DougToss Posted October 3, 2021 Posted October 3, 2021 Underwater damage The attached table lists underwater damage to British battleships earlier than Dreadnought. In many cases there was a rapid initial heel, 8° seems typical, which sometimes increased steadily to capsize but, more often, they would hang for a considerable time at this angle. There would then be a lurch and further rapid heel to capsize. This could be spread of flooding to a new compartment (possibly associated with bulkhead failure) or free surface high up destroying stability. Heel was often reduced by dramatic counterflooding. In some cases the ammunition passage was identified as spreading flooding. Of the ten ships sunk by underwater explosion, seven capsized, two were abandoned with severe heel and one sank with 6-7° list. Almost certainly, these losses can be attributed to the off-centre flooding due to a centreline bulkhead in the machinery spaces; something which Reed had warned against in 1871. The Irresistible, which sank with a small list only, is in fact the clinching evidence as reports say that the centreline bulkhead between the engine-rooms was damaged in the explosion. It is assumed that the coal bunkers are flooded but the coal remains in place preserving ⅝ buoyancy. There are frequent references to shoring up bulkheads in damaged ships which suggests the ‘lurch’ often referred to, could be the failure of a bulkhead. One may sum up White’s ships as having adequate armour for their era, well arranged. Their fire precautions were satisfactory in all but his earliest ships but the centreline bulkheads were a fatal flaw. Even though the risk of flooding through ventilation ducts, pipes etc was recognised and action taken, it was not fully adequate. Main deck casemates were a weak point, not exposed during the Russo-Japanese War. All from Warrior to Dreadnought, Brown 1
RedParadize Posted October 4, 2021 Posted October 4, 2021 (edited) And some ship in UAD have over 20% of their mass in the superstructure!😂 I would really like if roll stats would also be affected by high center of mass... As it should. Its a tad sad that we do not have capsizing yet. Edited October 4, 2021 by RedParadize 2
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