Rotorcycles
In the early 1950s the US Marine Corps was considering a single seat portable ultra light helicopter which could be airdropped. The programme was conducted by the US Navy’s Office of Naval Research and included the following designs:
Hiller 1033 Rotorcycle: Two prototypes...
While waiting for Orionblamblam posts I'd like to post this beast from Hiller
(Vertical Challenge. The Hiller Aircraft Story from Jay P. Spenser. ISBN 0-295-97203-3)
Formally proposed in 1965, it was designed to retrieve spent 200 ton Saturn V booster first stages. This tip-jet powered helo had...
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