Page 64 - Final Report - KAUSC Team
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KAUSC Team

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                  1  ((4(        )2                             (4(          )2                            1
                                     + 3(          )2)0.5                                                  )2)0.5 3
    =   16   3                                               +                           + 3(                     )  (18)
       (    )                                                                                  

                         3  =        32    ((             )  +  √3  (                ))  (19)
                                                                2

                         3 =         32   2.2  104.5 √3 3  15.04
                                            (( 200  106 ) + 2 (400  106))

                                                    = 4,    = 37     
                                                    = 3,    = 34     
                                            For optimum shaft design n=2

                                                       D = 30 mm
Second run
The second is by applying the material that is found in local market. (AISI 4130)

Tensile strength = 1050 MPa
Yield strength = 985 MPa
Elongation = 14.1 %

                                          =                           ′    (20)

                            = 0.922,      = 0.862,   ′   = 1000       

                                                = 0.922  0.862  1000

                                                = 794.764       

                         3  =        32   2.2  104.5 √3 3  15.04
                                            ((794.764  106) + 2 (1050  106))

                                     For optimum shaft design d = 35 mm
                                                       n = 13

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