#
#  Yang & Tsai Data
#  Mean pressure 1mm slit V gutter
#
#  x= 70 mm
#
#  y (mm)   P
  30       8.3
  28         8
  26       7.5
  24       6.6
  22         6
  20         5
  18       4.1
  16       3.4
  14       2.1
  12       1.2
  10      -0.1
   8      -0.8
   6      -1.8
   4      -2.2
   2      -2.4
   0      -2.1
  -2      -1.7
  -4      -0.9
  -6      -0.3
  -8       0.7
 -10       1.8
 -12       3.1
 -14       3.8
 -16       4.7
 -18       5.5
 -20       6.3
 -22       6.8
 -24       7.5
 -26       8.1
 -28       8.7
 -30       9.2