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The Hamburger Flugzeugbau Ha 137 was a German ground-attack aircraft of the 1930s. It was Blohm & Voss' entry into the contest to equip the re-forming Luftwaffe with its first purpose-built dive bomber. Although the contest would eventually be won by the Junkers Ju 87, the Ha 137 demonstrated that B&V's Hamburger Flugzeugbau, not even two years old at this point, had a truly capable design team of its own. One Ha 137 single-seat prototype competed against the Henschel Hs 123 at Rechlin.
The BMW 132 was a nine-cylinder radial aircraft engine produced by BMW starting in 1933.
The Junkers W 34 was a German-built, single-engine, passenger and transport aircraft. Developed in the 1920s, it was taken into service in 1926. The passenger version could take a pilot and five passengers. The aircraft was developed from the Junkers W 33. Further development led to the Junkers Ju 46.
The Arado V.1 was a prototype airliner, built in Germany in 1927. It was a single-engine, high-wing braced monoplane with tailwheel undercarriage. It made several long-distance flights, including carrying mail to South America, before being exhibited in Berlin in 1929, when it was bought by Deutsche Luft Hansa.
The Avia BH-33 was a biplane fighter aircraft built in Czechoslovakia in 1927. It was based on the BH-21J which demonstrated promising results by combining the original BH-21 airframe with a licence-built Bristol Jupiter radial engine. Other than the peculiar Avia hallmark of having an upper wing with a shorter span than the lower, it was utterly conventional, even featuring a tail fin for the first time in a Pavel Beneš and Miroslav Hajn design.
The Consolidated Model 17 Fleetster was a 1920s American light transport monoplane aircraft built by the Consolidated Aircraft Corporation.
The Faucett F-19 was a 1940s Peruvian eight-seat high-wing transport monoplane built by the airline Faucett Perú for its own use.
The Fokker F-14 was an American seven/nine passenger transport aircraft designed by Fokker and built by their Atlantic Aircraft factory in New Jersey.
The Fairchild 91,, was a single-engine eight-passenger flying boat airliner developed in the United States in the mid-1930s.
The Focke-Wulf A 17 Möwe was an airliner built in Germany in the late 1920s. It was a conventional high-wing cantilever monoplane with fixed tailwheel undercarriage. The aircraft provided fully enclosed seating for up to eight passengers and had a separate, fully enclosed flight deck for the two pilots. Most examples flew with Deutsche Luft Hansa, serving until around 1936. In the early 1930s, two A 17s were used for testing the Junkers Jumo 5 diesel engine.
The SIAI-Marchetti SM.102 was a 1940s Italian light transport cabin monoplane designed and built by SIAI-Marchetti.
The Heinkel HE 12 was a pontoon-equipped mail plane built in Germany in 1929, designed to be launched by catapult from a liner at sea.
The Junkers G 31 was an advanced tri-motor airliner produced in small numbers in Germany in the 1920s. Like other Junkers types, it was an all-metal, low-wing cantilever monoplane. In the mid-1920s, the all-metal construction and an aerodynamically 'clean' configuration were remarkable.
The Boeing AT-15 was an American twin-engined bomber crew trainer designed and built by Boeing's Wichita Division. Only two prototypes, designated XAT-15, were built. Plans to build over 1,000 were cancelled on the United States' entry into the Second World War.
The Kalinin K-5 was an airliner produced in the Soviet Union in the 1930s, built in larger quantities than any other Soviet airliner of its time, with some 260 aircraft constructed. It was a conventional, high-wing, strut-braced monoplane with a fully enclosed cabin and cockpit, and followed the general pattern developed by Kalinin in his earlier designs, though on a larger scale.
The Macchi MB.323 was an Italian single-engine basic training monoplane designed and built by Macchi. No orders were placed and only a prototype was built.
The Messerschmitt M 28 was a mail plane developed in Germany in the early 1930s to meet a requirement by Deutsche Luft Hansa. It was a single-engine, low-wing cantilever monoplane of conventional design with an enclosed cockpit and fixed, tailskid undercarriage.
The Bach Air Yacht was a trimotor airliner produced in the United States in the 1920s. Typical of its day, it was a high-wing braced monoplane, with fixed tailwheel undercarriage. Unusual for airliners of the late 1920s, the Air Yachts were constructed almost entirely of wood with steel fittings, undercarriage, and struts. Different models were powered by varying combinations of Wright, Ryan-Siemens, Kinner, Comet, and Pratt & Whitney engines, a large engine in the nose of the aircraft, and two smaller "helpers" under the wings in nacelles supported by struts. As with so many aircraft companies of the late 1920s, the Bach Aircraft Company succumbed to the Great Depression, thus further development of the Air Yacht was abandoned after the 3-CT-9.
The Douglas XT3D was an American three-seat torpedo bomber biplane developed by the Douglas Aircraft Company to meet a United States Navy requirement.
The Spartan C5 was a passenger and utility aircraft produced in small numbers in the United States in the early 1930s. It was a further, ultimately unsuccessful, attempt to market the Spartan C4, from which it was developed. Like its predecessor, the C5 was a high-wing, strut-braced monoplane with a fully enclosed cabin. Seating was increased to five places in place of the four seats of the C4. The C5 also incorporated a number of aerodynamic refinements, including a closely cowled engine and spatted mainwheels. The fuselage was constructed of welded steel tube and the wings from wood, and the whole aircraft covered in fabric. The empennage was also mostly constructed from wood, with metal ribs used in the fin and the whole assembly also covered in fabric.
References
- Smith, J Richard (1971). Messerschmitt an aircraft album. London: Ian Allan. ISBN 0-7110-0224-X.
- Szigeti, Marton (July 1998). "Messerschmitt History: Civil Projects". Flug Revue. Archived from the original on 2008-11-20. Retrieved 2008-10-24.
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. ISBN 0-7106-0710-5.
- The Illustrated Encyclopedia of Aircraft. London: Aerospace Publishing.