Heinkel HE 1

HE 1
Role	Reconnaissance floatplane
National origin	Germany
Manufacturer	Caspar-Werke
Designer	Ernst Heinkel
Primary user	Swedish Navy (Marinen )

The Heinkel HE 1 was a two-seat, low-wing monoplane floatplane, designed in 1921 by German designer Ernst Heinkel at Caspar-Werke. The aircraft was produced under licence in Sweden for the Marinen (Swedish Navy) in 1921 as the Svenska S.1. The HE 1 was powered by a 179 kW (240 hp) Maybach Mb.IVa engine; one test aircraft was powered by a Siddeley Puma engine.

Specifications

General characteristics

• Crew: Two (pilot & observer/gunner)
• Length: 12.65 m (41 ft 6 in)
• Wingspan: 18 m (59 ft 1 in)
• Height: 3.85 m (12 ft 8 in)
• Empty weight: 1,700 kg (3,748 lb)
• Gross weight: 2,320 kg (5,115 lb)
• Powerplant: 1 × Maybach Mb IVa 6-cylinder water-cooled inline piston engine, 190 kW (260 hp)

Performance

• Maximum speed: 160 km/h (99 mph; 86 kn)
• Service ceiling: 4,000 m (13,123 ft)
• Time to altitude: 1,000 m (3,300 ft) in 9 minutes

Armament

1 × flexible machine gun in rear cockpit

Operators

Sweden

• Swedish Navy
• Swedish Air Force