Saab 91 Safir ("Sapphire") - a three- or four-seater training aircraft, produced in Linkoping , Sweden by the company Saab AB and the company De Schelde in Dordrecht , Holland .
Saab 91 | |
---|---|
Saab 91C Swedish Air Force | |
Type of | training aircraft |
Manufacturer | |
Chief Designer | Anderson Andersson |
First flight | November 20, 1945 |
Operators | Swedish Air Force |
Years of production | 1946 - 1966 |
Units produced | 323 |
Content
Development
The aircraft was developed by Anders Andersson, who had previously worked for Bücker , where he designed the wooden plane Bücker Bü 181 "Bestmann". Safir inherited many ideas from the design of the device "Bestmann". His first flight was made on November 20, 1945.
The aircraft is equipped with a four-cylinder engine de Havilland Gipsy Major 2c with a capacity of 125 liters. with. or Gipsy Major 10 engine capacity of 145 liters. with. Models 91B, B-2 and C have a six-cylinder engine with a capacity of 190 liters. with. [1] . Model 91D is equipped with a four-cylinder Lycoming O-360-A1A engine with a capacity of 180 liters. with.
Safir was also used to develop the technology of the wing of a Saab 29 Tunnan jet aircraft.
Usage History
323 aircraft were released in five versions (A, B, B-2, C and D). Safir was used to train military pilots in Sweden, Norway, Finland, Austria, Tunisia and Ethiopia.
Specifications (91A)
Source Safir in the Air [2]
Main characteristics
- Crew: 1
- Passengers: 2 passengers
- Length: 7.80 m (25 ft 7 in)
- Wing Span : 10.60 m (34 ft 9 in)
- Height: 2.20 m (7 ft 3 in)
- Wing area: 13.6 m² (146 sq ft)
- Maximum take-off weight: 1,000 kg (2,200 lb)
- Propulsion: 1 × de Havilland Gipsy Major X four-cylinder inline engine, 145 hp (108 kW)
Flight performance
- Maximum speed: 264 km / h (143 knots , 164 mph)
- Cruising speed: 235 km / h (127 knots, 146 mph) (econ cruise)
- Stall speed: 85 km / h (46 knots, 53 mph)
- Practical range: 942 km (509 nmi , 585 mi)
- Practical ceiling: 4,600 m (15,100 ft)
- Rate of climb: 5.3 m / s (1,050 ft / min)
Notes
- ↑ Flying Magazine, August 1954, page 39
- ↑ Smith, 1947, pp. 459–462.