#
#  Yang & Tsai Data
#  Mean pressure 2mm slit V gutter
#
#  x= 70 mm
#
#  y (mm)   P
  30         7.6
  28         7.2
  26         6.5
  24         5.6
  22         5.2
  20         4.6
  18         3.8
  16         2.9
  14         2.3
  12         1.4
  10         0.2
   8        -0.5
   6        -1.1
   4          -2
   2        -3.1
   0        -3.8
  -2          -4
  -4        -3.9
  -6        -3.2
  -8        -2.4
 -10        -1.2
 -12        -0.3
 -14         0.8
 -16         2.1
 -18         3.1
 -20         4.1
 -22           5
 -24         5.7
 -26         6.2
 -28         6.9
 -30         7.3