3D printed single cylinder engine runs on balloon power

3D printed single cylinder engine runs on balloon power

We’ve seen 3D printing used many times before to produce or test new ideas for different types of engines- automobile engines, replica steam engines and even rocket engines have all been made with the technology. Now 3D hobbyist Greg Zumwalt has created what could be a first in this field- an engine that can be powered by a balloon. The device was 3D printed from entirely original designs, which he developed and made available online to anyone who wants to make their own Single Cylinder Air Engine. The initial design for the 3D model of the Single Cylinder Air […]

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