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The Pilots Desk
1923 sportplane

HE 3

The Heinkel HE 3 was a sports aircraft built in Germany in the early 1920s. It was a conventional, low-wing monoplane with seating for three people in two tandem cockpits. The wing was a cantilever design, an unusual and advanced feature for the day. The fixed undercarriage was designed to be quickly changed from wheeled tailskid type to twin pontoons for operation as a seaplane. A HE 3 won first prize in its class at the 1923 aero meet at Gothenburg, and was subsequently selected as a trainer by the Swedish Navy, which bought two examples. In Swedish service, the aircraft gained the nickname Paddan ("Toad"). The HE 3 had fabric-covered wooden wings, and a plywood-covered wooden fuselage.

Summary from Wikipedia licensed under CC BY-SA.

Manufacturer
Heinkel
Country of origin
Germany

Specifications

Cruise speed
82 kt
Max speed
82 kt
Max takeoff weight
2,205 lb
Powerplant
1 × Siemens-Halske Sh 6
Engines
1
Seats
3
Length
23 ft
Wingspan
39 ft

Specifications are approximate and may vary by variant. Compiled from Wikipedia (CC BY-SA).

Reference and training only. Specifications vary by variant — consult the manufacturer and the official documents.