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The Dornier Do 12 Libelle III was the third of a line of small German flying boats of the 1930s. It started with the Dornier A Libelle I and the Dornier A Libelle II, though the Do 12 was not a continuation, but an entirely new aircraft.
The AEG helicopter was an unusual German aircraft project, intended to create a portable observation post in the form of a tethered helicopter. It achieved lift by use of two contra-rotating rotors powered by an electric motor that was supplied with power from the ground. The device could be folded for transportation on the back of a truck. An observer's cabin was suspended underneath the rotor assembly, and could be blown clear by an explosive charge in case of emergency. Development commenced in 1933, but it was never put into service by the military.
The Messerschmitt Me 309 was a prototype German fighter, designed in the early years of World War II to replace the Bf 109. Although it had many advanced features, the Me 309's performance left much to be desired and it had so many problems that the project was cancelled with only four prototypes built. The Me 309 was one of two failed Messerschmitt projects intended to replace the aging Bf 109, the other being the Me 209 of 1943.
The Henschel Hs 130 was a German high-altitude reconnaissance and bomber aircraft developed in World War II. It suffered from various mechanical faults and was never used operationally, only existing as prototype airframes.
The Dornier Do 317 was a prototype German medium bomber of World War II.
The Messerschmitt Me 329 was a design project for a heavy fighter and ground-attack aircraft, developed towards the end of World War II. It was a competitor and possible successor to the Me 410. Like the Me 265, the Me 329 used an advanced flying wing design. Other advanced features included the pilot and navigator sitting in tandem in a broad bubble canopy, and a remote-controlled rear gun in the tail. In spite of the futuristic design, the improvement in performance over the Me 410 was marginal. Development received a low priority, and while a full-scale glider was tested at Rechlin in the winter of 1944/5, work on the project was cancelled shortly after.
The Dornier Do 214 was a proposed large long-range flying boat, developed by Dornier in World War II.
The Albatros Al 101 was a 1930s German trainer aircraft. It was a parasol-wing monoplane of conventional configuration, and seated the pilot and instructor in separate, open cockpits.
The DFS 331 was a transport glider prototype developed in a collaboration between DFS and Gotha. It was a twenty-seat troop transport designed by Hans Jacobs, who had previously produced the successful, nine seat DFS 230.
The Hopfner HA-11/33 was an amphibious flying boat built in Austria in 1933 to a specification by the Dr. Oetker company. The result was a conventional, high-wing cantilever monoplane with a stepped flying boat hull and pontoons on struts under the wings at mid-span. The cabin was fully enclosed, and the twin engines were mounted tractor-fashion on struts above the wing.
The Heinkel He 49 was a German single-bay, single-seat biplane of mixed construction armed with two machine guns. Four variants were made, the He 49a, He 49b, He 49c and He 49d.
The Siebel Fh 104 Hallore was a small German twin-engined transport, communications and liaison aircraft built by Siebel.
The Baumgärtl Heliofly III/57 and Baumgärtl Heliofly III/59 were 1940s experimental backpack helicopters designed and built by the Austrian-designer Paul Bäumgartl. Following on from his earlier experiments with strap-on autgyros the Heliofly III/57 was powered by two 8 hp (6 kW) Argus As 8 piston engines each driving a single-blade of the contra-rotating rotors.
The Arado Ar 77 was a German twin-engined monoplane, designed as an advanced training aircraft from 1934.
The DFS 193 was a planned experimental German aircraft of the 1930s planned by Deutsche Forschungsanstalt für Segelflug (DFS). Designed by Professor Alexander Lippisch and a DFS employee named Roth, it resembled Lippisch's Storch IX and the Gotha Go 147.
The Kiel FK 166 was a single-seat prototype "exercise" biplane built by Kiel Flugzeugbau in the 1930s.
The Messerschmitt P.1092 was a series of Messerschmitt experimental aircraft for the Luftwaffe during the Second World War. Several designs for single- and twin-engined aircraft were drafted under the same designation.
The Albatros L102 / Albatros Al 102, was a German trainer aircraft of the 1930s. It was a parasol-wing landplane, seating the student pilot and instructor in separate, open cockpits. A biplane floatplane version was also built as the Al 102W, with strut-braced lower wings.
The Albatros L 103 / Albatros Al 103 was a German experimental aircraft of the 1930s. It was a parasol-wing landplane of conventional configuration, seating the pilot and flight test observer in separate, open cockpits. The Al 103 was used to test variations in sweepback, dihedral and tailplane area.
The Hirth HM 501 was a 6-cylinder air-cooled inverted in-line engine that was developed by Hirth Motoren GmbH in the late 1930s, from the 4-cylinder HM 500 and used principally on the submarine-born Arado Ar 231.
References
- Nowarra, Heinz J. Die Deutsche Luftrustung 1933-1945 (Band 4). Bernard & Graefe Verlag. ISBN 3-7637-5468-7.