Overview
The Acme Aircraft Co S-1 Sierra was an experimental aircraft of unusual configuration built in the US in 1948 to investigate the advantages of a pusher propeller configuration. Apart from this engine installation, the aircraft was unusual in having an Y-shaped tail incorporating ruddervators on the upper fins. The wing was shoulder-mounted on the fuselage and was unswept.
Specifications
Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.
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