From: "Marvin Kaye" <marv@lancaironline.net>
Subject: Re: [FlyRotary] overflow connections
To: flyrotary
Date: Tue, 02 Mar 2004 10:20:47 -0500
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Posted for Mark Steitle <msteitle@mail.utexas.edu>:

Paul,
I think you want the bottom fitting to suck... so connect it to the inlet side
of the water pump (see picture).   Otherwise you could draw air into the
system if the tank gets low on coolant.

The fitting that's halfway up on the side of the tank should flow coolant into
the tank.  I connected that to the radiator return side tank, uppermost point
so as to draw out any trapped air).

Mark S.

>Hi, fellow rotary enthusiasts....My radiator is all connected, and the last
>thing I need to do before engine start is the expansion tank. I purchased a
>nice aluminum expansion tank that has a fitting on the bottom, and one on
>the side, about 2/3rds of the way up from the bottom. It has a billet
>machined radiator cap fitting on the top.I also had another female pipe
>fitting welded on for my glass sight gage, which is right about in the
>middle of the tank. (also on the side).