• TWO CYLINDER ENGINE---- The dual cylinder engine is full of power and the voltage can reach 4-9V. The flywheels will rotate rapidly, making the generator's LED lights flickering wildly. When the machine works, it will be very shocking and attracting eyeballs.
• EXTREMLY FINE CRAFTED ---- The base, bracket and 2 flywheels are made of 6061 aluminum alloy(High strength, weldability and corrosion resistance); Power cylinder and the power piston is SUJ2 material fine grinding surface of special treatment, high hardness. Do not wear high-speed ultra-long-running; Axle joints connected with very high precision miniature bearings, stability without lubrication; The power and heat cylinder is made of brass and 304 stainless steel, service life is long
• EASY OPERATION & LONG LASTING----Fill the alcohol burner with your 95% alcohol (we recommend this fuel) and light it. Let the light burn the round ended cylinder for about 20 seconds, then give the wheel a gently push, it will run like a charm. It can run for 8 hours continuous without any broken which test by one customer.
• HEAVY & STABLE: this egine is MUCH MORE BIGGER than most of the stirling engines you can find. It's very heavy, 4.8 lb, so it can run stably on table.
• PRIORITY GIFT OPTION FOR MANY APPLICATIONS----It is an amazing and fantastic product at this price. Its elegant gift package makes it spruce up and presentable. It has a wide range of application as, great gift for Kids' science project, Physical/mechanical learning, teacher’s Demo props on the class, birthday gift for friends, families, parents, kids, etc. Many of our customers come from school, colleague, etc.