X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from QMTA10.emeryville.ca.mail.comcast.net ([76.96.30.17] verified) by logan.com (CommuniGate Pro SMTP 5.2.12) with ESMTP id 3483737 for flyrotary@lancaironline.net; Mon, 09 Feb 2009 07:37:58 -0500 Received-SPF: pass receiver=logan.com; client-ip=76.96.30.17; envelope-from=wschertz@comcast.net Received: from OMTA09.emeryville.ca.mail.comcast.net ([76.96.30.20]) by QMTA10.emeryville.ca.mail.comcast.net with comcast id DoYY1b00G0S2fkCAAodPFT; Mon, 09 Feb 2009 12:37:23 +0000 Received: from WschertzPC ([71.57.77.95]) by OMTA09.emeryville.ca.mail.comcast.net with comcast id DodN1b00123NHuF8VodNaa; Mon, 09 Feb 2009 12:37:23 +0000 Message-ID: From: "Bill Schertz" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: NEW failure mode for 13B Date: Mon, 9 Feb 2009 06:37:20 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0033_01C98A80.DBCF1B40" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6001.18000 x-mimeole: Produced By Microsoft MimeOLE V6.0.6001.18049 This is a multi-part message in MIME format. ------=_NextPart_000_0033_01C98A80.DBCF1B40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I think EG mixtures can burn, but less likely. The fiberglass ignited = near the place the exhaust pipe goes out. Will require some repair work. Bill Schertz KIS Cruiser #4045 N343BS ----- Original Message -----=20 From: George Lendich=20 To: Rotary motors in aircraft=20 Sent: Sunday, February 08, 2009 11:33 PM Subject: [FlyRotary] Re: NEW failure mode for 13B Bill, Not the Kiss - I didn't think coolant burned!? George (down under) ----- Original Message -----=20 From: Bill Schertz=20 To: Rotary motors in aircraft=20 Sent: Monday, February 09, 2009 9:30 AM Subject: [FlyRotary] NEW failure mode for 13B Well, I haven't heard of this happening before -- I was ground = running my engine to tune it with the EM-2 and EC-2. Ran for almost an = hour, at various rpm's to change the manifold pressure and tweak the = settings. Cooling working well, I had the top cowling off to allow good = exit area since I was tied down. Coolant pressure about 14 psi as = reported on the EM-2. Engine was running good, took it up to ~6000 rpm swinging a 76x76 = Catto prop, when suddenly there was steam and fluid on my windshield. = Shut it down by killing power to the EC-2. Coolant everywhere. Got out and looked to diagnose the problem -- NOT my plumbing. A = FREEZE PLUG in the iron housing had blown out. Rapid coolant dump. Secondary effect -- Since I shut down suddenly from full tilt, = either the proximity of the cowl to the exhaust, or possibly some of the = coolant on the exhaust started a small fire on my cowl. Put it out with = extinguisher, but corner is charred. Bill Schertz KIS Cruiser #4045 N343BS Now in repair mode. ------=_NextPart_000_0033_01C98A80.DBCF1B40 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
I think EG mixtures can burn, but less = likely. The=20 fiberglass ignited near the place the exhaust pipe goes out. Will = require some=20 repair work.
Bill Schertz
KIS Cruiser #4045
N343BS
----- Original Message -----
From:=20 George=20 Lendich
Sent: Sunday, February 08, 2009 = 11:33=20 PM
Subject: [FlyRotary] Re: NEW = failure mode=20 for 13B

Bill,
Not the Kiss - I didn't think coolant = burned!?
George (down under)
----- Original Message -----
From:=20 Bill=20 Schertz
To: Rotary motors in = aircraft=20
Sent: Monday, February 09, = 2009 9:30=20 AM
Subject: [FlyRotary] NEW = failure mode=20 for 13B

Well, I haven't heard of this = happening before=20 -- I was ground running my engine to  tune it with the EM-2 and = EC-2.  Ran for almost an hour, at various rpm's to change the = manifold=20 pressure and tweak the settings. Cooling working well, I had the top = cowling=20 off to allow good exit area since I was tied down. Coolant pressure = about 14=20 psi as reported on the EM-2.
 
Engine was running good, took it up = to ~6000=20 rpm swinging a 76x76 Catto prop, when suddenly there was steam and = fluid on=20 my windshield. Shut it down by killing power to the EC-2. Coolant=20 everywhere.
 
Got out and looked to diagnose the = problem --=20 NOT my plumbing.  A FREEZE PLUG in the iron housing had blown = out.=20 Rapid coolant dump.
 
Secondary effect -- Since I shut = down suddenly=20 from full tilt, either the proximity of the cowl to the exhaust, or = possibly=20 some of the coolant on the exhaust started a small fire on my cowl. = Put it=20 out with extinguisher, but corner is charred.
 
 
Bill Schertz
KIS Cruiser=20 #4045
N343BS
Now in repair mode.
 
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