The hydraulic dredge shown in the figure below is used to dredge sand from a river bottom. Estimate the thrust needed from the propeller to hold the boat stationary. Assume the specific gravity of the sand/water mixture is SG = 1.2. Assume 0 = 39°.
The hydraulic dredge shown in the figure below is used to dredge sand from a river bottom. Estimate the thrust needed from the propeller to hold the boat stationary. Assume the specific gravity of the sand/water mixture is SG = 1.2. Assume 0 = 39°.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The hydraulic dredge shown in the figure below is
used to dredge sand from a river bottom. Estimate
the thrust needed from the propeller to hold the
boat stationary. Assume the specific gravity of the
sand/water mixture is SG = 1.2.
Assume 0 = 39°.
30 ft/s
2-ft diameter
e.
:9ft
Prop
Fx =
i
Ib
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