Missions, propulsion, and flight time (1 Apr 1960 Jahr – 3 Mai 1960 Jahr)

Beschreibung:

STG's Robert 0. Piland, during briefings at NASA Centers, presented a detailed description of the guidelines for missions, propulsion, and flight time in the advanced manned spacecraft program :
(1) The spacecraft should be capable ultimately of manned circumlunar reconnaissance. As a logical intermediate step toward future goals of lunar and planetary landing many of the problems associated with manned circumlunar
flight would need to be solved.
(2) The lunar spacecraft should be capable of earth orbit missions for initial evaluation and training. The reentry component of this spacecraft should be capable of missions in conjunction with space laboratories or space stations.
To accomplish lunar reconnaissance before a manned landing, it would be desirable to approach the moon closer than several thousand miles. Fifty miles appeared
to be a reasonable first target for study purposes.
( 3) The spacecraft should be designed to be compatible with the Saturn C-1 or C-2 boosters for the lunar mission. The multiman advanced spacecraft should not weigh more than 15,000 pounds including auxiliary propulsion and
attaching structure.
( 4) A flight-time capability of the spacecraft for 14 days without resupply should be possible. Considerable study of storage batteries, fuel cells, auxiliary power units, and solar batteries would be necessary. Items considered included
the percentage of the power units to be placed in the "caboose" (space laboratory), preference for the use of storage batteries for both power and radiation shielding,
and redundancy for reliability by using two different types of systems versus two of the same system.

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