gptkb:Concorde_development_program
|
2
|
gptkb:Crew_Return_Vehicle_prototype
|
3
|
gptkb:Irkut_MC-21
|
6
|
gptkb:Fairchild_Republic_T-46A
|
3
|
gptkb:MRJ
|
7
|
gptkb:MRJ_(SpaceJet)
|
5
|
gptkb:Leonardo_AW609
|
at least 4
|
gptkb:Chrysler_Turbine_engine_research_(1950s-1970s)
|
50 Chrysler Turbine Cars
|
gptkb:Starship_SN_series
|
over 15
|
gptkb:Atari_Cosmos
|
less than 10
|
gptkb:Pascal's_calculator
|
about 20
|
gptkb:Pascaline
|
about 20
|
gptkb:Altay_main_battle_tank_(prototype_phase)
|
4
|
gptkb:Altay_main_battle_tank
|
4
|
gptkb:KF-X
|
6
|
gptkb:Korean_Fighter_eXperimental_(KF-X)_program
|
6
|
gptkb:X-38_(Crew_Return_Vehicle,_canceled)
|
4
|
gptkb:Blaise_Pascal's_Pascaline
|
about 20
|
gptkb:HAL_Tejas_(naval_variant,_trials)
|
2
|