Descriptions:
The small model was built from copper castings, Water is pumped through a water jackets to cool the engine . you can run it for a long time.
To start the engine, simply fill the gas tank with butane gas, turn on the gas valve switch, ignite the boiler under the engine, add about 80ml of water to the water tank, heat it for about a minute, and then start the engine by hand-cranking the flywheel.

Specifications:
Item No.: R01
Item Name: Stirling Hot Air Pump Engine Model
Material: Brass + Stainless Steel + Aluminum
Colour: RED/Green
Flywheel Diameter: 56mm
Start Method: Manual
Ages: 16+
Product Weight: 1350g
Product Dimensions: 125mm x 75mm x 128mm

Feature:
1.Copper Casting Construction: Meticulously built from high-quality brass, stainless steel, and aluminum, ensuring a premium feel and longevity.
2.Efficient Water Cooling System: Features a water jackets that efficiently pumps water to cool the engine, allowing for prolonged operation.
3.Manual Start Mechanism: Easy start by filling the gas tank with butane, heating the water, and cranking the flywheel.
4.Vivid Colour Options: Available in sophisticated red and green finishes, enhancing the visual appeal and authenticity of the model.
5.Compact Yet Robust Design: Dimensions of 125mm x 75mm x 128mm and a flywheel diameter of 56mm, along with a weight of 1350g, making it a solid yet manageable size.

Package included:
1x Stirling Hot Air Pump Engine Model