LIST OF TABLES Table p 2-1 Time, displacement, velocity and acceleration at different positions o f lay er 1 ........................................................................... 2 8 2-2 Time, displacement, velocity and acceleration at different positions o f lay er 2 ........................................................................... 2 9 2-3 Force on the hinge at different positions of layer 1 ............................................31 2-4 Force on the hinge at different positions of layer 2 ............................................31 2-5 Time, displacement, velocity and acceleration at different positions of the tent for a single stage deployment for tent.....................................................32 3-1 Time, displacement, velocity and acceleration at different positions o f lev el 1 .......................................................................... 5 1 3-2 Time, displacement, velocity and acceleration at different positions o f lev el 2 .......................................................................... 5 1 3-3 Force on the hinge at different positions of level 1 ............................................53 3-4 Force on the hinge at different positions of level 2 ............................................53 3-5 Time, displacement, velocity and acceleration at different positions of the mast for a single stage deployment for mast.................................... .............54 4-1 Stiffness and mass comparison of three different masts.......................................61