X35AL-6000 Aerojet rocket engine. Development begun November 1942. |
XCALT-6000 Aerojet Nitric acid/Amine rocket engine. Conservative alternate to Aerotojet for XP-79 flying wing rocket fighter. Successfully tested in August 1945, but project cancelled. Regeneratively cooled, 4 thrust chambers, pump-fed. |
300LR-200 Aerojet Nitric acid/Amine rocket engine. Development begun January 1943. Planned successor to XCALT-6000, developed under 'Project X' for the Northrop XP-79 Flying Wing rocket fighter. First flight 1945. |