Modern ships of warReed, Edward J. (Edward James), Sir
History
Modern ships of war
Reed, Edward J. (Edward James), Sir
Navies; Warships
“As between the _Admiral_ class and the central-citadel ships
of the _Inflexible_ type there is a difference in this respect
which has been much commented upon. When the ends of the citadel
ships are filled with water, the armored wall of the citadel
still remains several feet above water; whereas, in the _Admiral_
class, the top of the belt under similar conditions is very near
the water-level. All that need be said on this point is that,
notwithstanding the greater height of the armored wall above water,
the citadel ships have practically no greater guarantee of safety
against capsizing by means of armor-protected stability than the
_Admiral_ class. In both classes the armored portions require the
assistance of the unarmored to secure such a range and amount
of stability as shall effectually guarantee their security when
damaged in action. And, as has been stated above, this condition is
true of all armor-clads with narrow armor-belts.
“One other objection to the shortened belts yet remains to be
considered.
“It is urged that when the thin ends are broken through or damaged
by shot or shell, jagged or protruding holes will be formed in
the plating near the water-line, and then if the ships are driven
at speed, the water will flow into the holes in large quantities,
and produce serious changes of trim and loss of speed. In support
of this contention, reference is made to the published reports of
experiments made with the _Inflexible’s_ model about eight years
ago. It is impossible to discuss the matter fully, and I must
therefore content myself with a statement of my opinion, formed
after a careful personal observation of these model experiments.
First, it cannot be shown from the experiments that the presence
of a shallow belt of armor reaching two to three feet above the
still-water line would make any sensible difference in the dangers
arising from the circumstances described. Holes in the thin sides
above this belt would admit water in large quantities on the
belt-deck when the vessel was under way, and if it could flow along
that deck changes of trim and other disagreeable consequences would
result. Secondly, it is certain that the numerous bulkheads and
partitions, coffer-dams, etc., built above the belt-deck level in
the _Admiral_ class for the very purpose of limiting the flow of
entering water would greatly decrease any tendency to check the
speed or change the trim. Whether the belt be short or long, it is
evident that gaping holes low down in the light sides will make it
prudent for a captain to slow down somewhat if he wishes to keep
the water out as much as possible. But between such prudence and
the danger of disaster there is a wide gulf.
Public-domain text, read in full here on John Shaqi.
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