Vacuum Engine

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Vacuum Engine

The vacuum engine is an external combustion engine that uses energy from an external source as its fuel. The valve at the front of the cylinder opens and closes, taking hot air into the cylinder along with a flame. The hot air is cooled in the cylinder, and the piston moves.

  • You can load the removable engine unit into pieces you create.

  • The kit takes about two hours to assemble. It requires no special tools and can be assembled by anyone.

  • Learn about the basics of thermodynamics by assembling and running it.


Series: Otona no Kagaku product version
Package contents: Vacuum Engine
Materials: ○ Metal (Car body, stand, and other main unit parts: Aluminum, Shaft: Iron, Valves: Brass, Screws, etc.: Iron (nickel plated)) ○ Plastic (Drive and steering gears (black): POM, Seat, steering wheel, clutch lever (brown): PS, Screwdriver handle (orange): Polyethylene)
Package contents: Assembly kit (parts, Phillips screwdriver)
Targeted ages: Age 12 to adult
Package dimensions: 60 (W) × 120 (D) × 210 (H) mm, 740 g
Assembled size: 200 (W) × 133 (D) × 110 (H) mm, 500 g
Assembly time: Approx. two hours
Country of origin: China
Instruction manual: Japanese only. The English instruction is provided on web
* Also requires alcohol fuel (can be purchase at a drug store or the like).
* This experiment uses fire. Be extremely careful about potential burns and fires. Do not allow children 15 years of age or younger to conduct the experiment without adult supervision.

supplement instruction English leaflet[PDF: 2,700KB]

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