|
gptkb:Convair_Model_200
|
not built
|
|
gptkb:Mitsubishi_1MF10
|
not adopted for service
|
|
gptkb:T-43
|
not mass-produced
|
|
gptkb:XJ41
|
never produced
|
|
gptkb:Westinghouse_Skybus
|
not implemented in Pittsburgh
|
|
gptkb:X-50_Dragonfly
|
unsuccessful
|
|
gptkb:Convair_Model_48_Charger
|
cancelled
|
|
gptkb:McDonnell_XF-85_Goblin
|
unsuccessful
|
|
gptkb:Douglas_X-3_Stiletto
|
did not achieve sustained supersonic flight in level flight
|
|
gptkb:Northrop_YF-23
|
not selected for production
|
|
gptkb:Chrysler_Turbine_Car
|
not mass produced
|
|
gptkb:Osborne_Reef
|
environmental failure
|
|
gptkb:CDC_8600
|
canceled due to technical difficulties and cost
|
|
gptkb:Lockheed_Martin_F-23_Black_Widow_II
|
not selected for production
|
|
gptkb:Chrysler_Turbine_engine_research_(1950s-1970s)
|
project discontinued
|