Return-Path: Received: from fed1mtao05.cox.net ([68.6.19.126] verified) by logan.com (CommuniGate Pro SMTP 4.1.3) with ESMTP id 2571881 for flyrotary@lancaironline.net; Mon, 08 Sep 2003 09:39:43 -0400 Received: from BigAl ([68.107.116.221]) by fed1mtao05.cox.net (InterMail vM.5.01.06.04 201-253-122-130-104-20030726) with ESMTP id <20030908133937.EHNX1408.fed1mtao05.cox.net@BigAl> for ; Mon, 8 Sep 2003 09:39:37 -0400 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Howe "oil heat exchanger"- what a joke Date: Mon, 8 Sep 2003 06:39:47 -0700 Message-ID: <000001c3760e$ab7272d0$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C375D3.FF139AD0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4024 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C375D3.FF139AD0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Anyone remember who made the oil coolers that caused the inflight fires on the 20b pusher? Barny They were supplied by Griffin but were made by an outside vendor for some stock application. My opinion is that the failures were larger a problem with the installation. Because of pressure drops in the loop, the cooler was seeing max pump output pressure, and unsupported line to the cooler could have caused fatigue failure due to vibration. I have a custom cooler made by Griffin that is very robust and well built. I also have a custom radiator from Griffin; also appears to be top quality. Neither of these has flown yet. Al ------=_NextPart_000_0001_01C375D3.FF139AD0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
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Anyone remember who made = the oil coolers that caused the inflight fires on the 20b = pusher?

 

Barny

 

They were supplied by Griffin<= /font> but were made by an outside vendor for some stock application.  My opinion is that the failures were larger a problem = with the installation.  Because of pressure drops in the loop, the = cooler was seeing max pump output pressure, and unsupported line to the cooler = could have caused fatigue failure due to vibration.

I have a custom cooler made by Griffin<= /font> that is very robust and well built.  I also have a = custom radiator from Griffin<= /font>; also appears to be top quality.  Neither of these has = flown yet.

Al

 

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