Tag: prototype Zipper

Free Flight was forever changed after the introduction of Carl Goldberg’s Zipper model at the 1938 Nats.  The model, with its raised pylon, undercambered airfoil and polyhedral wing is unmistakable and iconic. Want to know why the Zipper is so famous?  Watch this Fly-By! The Zipper in the museum’s collection […]

Continue reading