  heinkel flugzeugwerke () was a german aircraft manufacturing company founded by and named after ernst heinkel. it is noted for producing bomber aircraft for the luftwaffe in world war ii and for important contributions to high-speed flight, with the pioneering examples of a successful liquid-fueled rocket and a turbojet-powered aircraft in aviation history, with both heinkel designs' first flights occurring shortly before the outbreak of world war ii in europe. ==history== following the successful career of ernst heinkel as the chief designer for the hansa-brandenburg aviation firm in world war i, herr heinkel's own firm was established at warnemÃ¼nde in 1922, after the restrictions on german aviation imposed by the treaty of versailles were relaxed. the company's first great success was the design of the heinkel he 70 blitz high-speed mail plane and airliner for deutsche luft hansa in 1932, which broke a number of air speed records for its class. it was followed by the two-engine heinkel he 111 doppel-blitz, which became a mainstay of the luftwaffe during world war ii as a bomber. heinkel's most important designers at this point were the twin gÃ¼nter brothers, siegfried and walter, and heinrich hertel. the firm's headquarters was in rostock later known as heinkel-nord (heinkel-north), possessing a factory airfield in the northwestern, coastal schmarl neighborhood of the city (then known as "marienehe") with an additional heinkel-sÃ¼d facility in schwechat, austria, after the anschluss in 1938. thumb|left|ruins of the heinkel headquarters in rostock the heinkel company is most closely associated with aircraft used by the luftwaffe during world war ii. this began with the adaptation of the he 70 and, in particular, the he 111, to be used as bombers. heinkel also provided the luftwaffe's only operational heavy bomber, the heinkel he 177, although this was never deployed in significant numbers. the german luftwaffe equipped both of these bombers with the z-gerÃ¤t, y-gerÃ¤t, and k
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