Return-Path: Received: from fed1rmmtao12.cox.net ([68.230.241.27] verified) by logan.com (CommuniGate Pro SMTP 4.2b2) with ESMTP id 3177166 for flyrotary@lancaironline.net; Sun, 18 Apr 2004 11:06:09 -0400 Received: from Leonards ([68.111.224.107]) by fed1rmmtao12.cox.net (InterMail vM.6.01.03.02 201-2131-111-104-20040324) with ESMTP id <20040418150600.HMTE17437.fed1rmmtao12.cox.net@Leonards> for ; Sun, 18 Apr 2004 11:06:00 -0400 From: "David Leonard" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Cooling Problem Identified Date: Sun, 18 Apr 2004 08:06:32 -0700 Message-ID: <000d01c42556$bca06560$6be06f44@Leonards> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000E_01C4251C.10418D60" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.3416 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_000E_01C4251C.10418D60 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit And I suggest that even using that drain plug is not enough. For this tear-down I used that drain until it wouldn't drain anymore. Then I still got out copious amounts of coolant at various stages of disassembly. I am not sure what the best procedure is. David Leonard The Rotary Roster: http://members.aol.com/_ht_a/rotaryroster/index.html This must be the ultimate "good news, bad news" message. I'm really sorry to hear about the problem, but at least the mystery is solved. Rust has been a problem for a few people, and Finn recently posted a message about the rust he found in his junk yard engine. I also had similar rust in my "new" engine that came from the RX-7 Specialties generator engine batch. The problem is that someone ran the engine, then drained the coolant by disconnecting the hoses. Obviously, this doesn't drain the lower half of the engine. The answer is to use the block drain at the bottom of the center housing on the plug side. If anyone has an engine sitting around in storage, I'd recommend opening that drain to see what comes out. Rusty (81 in Cleveland today) ------=_NextPart_000_000E_01C4251C.10418D60 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

And I suggest that even using that = drain plug is not enough. For this tear-down I used that drain until it = wouldn’t drain anymore. Then I still got out copious amounts of coolant at = various stages of disassembly. I am not sure what the best procedure = is.

David Leonard

The Rotary = Roster:

http://memb= ers.aol.com/_ht_a/rotaryroster/index.html

This must be the ultimate = "good news, bad news" message. I'm really sorry to hear about the = problem, but at least the mystery is solved.

Rust has been a problem for a few = people, and Finn recently posted a message about the rust he found in his junk = yard engine. I also had similar rust in my "new" engine that = came from the RX-7 Specialties generator engine batch. The problem = is that someone ran the engine, then drained the coolant by disconnecting = the hoses. Obviously, this doesn't drain the lower half of the = engine. The answer is to use the block drain at the bottom of the center housing = on the plug side. If anyone has an engine sitting around in storage, I'd recommend opening that drain to see what comes = out.

Rusty (81 in Cleveland = today)

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