MLenoch wrote:

Did they not build their own version of the B-29, based on the blueprints
they

constructed of the model they had at hand?


I do not believe they had any blueprints. The Tu-4 was completely reverse
engineered.
VL



I don't think they had blueprints of the original. However, the reverse engineering process undoubtedly

included making their own blueprints based on the actual aircraft (most
likely in metric units BTW).

Regards,
Ralph Savelsberg