The second of two XB-47D conversions to fly (51-2046)
The first conversion (51-2103). These were essentially power plant test-beds without any potential operational application.
The first XP6M-1 Seamaster, which was lost as a result of accidents within a few months of its initial flight.
The first XP6M-1 Seamaster, which was lost as a result of accidents within a few months of its initial flight.
The first YP6M-1 which introduced canted engine nacelles with frontally aligned air intakes
The second P6M-2, only three examples of this version being flown before cancellation of the programme.
The second XP6M-1 Seamaster, which was lost as a result of accidents within a few months of its initial flight.
The general arrangement drawings below depict the XP6M-1 (left) and the definitive P6M-2 (right) and from which it will be seen that very considerable redesign of the Seamaster. Noteworthy changes include the elimination of the wing anhedral and the installation of non-afterburning engines in deeper, canted nacelles.
