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RISNASA-LLIS-0465: Lessons Learned - Crimped Electrical Connections - Scout Program
Abstract: Description of Driving Event:
Functional failures were attributed to varying resistance values through crimped electrical connections (contacts, splices, terminals). The variation was from several ...
Functional failures were attributed to varying resistance values through crimped electrical connections (contacts, splices, terminals). The variation was from several ...
NASA-LLIS-5377: Lessons Learned – Human Factors and the Space Flight Awareness (SFA) Employee Motivation and Recognition Program
Abstract: Although the term "human factors" was not widely used during the Apollo program, the concepts were well defined, especially for the displays and controls requirements for the spacecraft. There was a significant emphasis ...
NASA-LLIS-1180: Lessons Learned - TDRS-H S-Band Multiple Access Antenna Performance Shortfall
Abstract: Description of Driving Event:
The TDRS-H was launched on June 30, 2000. The satellite is the first of a new series of Tracking Data Relay Satellites. The satellite incorporated a number of new communication ...
The TDRS-H was launched on June 30, 2000. The satellite is the first of a new series of Tracking Data Relay Satellites. The satellite incorporated a number of new communication ...
NASA-LLIS-0274: Lessons Learned – Mars Observer Payload Data System (PDS) Exposure to Low Temperature
Abstract: Abstract:
During thermal vacuum testing of the flight Mars Observer PDS, the subsystem was exposed to a temperature of about -47 degrees Celsius, well below the desired limit of -20 degrees C. The ...
During thermal vacuum testing of the flight Mars Observer PDS, the subsystem was exposed to a temperature of about -47 degrees Celsius, well below the desired limit of -20 degrees C. The ...
NASA-LLIS-0157: Lessons Learned - External Tank (ET) Vent Deceleration Unit.
Abstract: Description of Driving Event:
The external tank's gaseous hydrogen vent arm provides for venting of the LH2 tank, pneumatics, and electrical services to the ground umilical carrier. The deceleration ...
The external tank's gaseous hydrogen vent arm provides for venting of the LH2 tank, pneumatics, and electrical services to the ground umilical carrier. The deceleration ...
NASA-TM-87659: Supersonic axial-force characteristics of a rectangular-box cavity with various length-to-depth ratios in a flat plate
Abstract: A wind-tunnel investigation has been conducted at Mach numbers of 1.50, 2.16, and 2.86 to obtain axial-force data on a metric rectangular-box cavity with various length-to-depth ratios. The model was tested at angles of ...
NASA NPD 7500.1 REV C: Program and Project Life-Cycle Logistics Support Policy
Abstract: APPLICABILITY
a. This NPD is applicable to NASA Headquarters, NASA Centers, including Component Facilities, and Technical and Service Support Centers.
b. This language applies to JPL, other ...
a. This NPD is applicable to NASA Headquarters, NASA Centers, including Component Facilities, and Technical and Service Support Centers.
b. This language applies to JPL, other ...
NASA NPD 7100.8 REV E: Protection of Human Research Subjects
Abstract: APPLICABILITY
This NPD applies to NASA Headquarters and all NASA Centers, including Component Facilities, and will be followed by all members of the research teams in all research experiments involving ...
This NPD applies to NASA Headquarters and all NASA Centers, including Component Facilities, and will be followed by all members of the research teams in all research experiments involving ...
NACA-TR-548: Effect of tip shape and dihedral on lateral-stability characteristics
Abstract: This report presents the results of wind tunnel tests to determine the effect of wing-tip shape and dihedral on some of the aerodynamic characteristics of Clark Y wings that affect the performance and lateral stability of ...
NASA-LLIS-0622: Lessons Learned – Use of Obsolescent Test Facilities Pose Risk to Hardware (1997)
Abstract: Abstract:
Cassini: At the beginning of Assembly, Test, and Launch Operations (ATLO), vibration testing of the massive Cassini spacecraft was performed using facility test equipment that was barely up ...
Cassini: At the beginning of Assembly, Test, and Launch Operations (ATLO), vibration testing of the massive Cassini spacecraft was performed using facility test equipment that was barely up ...