Contra-Rotating Propeller

Contra-Rotating Propeller

thingiverse

This is a simple demonstration of how a contra-rotating propeller works. DXF file is included if you want to edit it in any way. Once the model is together, you should glue the necessary parts to each-other. Glue should connect prop 1 and gear 2, then separately, it should connect gear 3 and prop 2.NOTE: The whole mechanism might be a little big, so if you want, the whole thing works fine sized down 50%.

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