20 PM
To: Rotary = motors in=20 aircraft
Subject: = [FlyRotary]=20 Re: coolant leak

 

Take a look = at the=20 picture of the month on Tracy's web site.  That is a = picture of=20 the coolant spouting from Ed's engine when it was dead cold.  = When he=20 lifted the pressure relief lever on the coolant cap, it pressurized = the=20 overflow tank.  He knew then that there might be a problem.  = His=20 First thought was that the diameter of the O ring's that came in the = overhaul=20 kit  might have been a little small.  I guess we will hear = exactly=20 what the problem was when he gets the engine=20 open.

 

Bob=20 Perkinson
Hendersonville, TN.
RV9A N658RP Reserved
If = nothing=20 changes
Nothing changes
 


 

Since Ed = is having=20 to remove and disassemble the engine, I would guess it=92s the = coolant=20 o-rings.  It will be interesting to hear how he discovered the=20 leak.  For the benefit of the newbies on the group, we = typically=20 monitor coolant pressure for signs of leaks.  I=92ve also = installed a=20 coolant level sensor in my purge tank that should provide an advance = warning=20 of low coolant level. 

 

Mark=20 S.

 

 

If you = guys can=20 humor me, what's the nature of that coolant leak? Is that the cover = that=20 tends to gradually degrade? Is there any chance to sense that = failure before=20 it gets significant? Like, do you experience fluid level change = gradually?=20 Pressure change? How bout Post shut down change in pressure? Know = what I=20 mean? Time vs pressure after = shutdown?

 

Clueless=20 al

 

 

 

 

 

 

On = Tue, 7 Jun=20 2005 22:31:39 -0400 "jesse farr" <jesse@jessfarr.com>=20 writes:

----- Original=20 Message ----- From: Tracy Crook=20

 

HI=20 everybody  - this is Laura Crook.  I am sure you've = all heard=20 that Ed Anderson had another "event" - this time in LA while = visiting=20 family.  He actually has two issues - one is the his brakes = caught=20 on fire  -not rotary related 3D"Smiley and = the  other is=20 that he has an internal coolant leak.  So.... he has to = remove and=20 overhaul the engine again.

 

Since he=20 is not near home he has no access to his documentation.  He = wrote=20 to me and asked me to post a notice to the list regarding the=20 overhaul notes that he developed and posted to his = newsgroup a few=20 months ago.  He thinks that a few people down loaded it and = one may=20 even be in .pdf format.

 

He=20 REALLY needs somebody to email a copy of his overhaul notes = to the=20 following email address:

 

kinderbac@yahoo.com=

 


-al=20 wick
Artificial intelligence in cockpit, Cozy IV powered by stock = Subaru=20 2.5
N9032U 200+ hours on engine/airframe from Portland, Oregon
Prop construct, Subaru = install,=20 Risk assessment, Glass panel design=20 = info:
http://www.maddyhome.com/canardpages/pages/alwick/index.html

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