Start Date
4-1968 8:00 AM
Description
Multiple Saturn launches have been considered as a means of placing in earth orbit the system elements required for spacecraft planetary injection. With the S-II injection stage concept evolved for this purpose, the flyby mission spacecraft and injection stage (with hydrogen and without oxygen) are assembled in earth orbit. Tankers supply liquid oxygen to the injection stage.
The earth orbital mode of operation is based on delivery of payloads to orbit by use of a twostage Saturn V earth-launch system. To accomplish orbital operations, the current S-II stage can be modified for the injection stage application. Required changes are based on a minimum-modification approach. Fundamental to a S-IIB mode of planetary injection is a LOX tanker, Which is a new development. Studies show that the tanking mode offers program and mission flexibility and increased pay load margin.
The S-II Injection Stage for the Mars/Venus Flyby Mission
Multiple Saturn launches have been considered as a means of placing in earth orbit the system elements required for spacecraft planetary injection. With the S-II injection stage concept evolved for this purpose, the flyby mission spacecraft and injection stage (with hydrogen and without oxygen) are assembled in earth orbit. Tankers supply liquid oxygen to the injection stage.
The earth orbital mode of operation is based on delivery of payloads to orbit by use of a twostage Saturn V earth-launch system. To accomplish orbital operations, the current S-II stage can be modified for the injection stage application. Required changes are based on a minimum-modification approach. Fundamental to a S-IIB mode of planetary injection is a LOX tanker, Which is a new development. Studies show that the tanking mode offers program and mission flexibility and increased pay load margin.
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