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building and flying model aircraft

Resetting a Cox Piston Ball & Socket Joint

We all know that Cox .010 .020 .049/.051 & .09 ¬†engines have a ball and socket joint in place of the traditional gudgeon pin set up in all our other engines. We also are aware that his ¬†ball and socket is supposed to be reset occasionally especially as the engine is being run in. Some of us have the special Cox tools to make this adjustment. Some of us either don’t have this tool, or […]