Bensen B-9 Little Zipster

Bensen Aircraft · United States · first flew 1958 · helicopter

The Bensen B-9 Little Zipster was a small helicopter developed by Igor Bensen in the United States in the 1950s and marketed for home building.

Recognition (WEFT)

W — WingsHigh-mounted, rotary
E — Engines1 × piston, fuselage-mounted
F — Fuselage3.51 m fuselage
T — TailConventional

WEFT is AircraftIQ's four-point recognition method — how it works.

Spot it by:

An open aluminium framework with a pilot seat and two stacked counter-rotating rotors, a large tailfin, and a handlebar control extending over the pilot's head to the rotor hub.

Specifications

Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.

History

Similar in general configuration to Bensen's previous rotor kite and autogyro designs, it consisted of an open aluminium framework but replaced the autorotating main rotor with a coaxial, counter-rotating system of two two-bladed rotors. It first flew in 1958.

Variants

It was a single homebuilt model, powered by a 70 hp Mercury engine.

Where you'll see it

It was sold for amateur construction, carried one pilot, and had a maximum speed of 130 km/h.

Related aircraft

AircraftIQ — the aircraft field guide: 8,606 recognition guides, live overhead identification, works offline.