Return-Path: <13brv3@bellsouth.net> Received: from imf20aec.mail.bellsouth.net ([205.152.59.68] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 2903198 for flyrotary@lancaironline.net; Tue, 23 Dec 2003 21:31:27 -0500 Received: from rad ([68.212.14.235]) by imf20aec.mail.bellsouth.net (InterMail vM.5.01.06.05 201-253-122-130-105-20030824) with ESMTP id <20031224023126.OAJI1881.imf20aec.mail.bellsouth.net@rad> for ; Tue, 23 Dec 2003 21:31:26 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] A little more help, please Date: Tue, 23 Dec 2003 20:31:28 -0600 Message-ID: <038f01c3c9c6$090c8970$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0390_01C3C993.BE721970" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 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_0390_01C3C993.BE721970 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Any idea what this hole is/was for? (obviously water, but to where might = it have gone.....heater core)?=20 =20 Yep, heater core. =20 =20 Lastly, to plug this hole, should I attempt to tap it with a NPT = tap, or is there something that is a press fit that I should purchase to plug = this hole? =20 =20 Normally, there's a steel hose barb that's press fit into the housing. = I just looked at the Mazda parts list, and didn't see a part number for = it. I don't know if you could find an appropriate sized pipe to drive into the hole, and if you could trust it if you did. I've always wondered if = those pres-fit items could be replaced, particularly since my (formerly) junk engine's heater pipe is rusted severely. =20 =20 If you don't plan to use it for the heater, then you might be able to = find an appropriate sized freeze plug. They also make the removable rubber freeze plugs, that you expand by tightening a bolt. That might not give = you the appropriate warm fuzzy feeling in a plane though. If it happens to = be close to the right size for an NPT tap, that would work too. I think = you have some room to stuff something in there to catch the chips. =20 =20 Rusty (lots of typing, but not much help) =20 ------=_NextPart_000_0390_01C3C993.BE721970 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message
Any idea what this hole is/was for? = (obviously=20 water, but to where might it have gone.....heater core)? 
 
Yep,=20 heater core. 
 
    Lastly, to plug = this hole,=20 should I attempt to tap it with a NPT tap, or is there something that is = a press=20 fit that I should purchase to plug this hole?    
 
Normally, there's a steel hose barb = that's press=20 fit into the housing.  I just looked at the Mazda parts list, = and=20 didn't see a part number for it.  I don't know if you could find an = appropriate sized pipe to drive into the hole, and if you could trust it = if you=20 did.  I've always wondered if those pres-fit items could be = replaced,=20 particularly since my (formerly) junk engine's heater pipe is rusted=20 severely. 
 
If you don't plan to use it for the heater, = then you might=20 be able to find an appropriate sized freeze plug.  They = also make=20 the removable rubber freeze plugs, that you expand by tightening a = bolt. =20 That might not give you the appropriate warm fuzzy feeling in a = plane=20 though.  If it happens to be close to the right size for an = NPT tap,=20 that would work too.  I think you have some room to stuff = something in=20 there to catch = the chips.  
 
Rusty  (lots of typing, but not much=20 help)  
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