Star engine principle demonstration teaching aid

Abstract

1. The name of the design product: star engine principle demonstration teaching aid. 2. The use of the design product: a teaching aid that demonstrates the principle of a star engine. By simplifying the structure of a five-cylinder star engine, the teaching aid shows a cross-sectional view, allowing students to clearly see the principle. By rotating the central shaft with the small handle on the back, each cylinder completes the cycle of suction, compression, work, and exhaust, while the front propeller also rotates. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other situations that need to be explained: the change state reference view of the design product is only an example of several change ways, not a limitation of all change forms of the product. There can be many changes in actual use.

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