Product: DjuiinoStar Low Temperature Stirling Engine
Brand: DjuiinoStar
Color: Low Temperature
This engine is driven by the temperature differential between the top and bottom plates. To make temperature differential, simply put it on a cup of hot water or on top of ice. The speed depends on the temperature differential: the higher, the faster. It can reach a speed of 180-200 RPM when in good condition. What's it for:
 *Funny gift
 *Kids' science project
 *Hobby
 *Physical/mechanical learning
 *Put on your table
 *You want to spend money but don't want to spend too much
 Features:
 * Stand: carbon steel; top and bottom plates: nickel-plated carbon steel; power cylinder and piston: glass; displacer: PVC foam; displacer cylinder wall: plastics; displacer guide: copper; flywheel, cranks, rods, shafts or so: stainless steel. Brand: DjuiinoStar
 Model: DLTD-303
 Speed: 60-200 RPM(revolutions per minute)
 Start temperature differential: about 20 Celsius/68 Fahrenheit
 Material: carbon steel, nickel-plated carbon steel, stainless steel, glass, bronze, PVC foam and plastics*
 Overall size: 103x103x125mm/4.06x4.06x4.92in(L/W/H)
 Size of flywheel: 87x5.8mm/3.43x0.23in(Diameter/Thickness)
 Inner diameter of power cylinder: 15.6mm/0.61in
 Net Weight: 238g/0.52lb

★EASY START: just place on a mug of hot water and give it a spin and you're up and running; as long as enough temperature differential maintains, it will keep running like Forrest Gump. People will be shocked and surprised once this little engine start to work. It will definitely be a GREAT CONVERSATION PIECE on your desk.
★WIDE APPLICATIONS: people bought it for kid's science project, physics/mechanics learning, demonstration on class, etc. It's a well-designed and crafted mechanical toy; great to display basic principle of external combustion engines; fantastic gift for people you love. Many people bought our machines as gift to families, teachers, friends, boyfriends and seldom will our machines failed to cheer them up!
★MOST CLASSICAL STIRLING ENGINE: with elegant design and fine workmanship, this is a beautiful piece of art. Many people are satisfied with the fit and finish of our engine.
★SAFE FOR KIDS: Complies with the applicable regulations and standards under CPSIA and any other acts enforced by CPSC; passed Toxic Elements Test/Flammability Test/Physical and Mechanical Test of ASTM-963 Standard Customer Safety Specification For Toy Safety.
★★★★★We provide free replacement if engine stop working within 365 days. We also provide spare parts free for all our products within 1 year. DjuiinoStar stands behind its products, buy with confidence!

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