4 cylinder in-line compressed air engine
cults3d
In-line 4 cylinder engine running on compressed air and printable in 3D (with some additional elements like ball bearings, screws, O-rings, plastic balls, inner tube seals...). The engine exceeds 3500 rpm with the 10x5 propeller tested. The single-cylinder version was created by Tom Stanton, I first derived a two-cylinder version then a three-cylinder version and finally this 4-cylinder version. There are a lot of modifications compared to the monos, bi, and tricyliners, especially on the crankshaft. The whole is assembled with 2mmx8mm screws. All this is detailed in the editing video https://youtu.be/wDiYV2ZYJhM Motor operation up to 70Psi ! https://www.youtube.com/watch?v=BEtV22dOLq0&t=3s I only have to create the V6 version to finish this series on compressed air engines;) filament used: PLA print height: 0.15mm
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