How many Tu-4 are there?
How many Tu-4 are there? Tupolev Tu-4 Tu-4 Produced 1949–1952 Number built 847 Developed from Boeing B-29 Superfortress Variants Tupolev Tu-70 Tupolev Tu-75 Tupolev Tu-80 Tupolev Tu-85 Is the TU-4 a copy of B29? The Tu-4 was a copy of the B-29 based on the reverse-engineering of several B-29s which were forced to land in […]