Double Acting Oscillating Engine

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glue-itcom

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A simple video of this engine running has been on here before. I just thought it would be interesting to talk about the engine and show the ports etc.



At some point I want to add pipes from the exhausts to the flywheel - not sure it will add much, but the principle is interesting
 
I've been learning to use FreeCAD and looking at a simplified version of this engine. The actual 3D creation of parts I found quite simple.

CAD image of Oscillating Engine.jpg


However, the creation of technical drawings takes a lot of time.

oscillating engine plans.jpg


I find it interesting though coming at CAD having previously made parts from simple sketches. I think the making process has made me look at the CAD in a different way and understand the constraints more from a machinists viewpoint.
 

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