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NEJE DIY 4*LED Stirling Engine Educational Puzzle Toy - Silver + Brown

NEJE DIY Hot Air 4-LED Stirling Engine Educational Puzzle Toy Kit - Silver + Brown

by NEJE
4.9 ( 40 reviews)
SKU: 380447
Quantity:
NEJE DIY 4*LED Stirling Engine Educational Puzzle Toy - Silver + Brown
NEJE DIY Hot Air 4-LED Stirling Engine Educational Puzzle Toy Kit - Silver + Brown

NEJE DIY 4*LED Stirling Engine Educational Puzzle Toy - Silver + Brown

US$66.40 US$81.91 19%OFF 4.9 (40 reviews)
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What is the stirling engine?

A Stirling engine is a heat engine that operates by cyclic compression and expansion of air or other gas, the working fluid, at different temperature levels such that there is a net conversion of heat energy to mechanical work. The engine is like a steam engine in that all of the engine's heat flows in and out through the engine wall.

How it works?

This is traditionally known as an external combustion engine in contrast to an internal combustion engine where the heat input is by combustion of a fuel within the body of the working fluid. Unlike the steam engine's use of water in both its liquid and gaseous phases as the working fluid, the Stirling engine encloses a fixed quantity of permanently gaseous fluid such as air or helium. As in all heat engines, the general cycle consists of compressing cool gas, heating the gas, expanding the hot gas, and finally cooling the gas before repeating the cycle.


 
General
BrandNEJE
Form ColorSilver + Brown
MaterialAluminum + wooden
Quantity1 piece
Other Features
Suitable Age 12-15 years , Grown ups , 8-11 years
Dimensions & Weight
Dimensions 7.01 in x 3.54 in x 3.54 in (17.8 cm x 9 cm x 9 cm)
Weight 8.82 oz (250 g)
Packing List
1 x Hot air LED stirling engine
1 x Alcohol lamp
1 x Set of replaceable pistons

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Quantity 3+ units 5+ units 10+ units
Rate US$64.70 shipped US$64.50 shipped US$64.30 shipped

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4.9
Customer's impression:
good nice Good value Beautiful Works great Fantastic Well made problem great gift It is a very good example
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Recent Customer Reviews

  • rmbl21 Post on 5/9/2017

    Pros: Looks gorgeous and runs extremely smooth. Its awesome to see it running. Cons: I wish there was some sort of holder for the fuel tank since it tends so slide a bit while it is running Awesome product!

    Impression:good, Good value

    29 0
  • 8882855 Post on 2/6/2017

    works very well, even with candle

    Impression:Good value

    0 0
  • zhangtao Post on 1/30/2017

    Easy to set up. The transparent chamber upper part seems to have a few hairline cracks but it doesn't affect the performance. Good toy to keep for kids.

    Impression:Works great

    0 0
  • 10437434 Post on 11/16/2016

    Dear Sirs! I bought this hot air Stirling Engine Motor Model Toy. The Machine works very good, but the attached LED went wrong. It worked for about two minutes and after not. I tried the machine with another normal LED, it... Read more

    Impression:good, problem

    3 1
  • rubensenen Post on 11/3/2016

    Pros: herramienta de enseñanza práctica y útil para mostrar otro tipo de motores de combustión y motivar la creatividad. Contras: ninguna

    Impression:God Product !

    3 0

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