Really Big Gibraltar Guns 1925
On the fiction board we have recently had an interesting storyline involving some serious ‘heavy metal’ being deployed on Gibraltar during the inter-war period (railway guns and naval turrets). This...
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HMS Pinafore wrote: Note: I do not believe that either battery was actually completed or commissioned into service. The design included extensive underground magazines, shell rooms, accommodation and...
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ChrisPat wrote: Given that those guns are already in turrets they might be cheaper to mount that way rather than building a new mount. Fire control might be interesting, large hydrophone arrays to...
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"HE 4crh and HE 8crh projectiles were issued only to monitors. The original AP 2crh was solid shot. The 8crh round was introduced in 1918."For the 12" / 40 Mk IX; "Early ships carried 2crh shells....
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You mean US CA had hydrophones placed to tell them when a target was in the controlled minefield? That's dam' clever and should be pretty effective.I can see that resolution could be a problem in...
View ArticleRe: Really Big Gibraltar Guns 1925
ChrisPat wrote:You mean US CA had hydrophones placed to tell them when a target was in the controlled minefield? That's dam' clever and should be pretty effective.US coast defenses did not use...
View ArticleRe: Really Big Gibraltar Guns 1925
Although useful for 'siege' work in a land battle, railway gunbs have virtually no application in the coastal defence role. To work in the anti-ship role you would need a nice perfectly circular track...
View ArticleRe: Really Big Gibraltar Guns 1925
To work in the anti-ship role you would need a nice perfectly circular track roughly 500 yards across to permit a complete arc of fire at a moving target. The gunnery solution calculating would be a...
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'Anzio Annie' used to fire some rounds then disappear in a tunnel which made her very difficult to locate. Ian S.
View ArticleRe: Really Big Gibraltar Guns 1925
jlyons97 wrote:To work in the anti-ship role you would need a nice perfectly circular track roughly 500 yards across to permit a complete arc of fire at a moving target. The gunnery solution...
View ArticleRe: Really Big Gibraltar Guns 1925
jlyons97 wrote:US coast defenses did not use hydrophones. There was no need. The controlled mines were not laid until circumstances demanded (or training). The mines were laid to a pattern and...
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In the era under consideration ships navigated by visual cues. The chances of a hostile ship getting into (much less out of) a restricted channels of course exist, but I think the odds of this (much...
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HMS Pinafore wrote:The Trolls also remind me that with only four ex-14-inch railway guns available there would not be enough to go around. Please note: Barbette guns are always cheaper than turrets,...
View ArticleRe: Really Big Gibraltar Guns 1925
jlyons97 wrote:In the era under consideration ships navigated by visual cues. The chances of a hostile ship getting into (much less out of) a restricted channels of course exist, but I think the odds...
View ArticleRe: Really Big Gibraltar Guns 1925
Realistically how would coastal artillery be assessed following the 'Channel dash' with the twins. I gather nothing happened even when 'primed ready to go' and once the S&G had got through, their...
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The Trolls have unearthed their data on the American 14-inch railway guns used for coastal defence. They are quite fancy pieces of kit! The railway carriages were designed to be lowered onto a...
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Information on the US 14 inch gun 1920 can be found at the book Railway Artillery Vol 2 There are several copies on line in PDF form, here is a link to one http://archive.org/details/cu31924092701766...
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ICS wrote:Realistically how would coastal artillery be assessed following the 'Channel dash' with the twins. I gather nothing happened even when 'primed ready to go' and once the S&G had got...
View ArticleRe: Really Big Gibraltar Guns 1925
HMS Pinafore wrote:However, the big circle and the railway line leading up to it would be pretty obvious from the air.If the air threat is that great you've lost, per Normandy. It would seem if you...
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Just opened one of the books and there's a picture of a German 24cm Theodor Kanone "on a portable tuntable for the coastal defence role". There are also turntables for the 20.3cm K(E), 21cm K12 (E)...
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