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Nitinol Memory Metal Heat Engine - Nitinol Wire Stirling Engine
This fully assembled Memory Metal Heat Engine demonstrates the conversion of heat energy into mechanical energy. This simple Nitinol Wire Heat Engine is constructed of a boomerang shaped clear acrylic holder with two high quality cast aluminum pulleys. The pulleys feature ball bearing construction for fluid movement. Simply immerse the leading edge of the smaller pulley into an 45 - 90 Degree Celsius water bath, give the larger wheel a gentle spin and watch it fly! These engines will work in either direction. This engine really moves, easily topping 500 RPM! ----SPECIFICATIONS---- Overall Length 8 / 20cm Thickness @ 1 / 25mm Weight 4 oz. Minimum Operating Temperature (Starting Temperature May be Higher

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Price: $69.95