Rohr, Inc.

John Frederick Vertel

Sreenivas Narayanan Nampy

Matthew J Smelcer

An apparatus is provided for a vertical take-off and landing aircraft. The apparatus includes a rotor head with a rotor hub and a plurality of rotor blade attachment structures. The attachment structures are disposed about and extend radially out from the rotor hub. Each of the attachment structures may be configured from or otherwise include flexible matrix composite material. In addition or alternatively, the rotor head may be a monolithic bearingless rotor head.

Rotor head for a vertical takeoff and landing aircraft

A rotor blade has a chord and a span length perpendicular to the chord. The rotor blade includes a first skin having an inner surface and a first plurality of elements extending from the inner surface. The first plurality of elements are distributed along at least a portion of the span length and inclined with respect to the chord of the rotor blade. A second skin is attached to the first skin so as to form an outer surface of the rotor blade. The second skin has a second plurality of elements extending towards the inner surface of the first skin and engaging with the first plurality of elements to form a plurality of ribs within the rotor blade.

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Coronado, CA, United States of America

John Frederick Vertel