Return-Path: <13brv3@bellsouth.net> Received: from imf21aec.mail.bellsouth.net ([205.152.59.69] verified) by logan.com (CommuniGate Pro SMTP 4.2b1) with ESMTP id 3132306 for flyrotary@lancaironline.net; Sun, 28 Mar 2004 21:20:12 -0500 Received: from rad ([65.0.151.4]) by imf21aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040329022011.GEZX1763.imf21aec.mail.bellsouth.net@rad> for ; Sun, 28 Mar 2004 21:20:11 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] no coolant flow Date: Sun, 28 Mar 2004 20:22:12 -0600 Message-ID: <00c501c41534$a6c15fb0$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00C6_01C41502.5C26EFB0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_00C6_01C41502.5C26EFB0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable No coolant flow whatsoever, nada, zip (the system was verifiably full of coolant, the pump drive was turning. So its either a broken shaft (but = the pulley turns smoothly) or something really strange (like the wrong impeller). Unfortunately, since I have less than =BC inch clearance to = the firewall I really don=92t think there will be any way to get the = impeller off without removing the engine. Ahg. =20 David Leonard =20 =20 I feel your pain. I just went up in the attic to look at an old pump, = and from what I can see, there ain't much that can go wrong. I can think of = all kinds of bizarre possibilities (no impeller, wrong impeller, eroded impeller, impeller free wheeling on shaft, way too thick gasket between = pump and housing), but the common theme to all these possibilities is the = need to pull the pump. I sure wouldn't run the engine again until I looked at = this. =20 Sorry, Rusty (feeling better about installing an EWP in series with my stock = pump)=20 ------=_NextPart_000_00C6_01C41502.5C26EFB0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
No coolant = flow=20 whatsoever, nada, zip (the system was verifiably full of coolant, the = pump drive=20 was turning.  So its either a broken shaft (but the pulley turns = smoothly)=20 or something really strange (like the wrong impeller).  = Unfortunately,=20 since I have less than =BC inch clearance to the firewall I really = don’t think=20 there will be any way to get the impeller off without removing the = engine. =20 Ahg.

 

David=20 Leonard

 

 

I feel your = pain.  I=20 just went up in the attic to look at an old pump, and from what I can = see, there=20 ain't much that can go wrong.  I can think of all kinds of = bizarre=20 possibilities (no impeller, wrong impeller, eroded impeller,=20 impeller free wheeling on shaft, way too thick gasket between pump = and=20 housing), but the common theme to all these possibilities is the = need to=20 pull the pump.  I sure wouldn't run the engine again until I looked = at=20 this.  

 

Sorry,

Rusty (feeling better=20 about installing an EWP in series with my stock=20 pump) 

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