3D printed single cylinder engine runs on balloon power

From 3ders.org
March 19, 2017 - 10:25am
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.


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