Mailing List flyrotary@lancaironline.net Message #58400
From: Thomas Mann <thomasmann51@gmail.com>
Subject: Re: [FlyRotary] inlets and outlets
Date: Fri, 15 Jun 2012 22:17:03 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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The double pass radiator increases the efficiency of the radiator by about 50%.
You have tanks on both sides. One side has a partition in the tank with the inlet at the top and outlet at the bottom.
The coolant flows across the top half of the core into the non-partitioned tank then back across the lower half back to the partitioned tank and out the outlet.
 
That's the way I went with a custom Ron Davis radiator.


On Fri, Jun 15, 2012 at 9:49 PM, <CozyGirrrl@aol.com> wrote:
I can certainly see the logic in a single pass radiator of in on top and out on bottom.
 
With a dual pass design (tanks top and bottom) what would be the advantage of inlets and outlets on the bottom -vs- the top in a case with the water pump above the top of the radiator?
 
In both cases their would be a vent line to the swirl pot from the top tanks.
 
...C&R

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