On Mars by Ezell Edward Clinton; Ezell Linda Neuman; Dickson Paul & Linda Neuman Ezell

Author:Ezell, Edward Clinton; Ezell, Linda Neuman; Dickson, Paul & Linda Neuman Ezell
Language: eng
Format: epub
ISBN: 1900993
Publisher: Dover Publications
Published: 2012-10-11T04:00:00+00:00

Table 47

Viking Demonstration and Training Tests

Date Test Nature and Results

2 July DT-2 Processing uplink commands to lander through orbiter for cruise checkout. Data processing went well, but flight team needed more training.

13 July DT-3 Fifty-hour cruise operation test culminating mock midcourse maneuver. Working around the clock, flight team met several problems. Successful test.

25-26 July DT-1 Three-part exercise. Part 1 covered spacecraft powerup through launch to 6 hours into mission. Part 2 covered midcourse maneuver. Part 3, conducted at request of Deep Space Network personnel, covered lander memory-readout sequence. All 3 parts successful.

10 July TT-1 Simulation of midcourse maneuver with simulated emergencies. Not successful.

28 July TT-1 rerun Successful retest of TT-1.

SOURCE: R. D. Rinehart and H. Wright, “Daily KSC Status (FAX),” memos dated 23, 24, 25, and 26 June 1975; and VPO, “Mission Operations Status Bulletin,” no. 7, 23 June 1975, and no. 8, 8 July 1975.

During the last week before liftoff, final preparations were made:

29 July Orbiter precountdown checkout and lander cruisemode monitoring tests completed.

30-31 July Lander computer prelaunch checkout.

1 August Composite electrical readiness test completed.

2 August Super Zip installed on Viking A shroud. (Super Zip is a linear explosive charge used to separate the clamshell halves of the shroud after launch.)

3 August Pyrotechnic ordnance devices installed on Viking A.

6-7 August Propellants loaded into Titan IIIE launch vehicle.

Download

Copyright Disclaimer:
This site does not store any files on its server. We only index and link to content provided by other sites. Please contact the content providers to delete copyright contents if any and email us, we'll remove relevant links or contents immediately.