Public available 1960s NASA 1000kN J2 rocket engine operator and maintenance manuals, plus illustrated parts catalogue

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m13katyusa2020

Senior Airman
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Mar 26, 2022
J2 engine is a LHX-LOX engine used on the 2nd stage and 3rd stage of Saturn V, with a capability of restarting in the space flight at almost 0g and in vacuum.
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PropellantLiquid oxygen / Liquid hydrogen
Mixture ratio5.5:1
CycleGas generator
Nozzle ratio27.5:1
Thrust, vacuum1,033.1 kN (232,250 lbf)
Thrust, sea-level486.2 kN (109,302 lbf)
Thrust-to-weight ratio73.18
Chamber pressure5,260 kilopascals (763 psi)
Specific impulse, vacuum421 seconds (4.13 km/s)
Specific impulse, sea-level200 seconds (2.0 km/s)
Burn time500 seconds
Length3.4 metres (11.1 ft)
Diameter2.1 metres (6.8 ft)
Dry weight1,788.1 kilograms (3,942 lb)
References[1][2][3]
NotesData is for SA-208/SA-504 version.

J2 unclassified engine design FACT SHEET:
alternate link:

J2 engine NASA maintenance manuals in 7 volumes:

alternate link with access code 1234

J2 engine illustrated parts catalogue:

alternate link with access code 1234

J2 engine other manuals:
alternate links:

All the public manuals are in this folder:
alternate link:
or here:

another alternate link with access code 1234

Disclaimer: These items are shared for reference, sharing for non-profitable use only.
This manuals and blueprints are not meant to be used for current update material for certification / repair, but make an excellent reference for the scholar, collector, modeler or aircraft buffs .... For proprietary reasons we generally only provide manuals on long-time out-of-production Aircraft / Engines / Helicopter. The information is for reference only and we do not guarantee the accuracy or currency of any manuals.

Reference herein to any specific commercial products by trade name, trademark, manufacturer, or otherwise, is not meant to imply or suggest any endorsement by, or affiliation with that manufacturer or supplier. All trade names, trademarks and manufacturer names are the property of their respective owners.
 

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