Putt Putt Boats
Steam boilers in these steamboats provide the forward propulsion brought about by steam flashing (pulsing)in the boiler and pushing water out of tubes at the rear of the boat.
The steam is generated by a heat source, a candle, heating water in the boiler to the flash point. When the flash point is exceeded the steam expands and pushes water in the tubes out pushing the boat forward.
When the flash of steam is exahusted the water condenses and refills the boiler with water. As the boiler becomes hotter the cycles of flash and condense increases and the boat goes faster.
These cycles will continue as long as heat is applied to the boiler.
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