X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-fx0-f210.google.com ([209.85.220.210] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3849240 for flyrotary@lancaironline.net; Sun, 13 Sep 2009 14:23:58 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.220.210; envelope-from=lehanover@gmail.com Received: by fxm6 with SMTP id 6so1724215fxm.19 for ; Sun, 13 Sep 2009 11:23:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:message-id:subject :from:to:content-type; bh=op5thkSgMd+Nc7GeqEBTZBTaarTddpEEx/xP5k0FT0M=; b=NxBzW++uGDdwLj2Bnd1I7l4MYNd6b8YiKzCO7/ZQGBitbGGcpRlMEDYQyf0+KNQg3j DIHqp5UyID+4/+y6TLRM6wRZKhbIixpntS75OUipKwtYz12q6F5TUlpPHYhsJNr1FNXk 9w7TY8lfUqKs6jnMou/LjIiIf83zGl/9oMeR8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=q1w/LQAVq2cn0gzxXmEDvX9/1mFpWmZgr/R0LT/HNoGuQF74YGdxCfEI2QMEEbS9sH e2Pa5g7ZCBRWpA21V1bErqJUNO+C4FW0n3RTk7ebwg6YwWJcnVTFNkE9Rt9KxIAQjRjM wUEplk75zenAMHTsTt/QmNIPpz3KawjEePsG4= MIME-Version: 1.0 Received: by 10.239.168.203 with SMTP id l11mr510029hbe.85.1252866201567; Sun, 13 Sep 2009 11:23:21 -0700 (PDT) Date: Sun, 13 Sep 2009 14:23:21 -0400 Message-ID: <1ab24f410909131123h7165ec42ga01d6626d4694692@mail.gmail.com> Subject: Coolant Plumbing From: Lynn Hanover To: flyrotary@lancaironline.net Content-Type: multipart/alternative; boundary=00163649a0b3e54111047379a402 --00163649a0b3e54111047379a402 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Lynn, You sent that drawing some time ago during a previous discussion on cooling. My system is set up very similar, but I wonder what the effects o= f the differences might be. I don=92t have a swirl pot, but the cap on the radiator is like in your drawing where it doesn=92t seal for pressure. Another difference is that m= y radiator is a double pass, so the radiator cap is after the first pass of the radiator. You don=92t show where you come in with the air bleed from t= he top of the front iron. Mine comes in just under the radiator cap. This allows the air to move into the make up bottle quickly. But the down side is that whatever coolant comes thru that =BC inch line bypasses the first p= ass of the radiator and only goes thru the last pass. However, I think that this coolant has only made one pass thru the engine as well. ( I have no clue how the coolant flows thru the block, but I think it goes down one side and back up the other side to the water pump???) I would lik= e someone to set me straight on this coolant flow thru the engine. There are two outlets, this one and the heater supply that come off the front iron. They must somehow only get contact with half the engine since the water pum= p is on the other end of the engine. ??? Bill B The air from the engine leaves the top of the swirl pot (in my case) and enters the stock RX-2 make up bottle at the bottom center. I have no other lines to the make up bottle other than the line from the neck above the pressure seal that runs to the catch tank required by rules. The dynamic fluid flow does not require exact top collection of air as woul= d a static system. Air is swept along with the coolant and tends to collect only in still or very low flow areas like the top of the radiator tanks. Thus the swirl pot, that removes air from a high energy flow. My radiator is a double pass to get more energetic flow and have both inlet and outlet on the same end. Coolant flows back along the sparkplug side to the rear iron, across the rear iron and forward from rear to front along the intake and exhaust side, then out through the water pump housing. Lynn E. Hanover --00163649a0b3e54111047379a402 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable

Lynn,

You sent that drawing some time ago during a previous= discussion on cooling.=A0 My system is set up very similar, but I wonder w= hat the effects of the differences might be.=A0

I don=92t have a swirl pot, but the cap on the radiat= or is like in your drawing where it doesn=92t seal for pressure.=A0 Another= difference is that my radiator is a double pass, so the radiator cap is af= ter the first pass of the radiator.=A0 You don=92t show where you come in w= ith the air bleed from the top of the front iron.=A0 Mine comes in just und= er the radiator cap.=A0 This allows the air to move into the make up bottle= quickly.=A0 But the down side is that whatever coolant comes thru that =BC= inch line bypasses the first pass of the radiator and only goes thru the l= ast pass.=A0 However, I think that this coolant has only made one pass thru= the engine as well.

( I have no clue how the coolant flows thru the block= , but I think it goes down one side and back up the other side to the water= pump???)=A0 I would like someone to set me straight on this coolant flow t= hru the engine.=A0 There are two outlets, this one and the heater supply th= at come off the front iron.=A0 They must somehow only get contact with half= the engine since the water pump is on the other end of the engine.=A0???

Bill B

=A0The air from the engine leaves the top of the sw= irl pot (in my case) and enters the stock RX-2 make up bottle at the bottom= center. I have no other lines to the make up bottle other than the line fr= om the neck above the pressure seal that runs to the catch tank required by= rules.
=A0
The dynamic fluid flow does not require exact top c= ollection of air as would a static system. Air is swept along with the cool= ant and tends to collect only in still or very low flow areas like the top = of the radiator tanks. Thus the swirl pot, that removes air from a high ene= rgy flow.
=A0
My radiator is a double pass to get more energetic = flow and have both inlet and outlet on the same end.
=A0
Coolant flows back along the sparkplug side to the = rear iron, across the rear iron and forward from rear to front along the in= take and exhaust side, then out through the water pump housing.
=A0
Lynn E. Hanover
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