DECKMASTER
2.0
ANALYTICAL RELATIONSHIPS(continued)
Stress in band = T
wt
= 19,950
(3.75)(0.375)
= 14,187 psi
3.0
BRAKING FORCE
T2 = 3,550
Using a 2" x 1"x 6: stroke hydraulic cylinder (see appendix 31D) and a 1:1 linkage ratio, the pressure
required to exert a 3,550 lbs force by the cylinder is 1550 psi. To be conservative and to account for
linkages losses, the hydraulic cylinder/pump system that actuates the band brake (shown below) is capable
of operating at pressures up to 3000 psi.
2-16
