Hber-1
The initial prototype of the Heinkel He 177, built in 1939. It differed significantly from later production models and was primarily used for testing and development purposes.
Hber-2
The second prototype of the Heinkel He 177, featuring improvements over the Hber-1, including refined engines and a revised fuselage design. It was also used for testing and evaluation before the aircraft entered production.
Hber-3
The third prototype of the Heinkel He 177, further refined with improvements to the engines, aerodynamics, and armament. This prototype played a crucial role in shaping the final design of the production model.
Hber-4
The fourth prototype of the Heinkel He 177, featuring a redesigned cockpit and improved defensive armament. It was used for extensive flight testing and evaluation before the aircraft entered full production.
Fk. 52
A German World War II experimental reconnaissance aircraft designed by Flugzeugbau Friedrichshafen, featuring a streamlined fuselage and a retractable landing gear.
Fk. 53
A German World War II experimental reconnaissance aircraft designed by Flugzeugbau Friedrichshafen, featuring a unique wing design and a powerful engine.
Fk. 54
A German World War II experimental reconnaissance aircraft designed by Flugzeugbau Friedrichshafen, featuring a streamlined fuselage and a retractable landing gear.
Fk. 55
A German World War II experimental reconnaissance aircraft designed by Flugzeugbau Friedrichshafen, featuring a unique wing design and a powerful engine.
Fk. 56
A German World War II experimental reconnaissance aircraft designed by Flugzeugbau Friedrichshafen, featuring a streamlined fuselage and a retractable landing gear.
Fk. 57
A German World War II experimental reconnaissance aircraft designed by Flugzeugbau Friedrichshafen, featuring a unique wing design and a powerful engine.