The basic parameters of the engine are
The main construction was made from aluminium tooling plate. The
piston is made from Duragraph 11 graphite with an aluminium insert.
The cylinder is made from brass.
The engine ran on the first attempt using a small night light as the heat source. After 2 hours running it runs at 450 RPM with a suprising amount of torque.
Total time to make the engine was around 25 hours over 3 weeks including thinking time.
The main dimensions are :
Bore = 1 inch
Stroke = 0.5 inch
RPM = 250
Heat source = Alcohol lamp
Regenerator material= stainless steel kitchen scrubbing ball.
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