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19-82 Edition 47

Rippers

Estimated Ripper Production Graphs

D10T2

D11T

D11T CD

B

A

2

3

4

5

6

7

9

8

250

500

750

1000

1250

1500

1750

2000

2250

2500

2750

3000

3250

1

2

250

500

750

1000

1250

1500

1750

2000

2250

2500

SEISMICVELOCITY (in meters per second x 1000)

SEISMICVELOCITY (in feet per second x 1000)

D10T2WITH SINGLE SHANK

PRODUCTION (BCY/hour)

PRODUCTION (Bm

3

/hour)

A

B

2 3

6 7

10 9

4

8

5

1000

2000

3000

4000

5000

1

2

3

750

1500

2250

3000

3750

SEISMICVELOCITY (in meters per second x 1000)

SEISMICVELOCITY (in feet per second x 1000)

D11T WITH SINGLE SHANK

PRODUCTION (BCY/hour)

PRODUCTION (Bm

3

/hour)

KEY

A — IDEAL

B — ADVERSE

A

B

2 3

6 7

10 9

4

8

5

1000

2000

3000

4000

5000

1

2

3

750

1500

2250

3000

3750

SEISMICVELOCITY (in meters per second x 1000)

SEISMICVELOCITY (in feet per second x 1000)

D11T CDWITH SINGLE SHANK

PRODUCTION (BCY/hour)

PRODUCTION (Bm

3

/hour)