The Heli-Vector: Exploring the Limits of Vertical Flight in the 1950s

Mid-'50s development of an American one-person "personal helicopter" also known as "Heli-Vector" by de Lackner Helicopters.

Early tests indicated that the ship had promise, but more thorough analysis revealed that it was really extremely challenging to handle. After two accidents, the project was shelved.

There was just one model of the craft on exhibit.

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