heinkel he 274造句

• It was at the " Heinkel-Sud " offices that Dr . Heinkel worked on the Heinkel He 274 four-engined high-altitude heavy bomber design-as one of the trio of proposals for aircraft designs to succeed his firm's failed Heinkel He 177A heavy bomber  until the war ended.
• With the failure of Bomber B, four engine versions of the He 177  which had first begun to be officially considered as early as October 1941 with the " He 177H " paper-only derivative, the direct ancestor of the Heinkel He 274 high-altitude design project  were finally considered as replacements for the mainline variants of the He 177A itself through most of 1943.
• The He 177B, the later Heinkel He 274 high-altitude design; and by February 1943, the paper-only Heinkel He 277 " Amerika Bomber "  as the Heinkel firm's trans-Atlantic range design competition's candidate, forming the eventual trio of " four-engine " development programs emerging from the He 177A design, each being done entirely separate from the others  came the closest to providing the Luftwaffe with a true heavy bomber from the Heinkel firm's engineering departments.