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http://en.wikipedia.org/wiki/Arado_S_I

The Arado S I was a biplane trainer built in Germany in 1925. The first of three prototypes was powered by a Bristol Lucifer radial engine, while the other two Arado S.Ia aircraft were fitted with the Siemens-Halske Sh 12. This latter engine also powered the Arado S III, a virtually identical aircraft of which only a single prototype was constructed and sold to Turkey.

Specifications (S Ia)

General characteristics

• Crew: two, pilot and instructor
• Length: 7.35 m (24 ft 1 in)
• Wingspan: 11.50 m (37 ft 9 in)
• Height: 2.65 m (8 ft 8 in)
• Wing area: 26.3 m² (283 ft²)
• Empty weight: 600 kg (1,320 lb)
• Gross weight: 915 kg (2,020 lb)
• Powerplant: 1 × Siemens-Halske Sh 12, 80 kW (110 hp)

Performance

• Maximum speed: 147 km/h (91 mph)
• Range: 500 km (310 miles)
• Rate of climb: 1.0 m/s (200 ft/min)

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Published in July 2009.

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