Low Temperature Difference Black Magnetic Stirling Engine Toy Gift Decor Collection
This Stirling engine is driven by the Temperature Differential between the top and bottom panels. The simplest way to make temperature differential is placing it on a mug of hot water or on top of ice. Rotating speed highly depends on the differential: the higher, the faster. Our experiment indicates that it can rotate at a speed of around 600-1000 RPM when placed on a mug of boiled water.
The Operating Temperature Differential of this model is around 27-34°F, much lower than most of the engines on the market. It can continuously rotate for 20-25 minutes on a cup of 140°F water, safer for kids. Please note when you use 140°F water (its steam actually) within a 250ml tea cup as heat source, the temperature of bottom panel is about 122°F.
Our technical team has taken several effective steps to improve its performance: employ magnets to interact between power piston and displacer to eliminate mechanical friction effectively while make the whole structure simple and stable; a self-lubricated graphite power piston to reduce friction and increase robustness; a stainless steel string as connecting rod between the crank on the flywheel and the power piston to reduce more friction(less contact area). It will be an eye-catching desktop toy & gift for everyone.
Max speed: around 600-1000 RPM
Operating Temperature Differential: about 27-34°F
Continuous rotation time on a cup of boiling water: about 60-100 minutes
Material: aluminum, stainless steel, graphite, sponge and acrylic
Overall dimensions: 3.98x3.98x3.78 inch (L/W/H)
Net Weight: 0.41lb
*User manual x1
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