Lower thrust structure S/N 0000001 static structural test evaluation report Page: 51 of 53
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AXIAL SPRING CONSTANT
OVERALL SPRING CONSTAND
WHERE S T -S43
CYLINDER SPRING CONSTAND
CASE 10 KTOT -52.1x103
WHERE SCYL - 1( S + S7 + 10)
1.8 x 106 LB/IN
1.9 x 106 LB/IN
KCYL =83.3x103 = 2.7 x 106 LB/IN
CONE SPRING CONSTANT
CASE 1 KCONE 83.3x103
CASE 10 KCONE
= 5.5x106 LB/IN
= 7.4x106 LB/IN
WHERE 'CONE _ STOT ~ CYL
NOTES: 1. KCYL AND KCONE SHOULD BE CONSIDERED AS ONLY APPROXIMATE.
A CORRECTION FOR LOCAL RIM ROTATION WAS NOT APPLIED BECAUSE
OF INSUFFICIENT DATA.
2. SEE TABLE 6 AND FIGURE 12 FOR DEFLECTION DATA AND
APPLIED LOADS, RESPECTIVELY.
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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/m1/51/: accessed March 21, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.