| Thanks Charlie. That makes sense to me. Didn’t understand the part of your sentence: “…..and the radiator 'overflow vent' is open to the top tank of the radiator, instead of being above a pressure cap seal.”
Appreciate the comments.
Steve
On 24 May 2014, at 9:53 am, Charlie England < flyrotary@lancaironline.net> wrote: In this case, and in Len's drawing, the swirl tank/reservoir is at cooling system pressure (pressure cap is on the swirl tank) and the radiator 'overflow vent' is open to the top tank of the radiator, instead of being above a pressure cap seal. |