McFarland pumping out through barge MB-2
Vital Statistics
Dimensions
* Length, without boom overhang - 300'
* Length, with boom overhang - 319' 8"
* Boom length beyond side of vessel - 136'
* Beam, molded - 72'
* Depth amidship, molded - 33'
* Length of drag arms - 63'
Dredging depth * Maximum - 55' * Minimum - 21'
Design mean draft * Loaded - 22'
Hopper capacity * 1 hopper - 3140 cubic yards * Total capacity - 12 doors
Draft * Loaded - Forward - 23' 7/8" * Loaded - Aft - 23' 7/8" * Light - Forward - 15' 3" * Light - Aft - 16' 6"
Displacement * Loaded - 9,720 tons * Light - 4,007 tons
Tonnage * Loaded - 6,036 tons * Light -- 5,644 tons
Pumping power
* Total output - 5,600 hp
* Motors, electric (2) - 2800 hp ea. @ 225/425 rpm
* Engines, diesel (3) - 2160 hp ea. @ 900 rpm
* Pumps (2) - 225/425 rpm
* No. of vanes - 5
* Suction pipe - 34" I.D
* Discharge pipe - 26" I.D.
Propulsion power
* Total output - 6,000 hp
* Engines, direct drive diesel (4) - 1,600 hp ea. @ 900 rpm
* Propellers, 4-blade, variable pitch (2) - 13' 6" diam.
* Bow thruster, electric, reversible - 65" diam.
* Thrust - 13,000 lbs. @ 500 hp
Direct pumpout * Discharge line - 26" I.D
Maximum length of discharge line - 20,000'
Sidecasting
* Discharge pipe - 34" I.D
* Length of pipe .- 175'
* Casting distance from side of dredge -163'
Fuel * Capacity - 270,000 gal. * Cruising range - 8,500 mi.
Speed (statute miles) * Light - 15.4 mph * Loaded -- 14.9 mph
Information came from the following site - http://www.nap.usace.army.mil/sb/mcfar.htm