Return-Path: <13brv3@bellsouth.net> Received: from imf19aec.mail.bellsouth.net ([205.152.59.67] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 2921217 for flyrotary@lancaironline.net; Wed, 07 Jan 2004 10:52:30 -0500 Received: from rad ([68.155.99.73]) by imf19aec.mail.bellsouth.net (InterMail vM.5.01.06.05 201-253-122-130-105-20030824) with ESMTP id <20040107155229.JEBC1950.imf19aec.mail.bellsouth.net@rad> for ; Wed, 7 Jan 2004 10:52:29 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] expansion tank Date: Wed, 7 Jan 2004 09:52:31 -0600 Message-ID: <000701c3d536$4296b870$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0008_01C3D503.F7FC4870" 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_0008_01C3D503.F7FC4870 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable I found that there is a 5/8" barbed heater core nipple underneath the = oil filter. I had originally figured on using that to go to the heater = core. There is another area for a fitting on the water pump. It is an angled fitting right next to the very bottom of the water pump where the large = -16 hose will connect. See area labeled "connection 2" on the picture of the water pump. I had planned on using that for the other connection to the heater core. Finally, there is also another plug on the water pump = labeled "connection 1" in the same picture. I have no idea what that is/was for. Any suggestions on how to incorporate a heater core and this expansion = tank into my system? =20 =20 =20 I would stick with plan A for plumbing the heater core. As for the expansion tank, it doesn't need much flow. As Lynn suggested, there = should be a small line running from the highest possible point in the system, = to the upper fitting on the tank. The bottom fitting will return to the = engine on the suction side of the system. I would look for a T fitting to = return it to that same lower water pump housing location that you'll be using = for the heater return. You can even T it into the heater return hose = wherever is convenient. =20 =20 Cheers, Rusty =20 ------=_NextPart_000_0008_01C3D503.F7FC4870 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message
I found that there is a 5/8" = barbed heater=20 core nipple underneath the oil filter.  I had originally figured on = using=20 that to go to the heater core. There is another area for a fitting on = the water=20 pump. It is an angled fitting right next to the very bottom of the water = pump=20 where the large -16 hose will connect. See area labeled "connection 2" = on the=20 picture of the water pump. I had planned on using that for the = other=20 connection to the heater core. Finally, there is also another plug = on the=20 water pump labeled "connection 1" in the same picture. I have no idea = what that=20 is/was for.  Any suggestions on how to incorporate a heater core = and this=20 expansion tank into my system?   
 
 
I would stick with plan A for plumbing the = heater=20 core.  As for the expansion tank, it doesn't need much=20 flow.  As Lynn suggested, there should be a small = line running=20 from the highest possible point in the system, to the upper fitting = on the=20 tank.  The bottom fitting will return to the engine on the suction = side of=20 the system.  I would look for a T fitting to return it to that = same=20 lower water pump housing location that you'll be using for the heater=20 return.  You can even T it into the heater return hose = wherever=20 is convenient.  
 
Cheers,
Rusty=20    
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