8-1/4

0.286

3500

14000

16.5

67

51

8

8-5/16

0.32

4500

18000

17

78.5

58.5

10

8-3/8

0.73

7100

28400

22

87.6

63.6

12

8-1/2

1.67

12000

48000

28.5

115.5

85.5

15

8-5/8

2.86

18100

72400

33

143

106

18.5

8-3/4

5.00

28300

113200

41

162

116

23

8-7/8

7.50

34200

136800

50.5

188.5

136.5

26

8-1

11.03

47700

190800

57

214.5

152.5

31

8-1-1/4

20.38

72300

289200

65

265

188.7

38