Lower thrust structure S/N 0000001 static structural test evaluation report Page: 6 of 53

RN-S-0216
CONTENTS
Page
ABSTRACT ii
I. INTRODUCTION 1
II. TEST PROGRAM OBJECTIVES 3
III. DESCRIPTION OF TEST 5
A. TEST ASSEMBLY 5
B. INSTRUMENTATION 9
C. TEST OPERATIONS 15
TV EXPERIMENTAL RESULTS 17
A. LOADS 17
B. STRAIN DISTRIBUTION 19
C. DEFLECTION 35
D. STRESSCOAT 39
V. EVALUATION AND CONCLUSIONS 41
A. DISCUSSION 41
1. Structural Integrity 41
2. Axial and Lateral Stiffness 42
3. Thrust Alignment 44
4. Design Improvement 44
5. Theoretical Analysis 44
Po CONCLUSIONS 45
TABLES
Table Page
i Measured UTS Biaxial Stresses at Maximutm load 20
2 Measured Uniaxial Stresses Adjacent Reinforced Cutouts 21
3 TVC Actuator Support Axial Loads and Stresses 30
4 Comparison of TVC Actuator Support Axial and Bending 33
Stresses
5 Summary of Clamp Stresses 3h
6 rustrum and TVC Actuator Support Deflections at Maximum 36
Test Load
7 Axial Spring Constant 43

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Lower thrust structure S/N 0000001 static structural test evaluation report, report, April 1, 1965; Sacramento, California. (https://digital.library.unt.edu/ark:/67531/metadc1024652/m1/6/ocr/: accessed April 26, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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