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heinkel he 277

The Heinkel He 277 was a four-engine, long-range heavy bomber design, a derivative of the He 177, intended for production and use by the German Luftwaffe during World War II. [11], In a May 1943 Heinkel factory document showing possible offensive bombload configurations and flight consumable (fuel, etc.) ft.) wing area of 45 meter (147 ft 7 in) span to possibly accommodate either four Jumo 222s or six BMW 801s. The main difference was in engine configuration. (The German language edition of this book bears the title "Heinkel He 177-277-274: Eine luftfahrtgeschichtliche Dokumentation", and was published in 1989, as most likely the "original" version of this reviewed English-language version of it - the earlier German edition bears the "longer ISBN number" of 978-3613012998.) The first development of the original He 177A to fly with four "individual" engines - using a quartet of He 219-style annular radiators to cool its Daimler-Benz DB 603 powerplants - was the second He 177B prototype, the He 177 V102, on December 20, 1943.[10]. The cockpit's fully glazed front section somewhat resembled an aerodynamically refined, rounded-off well-framed version of the Bristol Blenheim Mk.I's fully glazed "stepless" nose shape. (Showcased performance values pertain to the, (Showcased armament details pertain to the. The Me 264 was a purpose-built long range bomber, using a tricycle landing gear configuration from the start. 159 & 184. ft.) "shoulder mount", 40 meter (131 ft 3 in) span wing design, four separate BMW 801E powerplants of 1,471 kW (2,000 PS, 1,973 hp) output each at take-off, with each engine turning a propeller of up to four meters in diameter. Throughout the time that the He 277 design was being worked on, Ernst Heinkel was facing competition from other developing heavy bomber designs, and large four-engined aircraft proposals that showed promise as heavy bombers, from Focke Wulf (the Fw 300, and later, the Ta 400), Junkers (the Ju 390), from Messerschmitt AG (the Me 264), and from his own firm's He 274 four-engined, high-altitude development of the He 177. Please direct all other inquiries to militaryfactory AT gmail.com. The lightest warload of six 500 kg (1,100 lb) SC 500 bombs for each bomb bay configuration, gave the tricycle-geared, 1.9 meter exterior width wider-fuselage version, considering a larger load (12,200 kg/26,895 lb) of fuel, a possible stated maximum range of 11,100 km (6,900 mi), equalling the potential range capability of the earlier-designed Me 261, an indicator of what could have been achieved had the 277 been in full consideration from its beginnings for the Amerika Bomber design competition. [8] The Heinkel firm started work on the He 177B as a straightforward, separately four-engined development of the 177A under the B-series designation at least as early as the late summer of 1943, when official Heinkel documents began referring to the He 177B, evidenced from an August 1943-dated, Heinkel factory-created general arrangement drawing of the He 177 V101 being labeled with the 8-177 RLM designation for the entire line of Greif airframes, and "B-5" elsewhere in the drawing's title block, as a fully RLM approved development of the original He 177 aircraft line,[9] and not in any way directly related to the entirely separate He 277 advanced bomber design project, which by the summer of 1943 was considered to be Heinkel's Amerika Bomber aviation contract contender. The four-engined Me 264's development, because of the need to use scarce strategic materials in its construction, and because of the better performance estimates that the Focke-Wulf Ta 400 and He 277 possessed, was stopped in May 1943. A unique compound engine arrangement was featured which coupled a pair of Daimler-Benz DB605 inline engines (as the DB610) but these proved prone to catching fire and several prototypes were lost in development. [21] Two prototype Ju 488s had been completed by the start of the summer of 1944, but were each sabotaged to unairworthy status by the French resistance by mid-July 1944, before either one had ever been flown. The first of these designs that the He 277 was pitted against, mostly to determine the "most producible" bomber that could also be license-built, given Germany's limited aircraft production capacity to arm the Luftwaffe with, and partially to determine the best long-range bomber design to fulfill the needs of the spring 1942-issued Amerika Bomber program documents, the Messerschmitt Me 264 ended up being the first design to challenge the He 277's chance for production.

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