25.4 x 12.7

30 x 15

34.9 x 15.9

38.1 x 19.1

40 x 20

40 x 25

50 x 25

50.8 x 25.4

60 x 20

60 x 30

 0.54

0.68

0.73

1.03

1.13

1.38

 0.636

0.84

0.98

1.28

1.34*

1.46

1.70*

1.74*

1.79

2.03

 0.65

0.89*

1.27

1.35

1.42*

1.84*

 0.82

1.07

1.6

1.768

2.23*

2.28*