Inner Hull Outer Hull Bulkheads Minor Stiffeners (Hulls) Minor Stiffeners (Bulkheads) Major "T" Stiffeners Fasteners Total Hull Mass (Kg) TABLE 7.2: DIMENSIONS, STRESS LEVELS, MASSES t(cm) o 0 (N/m 2 ) (psi) normal 1.74xl0 7 ( 2520) 2. 4 5xl0 B (35', 600) 1. 4lxl0 7 ( 20 50) Cross Section (cm) 4xl6 3xl2 cap - 44 cm flange - 20 cm thickness> 4 cm diameter - 4 cm o 0 (N/m 2 ) (psi) failure 4.57xlo 8 (66,300) 5.15xl0 8 (74,800) 3.55xl0 8 (51,459) Mass (Kg) 5,93xl0 7 6.43xl0 7 2.55xlo 7 Mass (Kg) :-' 3.96xl0 7 -.J 0 6.llxl0 6 4,77xl0 6 2.0 xl0 8
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