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The second one, Rotor #2, is a three-stage rotor (three pairs of half-drums stacked vertically)
designed for hook-up to small electric power generating equipment. Its method of construction
would be appropriate in rural conditions with access to a village forge.
Access to a small machine shop, or something on that order, would be very helpful in the
assembly of either of these rotors. Some sort of facility in which to form and cut mild steel will
be required.