USS Rankin (AKA-103)
LCM - Landing Craft, Mechanized
Landing Craft, Mechanized (MARK 6) — LCM(6)
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A Higgins type LCM(3) with 6' added to the hull amidships. Other characteristics are similar to LCM(3), below.
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Landing Craft, Mechanized (Mark 3) — LCM(3)
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Operational Use
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Designed to land motor vehicles or one medium (30-ton) tank directly on a beach.
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Description
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Two designs are in use, the HIGGINS type constituting the majority. Recent changes include addition of machine guns and magnesyn compass, higher bulwark, and slight rearrangement aft.
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Capacity
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One 30-ton tank or 60,000 lb. of cargo, or 60 troops. BUREAU type (few in number) carries 120,000 lb. of cargo.
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Endurance
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850 miles @ 6 ¼ kts.; 500 miles @ 7 ¼ kts.; 140 miles @ fullspeed.
Speed, 8 kts. (loaded); 11 kts. (normal load).
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Dimensions
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Length, 50'0" overall. Beam, 14' 1"
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Displacement
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Light, 52,000 lb. Draft, 3'0” forward, 4'0” aft. Loaded, 52 tons.
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Armament
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Two .50-caliber Machine Guns.
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Armor
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¼" HIS sides to control station. British are fitting bullet-proof mattresses.
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Crew
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4; coxswain, engineer, 2 crew
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Propulsion
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Two 110-225 hp. Diesels of different designs; twin screws.
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Click Here for information about a model LCM-3 that you can build
From ONI 226, Allied Landing Craft and Ships, published in June 1944 by the Division of Naval Intelligence:
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Assault Boat Coxswain Award