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World's Smallest Helicopter Ready For a Spin
inventorspot.com — Guinness World Records has declared the GEN H-4 to be the world's smallest one-man helicopter. Now the inventor of the GEN H-4, 75-year-old Japanese inventor Gennai Yanagisawa, will demonstrate the chipper chopper in the Italian hometown of famed aeronautical pioneer and "Renaissance Man" Leonardo da Vinci.
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