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Heinkel He 70 | bgcolor="#87CEEB" colspan="3" align="center" style="border-bottom:3px solid"|Heinkel He 70F | | olspan="3" align="center"|300px | | gcolor="#87CEEB" colspan="3"|Description | | ole | colspan="2"|Reconaissance Bomber | | rew | colspan="2"|2 | | irst Flight | colspan="2"|December 1, 1932 | | anufacturer | colspan="2"|Heinkel | | gcolor="#87CEEB" colspan="3"|Dimensions | | ength | 12 m | 39 ft 4.5 in | | ingspan | 14.80 m | 48 ft 6.75 in | | eight | 3.1 m | 10 ft 2 in | | ing Area | N/A | | gcolor="#87CEEB" colspan="3"|Weights | | mpty | 2360 kg | 5,203 lb | | oaded | 3460 kg | 7,630 lb | | gcolor="#87CEEB" colspan="3"|Powerplant | | ngine | colspan="2"|BMW VI 7.3 12-cylinder water-cooled vee | | ower | 750 hp | | | gcolor="#87CEEB" colspan="3"|Performance | | aximum speed | 360 km/h | 224 mph | | ange | 900 km | 559 miles | | ervice ceiling | N/A | | gcolor="#87CEEB" colspan="3"|Armament | | olspan="3"|One 7.92mm MG 15 machine gun aimed from rear cockpit Six 110 lb. (50 kg) or twenty four 22 lb. (10 kg) bombs internally | | gcolor="#87CEEB" colspan="3"|He 70 | | olspan="3" align="center"|300px | The Heinkel He 70 Blitz was designed in the early 1930s to serve as a fast mailplane for Deutsche Lufthansa. Although useful, it had a relatively brief commercial career before it was replaced by types which could carry more passengers. As a combat aircraft it was a not a great success because it rapidly became outdated. Nevertheless, the He 70 was a brilliant design for its day, setting no fewer than eight world speed records by the beginning of 1933. The main characteristics of its revolutionary design were its elliptical wing, which the Gnther brothers had already used in the Bumer Sausewind sports plane before they joined Heinkel, and its small, rounded control surfaces. The He 70 is known mainly as the direct ancestor of the famous Heinkel He 111 which used its distinctive oval wings and streamlined fuselage in a twin-engine configuration. One can also see the close similarity of the designs in the tail section and cockpit of the early He 111. The He 111, which began service with the Luftwaffe in 1936, went on to become the major bomber type in the early years of World War II. Heinkel's pioneering design was also a model for the Heinkel He 112 fighter which competed unsuccessfully against the Messerschmitt Bf 109 to become the Luftwaffe's first monoplane fighter. The He 112 was nonetheless built in small numbers and its performance proved once again the strength of the He 70's original design. The fighter was basically a scaled down version of the He 70 and shared its all-metal construction and inverted gull-wings. The He 70 was imported to Japan for study and inspired the Aichi D3A (Val) carrier-launched light bomber. This plane too shared the He 70's distinctive low-mounted oval wings and was only one of several collaborations between Heinkel and the Japanese aviation industry. While the He 70 saw only limited service in training capacities during World War II, it served as the antecedent for the majority of bombers involved in both the Battle of Britain and the Attack on Pearl Harbor.
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