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This design can be built Horizontal or vertical in form https://www.instructables.com/55-Gallon-Drum-Turbine/
This is the kind of machine that I would choose to build if I could repeat the process. A much simpler machine, easier to build, able to accept wind from any direction and although slightly less efficient, it has more starting torque than the horizontal axis machines. That is important, because the rope drive and any machinery attached to the clutch, will have considerable internal friction. So efficiency is about more than just aerodynamics.
Update: Today I attached the rope drive and the clutch. It seems to be working as intended. Aside from cosmetic changes and the balancing of the machine, it is now finished.
"Plan and prepare for every possibility, and you will never act. It is nobler to have courage as we stumble into half the things we fear than to analyse every possible obstacle and begin nothing. Great things are achieved by embracing great dangers."
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