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O.K. Alex, I misunderstood quite what it was that you were proposing, so we
have to start again.
Firstly, to stop a water cooled engine from overheating and self
destructing, each cylinder is surrounded by water which carries away the heat
[to the radiator]. This means that the very high temps generated by the
operating cylinder will not reach the wall of the adjacent cylinder. It will
only receive heat from the water[90-105c], which is nowhere near high enough to flash the water into steam in the very brief time that the water
would be in contact with the cylinder wall.
It is conceivable that it could be made to work if the water was preheated
to close to boiling point. Once the engine was up to full operating temp, you
could utilise its heat to achieve this, but you would need a separate heating
device for initial start up.
You are quite right, the volume of water is increased by 3000 when it
becomes steam.
raymo
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