C = 0.15;  %O-Ring Compression
fc = 2;  %lbs/inch due to length  Table 5-9, (pg 5-9) Parker O-Ring Book
fh = 18; %lbs/in^2 due to area  Table 5-10, (pg 5-9) Parker O-Ring Book


W = .103;  %O-Ring Size (diameter in inches)
A = .8:.1:4.8  %Bore Diameter
B1 = A-(1-C)*W;

Fs = 18*pi*A+2*(pi/4)*(A.^2-(A-0.5*.21).^2)