Gary writes:
> Even in the tropical climate of Florida, diesel engine manufacturers
> recommend antifreeze in most engines. This is to raise the
> boiling point and prevent cavitation at hot spots on the cylinder
> walls. The cavitation from steam bubbles at hot spots eventually cause
> holes in the cylinder walls.
This is true in a pressurized system like an automobile engine.
Unless designed specifically for vapor phase cooling (e.g., with
a boiler), water cooled tubes should not be operated above 180
degrees F.
An automotive cooling system will regularly run 250 degrees or so ...
73,
... Joe, K4IK
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