R-4D

Summary

R-4D is an engine family^[1]. R-4D draws 101 Wikipedia views per month (engine_family category, ranking #167 of 345).^[2]

Key Facts

• R-4D's image is recorded as Apollo RCS quad.jpg^[3].
• R-4D's instance of is recorded as engine family^[4].
• R-4D's manufacturer is recorded as Marquardt Corporation^[5].
• R-4D's manufacturer is recorded as Aerojet Rocketdyne^[6].
• R-4D's subclass of is recorded as liquid propellant rocket engine^[7].
• R-4D's has use is recorded as reaction control system^[8].
• R-4D's has use is recorded as apogee kick motor^[9].
• R-4D's Commons category is recorded as R-4D (rocket engine)^[10].
• R-4D's country of origin is recorded as United States^[11].
• R-4D's has part is recorded as R-4D-11^[12].
• R-4D's has part is recorded as R-4D-15 HiPAT^[13].
• +1960-00-00T00:00:00Z marks the founding of R-4D^[14].
• R-4D's source of energy is recorded as hypergolic propellant^[15].
• R-4D's Freebase ID is recorded as /m/010gr_7p^[16].
• R-4D's used by is recorded as Apollo Command and Service Module^[17].
• R-4D's used by is recorded as Apollo Lunar Module^[18].
• R-4D's used by is recorded as Cassini^[19].
• R-4D's used by is recorded as Solar Dynamics Observatory^[20].
• R-4D's used by is recorded as Automated Transfer Vehicle^[21].
• R-4D's used by is recorded as H-II Transfer Vehicle^[22].
• R-4D's used by is recorded as Lunar Atmosphere and Dust Environment Explorer^[23].
• R-4D's used by is recorded as European Service Module^[24].
• R-4D's used by is recorded as communications satellite^[25].

Why It Matters

R-4D draws 101 Wikipedia views per month (engine_family category, ranking #167 of 345).^[2] R-4D has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.^[26]