9.17 Determine the largest capacity medium-duty dragline bucket that can be used on a dragline equipped with 80 ft of boom when the boom is operating at an angle of 35 degrees. The excavated earth weights 98 lb/cf loose measure.

For problem 9.17, please follow below steps:

1. Use table 9.12 to find safe capacity of dragline

2. Go to table 9.16 and follow below steps:

a. Pick one size

b. Consider its struck capacity

c. Check its weight of bucket

d. Calculate the weight of material which is material unit weight

e. Check to see if total weight is less than safe weight

3. Redo step 2 to find the largest size of bucket struck capacity