Acme Sierra
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The Acme 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 X-shaped tail incorporating ruddervators on the upper fins. The wing was mounted midway up the fuselage and was unswept. During the 1960s, Northrop used the aircraft as a technology demonstrator for boundary layer control concepts.
Specifications (S-1 Sierra)
General characteristics
- Crew: one pilot
- Length: 18 ft 0 in (5.49 m)
- Wingspan: 20 ft 2 in (6.15 m)
- Height: ft in ( m)
- Wing area: ft² ( m²)
- Empty: 590 lb (268 kg)
- Loaded: lb ( kg)
- Maximum takeoff: lb ( kg)
- Powerplant: 1x Continental C-85, 85 hp (63 kW)
Performance
- Maximum speed: 200 mph (320 km/h)
- Range: miles ( km)
- Service ceiling: ft ( m)
- Rate of climb: ft/min ( m/min)
- Wing loading:
- Power/Mass:
Related content
Related development:Comparable aircraft: Göppingen Gö 9
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