YLR45AJ-3 Aerojet Nitric acid/Kerosene rocket engine. F-84 ATO. Out of Production. Development begun 1948. Bleed air drive, droppable acid tanks, ceramic chamber with oval throat, 60 second duration, reusable 50 times |
YLR45-AJ-1 Aerojet Nitric acid/Kerosene rocket engine. B-47C ATO. Out of Production. Development begun August 1948. Turbojet engine bleed air drive for turbopump. Fixed internal acid tanks, regenerative cooling. |
YLR63AJ-3 Aerojet Nitric acid/UDMH rocket engine. F-86. Out of Production. Development begun 1953. Superperformance, modification of YLR45AJ-3 with gas generator turbine drive, 6 restarts. |