Uncommon grouping of four working photocopied General Dynamics folders from the Convair Aerospace Division, each consisting of one or more comprehensive reports relative to the testing and progress of the Centaur-D, the first version of the Centaur rocket to enter operational service.
The first binder includes the following reports (Date, Subject, Effectivity): May 24, 1973, Flight Constants Policy (D-1A (AC36 and on) and D-1T (TC-1 and on)); September 13, 1972, DCU Telemetry Data Processing Requirements (D-1 Centaur); March 30, 1972, DCU Telemetry Interrupt Processor Requirements (D-1 Centaur); March 15, 1972, Flight Initialization Software for D-1A (D-1A); September 23, 1971, Angle Re-entrant Subroutine (D-1 Centaur); December 17, 1971, Sine, Cosine Re-Entrant Subroutine (D-1 Centaur); December 17, 1971, Square Root Re-Entrant Subroutine (D-1 Centaur); February 9, 1971, Dot Product Re-Entrant Subroutine (D-1 Centaur); June 14, 1971, Vector Cross Product Re-Entrant Subroutine (D-1 Centaur); June 24, 1971, Matrix/Vector Multiply Re-Entrant Subroutine (D-1 Centaur); September 1, 1971, Discrete Priority Requirements (D-1 Centaur); October 17, 1971, Preprogrammed Booster Steering Requirements for Titan (D-1T); and June 6, 1972, Powered Phase Autopilot—D-1A/INTELSAY (D-1A Centaur)
The second binder, as follows: March 3, 1972, DCU Telemetry Data Formatter Software Requirements, and Inflight Data Formats (D-1A Centaur); April 4, 1973, Titan Steering Flight Software, Stages 0, 1, 2 (D-1T Proof Flight); and June 18, 1973, TC-1 Powered Guidance Equations (Pre-MECO 3) (D-1T).
The third binder: March 13, 1972, Sequencing Software Requirements—Pioneer G (D-1A Centaur); March 15, 1972, Atlas/Centaur/Pioneer G Guidance Equation Mission Peculiar Requirements (D-1A); April 5, 1972, Steering Interface—D-1A/Pioneer G (D-1A Centaur); and March 3, 1972, Atlas/Centaur/Pioneer G Post Injection Design Requirements (D1-A).
The fourth binder consists of a single report: March 12, 1973, AC-30 Pioneer G Flight Program; Definition Test Plan and Test Results (D-1A Centaur). Includes a ATLAS/Centaur promotional pamphlet from General Dynamics Convair Division. In overall very good to fine condition.
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