Sunnytech Stirling Hot Air Engine for Low Temperature

The DWCL model stirling engine features a sleek gray design and can operate at speeds up to 180-200 RPM. It has a starting temperature difference of approximately 20°C (68°F). The engine is constructed using a variety of high-quality materials, including carbon steel, nickel-plated carbon steel, stainless steel, glass, bronze, PVC foam, and plastics. Its dimensions are a diameter of 89mm and a height of 135mm (3.5 x 5.3 inches), with a weight of 150g (0.33 lbs). The package includes the stirling engine and a detailed user manual.

The SC010 model is a pre-assembled stirling engine with the following specifications: size - 155 x 80 x 90mm (6.10 x 3.15 x 3.54 inches); power cylinder diameter - 12.5mm; piston stroke - 15mm (0.59 inches); and a speed of around 1700 RPM, which can be increased by adding heat. The engine is constructed using aluminum, stainless steel, and glass, with a net weight of 454g (1.00 lb). It comes in a silver color (not black). The package includes the engine, an alcohol lamp, a spare tube, and a multicolor LED.

These stirling engines are fantastically well-made and run beautifully. They are crafted using high-quality materials, such as mirror-finished stainless steel for the base, glass cylinder liners, precision bearings, bearing steel shafts, and zinc alloy flywheels. All the parts have undergone surface treatment to prevent rusting. These engines are oil-free and operate quietly.

The engines are designed to run quickly and smoothly, powered by just a single lever. The inclusion of two miniature magnets, one in the center of the black base and the other in the bottom of the glass cylinder, allows the engine to self-align and run at high speeds. They can operate continuously for over 24 hours without any issues, as long as a constant heat source is provided (one customer kept theirs running for weeks on a USB hotplate).

The stirling engines come equipped with a multicolor LED that can be installed by the user. As the engine runs due to the heat from the high-grade alcohol, it generates electricity that powers the LED, creating a mesmerizing and imaginative display.

The attention to detail in the construction of these engines is remarkable. The bottom plate is made of brushed aluminum alloy, exquisite and beautiful. The frame is CNC-machined and sandblasted for a smooth, firm finish. The flywheel is crafted from aluminum alloy, and the connecting rod is made of laser-cut stainless steel. The heating cylinder features custom-made thick glass material that can withstand long-term heating without experiencing pressure buildup.

These stirling engines make excellent gifts for a wide range of applications, including science projects for kids, mechanical learning demonstrations for educators, and birthday presents for friends, family, and children. Many of the customers for these engines come from educational institutions, such as schools and colleges.

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