Sparmann S-1

The Sparmann S-1 was a 1930s Swedish military training monoplane, designed by Edmund Sparmann, built in small numbers for the Swedish Air Force. The S-1 was a single-seat low-wing braced-monoplane with a fixed trail-skid landing gear. It was powered by a single 130 hp (97 kW) de Havilland Gipsy Major engine.

Operators

Data from ^[1]^[2]

General characteristics

Crew: 1
Length: 6.18 m (20 ft 3 in)
Wingspan: 8 m (26 ft 3 in)
Wing area: 8.34 m² (89.8 sq ft)
Empty weight: 417 kg (919 lb)
Gross weight: 630 kg (1,389 lb) normal; 585 kg (1,290 lb) aerobatic
Max takeoff weight: 625 kg (1,378 lb)
Fuel capacity: 120 L (32 US gal; 26 imp gal) in a fuselage tank
Powerplant: 1 × de Havilland Gipsy Major 4-cyl. inverted air-cooled in-line piston engine, 97 kW (130 hp)

Performance

Maximum speed: 250 km/h (160 mph, 130 kn) aerobatic
Cruise speed: 210 km/h (130 mph, 110 kn)
Range: 880 km (550 mi, 480 nmi) at cruise
Service ceiling: 6,000 m (20,000 ft) service ceiling
Rate of climb: 7.59 m/s (1,495 ft/min)
Time to altitude: 1,000 m (3,300 ft) in 2.5 minutes

2,000 m (6,600 ft) in 5.3 minutes

4,000 m (13,000 ft) in 14.7 minutes

5,000 m (16,000 ft) in 24.4 minutes

Wing loading: 75 kg/m² (15 lb/sq ft) normal; 70.2 kg/m² (14.4 lb/sq ft)
Power/mass: 0.155 kW/kg (0.094 hp/lb) normal; 0.1715 kW/kg (0.1043 hp/lb) aerobatic

↑ Henriksson, Lars. "P 1 - Sparmann S 1-A "Sparmannjagaren" (1939-1947)". Retrieved 10 June 2013.
↑ Grey, C.G.; Bridgman, Leonard, eds. (1937). Jane's all the World's Aircraft 1937. London: Sampson Low, Marston & company, ltd. p. 266c.