ANGLE    CALC     HEIGHT
     2.5 sin(2.5)1   5.114
       5 sin(5)117  10.219
     7.5 sin(7.5)1  15.304
      10 sin(10)11   20.36
    12.5 sin(12.5) 25.3775
      15 sin(15)11  30.346
    17.5 sin(17.5)  35.257
      20 sin(20)11    40.1
    22.5 sin(22.5)  44.869
      25 sin(25)11  49.551
    27.5 sin(27.5)   54.14
      30 sin(30)11  58.625
    32.5 sin(32.5)  62.998
      35 sin(35)11  67.751
    37.5 sin(37.5)  71.377
      40 sin(40)11  75.366