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The microgravity environment of the Space Shuttle Columbia middeck during STS-32Four hours of three-axis microgravity accelerometer data were successfully measured at the MA9F locker location in the Orbiter middeck of Columbia as part of the Microgravity Disturbances Experiment (MDE) on STS-32. These data were measured using the Honeywell In-Space Accelerometer, a small three-axis accelerometer that was hard-mounted onto the Fluid Experiment Apparatus to record the microgravity environment at the exact location of the MDE. Data were recorded during specific mission events such as Orbiter quiescent periods, crew exercise on the treadmill, and numerous Orbiter engine burns. Orbiter background levels were measured to be in the 3 x 10(exp -5) to 2 x 10(exp -4) G range, treadmill operations in the 6 x 10(exp -4) to 5 x 10(exp -3) G range, and Orbiter engine burns from 4 x 10(exp -3) to in excess of 1 x 10(exp -2) G. These data represent some of the first microgravity accelerometer data ever recorded in the middeck area of the Orbiter.
Document ID
Document Type
Technical Publication (TP)
Dunbar, Bonnie J. (NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Thomas, Donald A. (NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Schoess, Jeff N. (Honeywell, Inc., Bloomington MN., United States)
Date Acquired
September 6, 2013
Publication Date
November 1, 1991
Subject Category
Report/Patent Number
NAS 1.60:3140
Distribution Limits
Work of the US Gov. Public Use Permitted.

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