Quote:
Originally Posted by teoman
You could add a solenoid valve somewhere on your cooling circuit. Then if necessary you can blow off some pressure to get instant cooling.
You will have to fill up with distilled water occasionally or condense the steam and use that.
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An interesting suggestion. The ultimate implementation of it was experimental evaporative engine cooling in early versions of FW-190 fighter plane. Steam condensers were placed in the wings. But a bullet hole in a wing, and alles kaput, so air-cooled engine was used on production models. Since chances of getting a bullet hole in a Metro are not that high nowadays, evap cooling may be a viable approach.
I am afraid that opening a valve on pressurized cooling system with engine running will have quite drastic consequences, similar to what happens when radiator cap safety valve opens as a result of engine overheating.