Re: He 177 and 277 performance difference
Erhard Milch was perhaps part of the problem too for he had a reputation for pressuring aircraft manufacturers to rush aircraft into production before they were truly ready.
Many of the delays with the He-177A stemmed from attempts to correct engine problems and in particular a technical fix for foaming oil. There was a significant pause in development flying in which the aircraft was grounded waiting for a fix to the engines.
It was during this time in late 1940 that Heinkel began pressing for a conventional engine layout with DB 603 engines.
Ironically the He-177B had problems of it's own because with all four propellers spinning the same way it encountered significant torque issues and required development of a twin finned tail.
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