#
#  Yang & Tsai Data
#  Mean pressure 4mm slit V gutter
#
#  x= 60 mm
#
#  y (mm)   P
  30      -2.4
  28      -2.5
  26      -2.8
  24      -3.3
  22      -3.8
  20      -4.3
  18      -4.5
  16      -5.1
  14      -5.6
  12      -5.7
  10      -6.4
   8      -6.4
   6      -6.5
   4      -6.4
   2      -6.4
   0      -6.6
  -2      -6.8
  -4      -7.2
  -6      -7.6
  -8      -7.9
 -10      -8.1
 -12      -7.8
 -14        -7
 -16      -6.5
 -18      -5.7
 -20        -5
 -22        -4
 -24      -3.3
 -26      -2.7
 -28      -2.2
 -30      -1.8