Single-blade propeller

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A single-blade propeller may be used on aircraft to generate thrust. Normally propellers are multiblades but the simplicity of a single-blade propeller fits well on motorized gliders, because it permits the design of a smaller aperture of the glider fuselage for retraction of the powerplant. The counterbalanced teetering mono-blade propeller generates fewer vibrations than conventional multiblade configurations.[citation needed]

Single-blade propeller drawing.

Single-blade propeller and glider drawing.

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Samara (fruit) single blade-like seed which autorotates in Nature.