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Old 03-09-15, 03:22 AM   #15
Aktungbby
Gefallen Engel U-666
 
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Interesting & accurate! The Iowas were to be outfitted with four screws: the outer pair consisting of two four-bladed propellers roughly 18 feet (5.5 m) in diameter and the inboard screws that have five blades and are roughly 17.5 feet (5.3 m) in diameter. The propeller designs were adopted after earlier testing had determined that propeller cavitation caused a drop in efficiency at speeds over 30 knots (56 km/h).Rule #1 of naval warfare...Do not let one these 'bad boys' cross your T.. photo is my personal favorite expression of 'worth a thousand words'a full broadside of nine 16-inch (406 mm) / 50-caliber and six 5-inch (127 mm) / 38-caliber guns during a target exercise!
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