AstroMedia Steam Gyro
£9.49 VAT inc
The very first steam engine was a spinning copper ball, invented by Hero of Alexandria in the first century. This swimming spin top uses the same principle. A tea light (not included) heats the water in the copper spiral and recoil from the steam makes the Gyro spin.
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Then the steam condenses and sucks fresh water into the pipe. This process is repeated several times per second as long as the candle burns.
A neat little model that fascinates young and old. Add a paper cylinder and turn it into a spinning buoy, a revolving lantern, etc.
The kit contains a cork plate (80 x 10 mm) with pre-drilled holes, a copper spiral with soft-annealed ends, and a bending tool. Construction time: 15 min.
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