A couple of questions...

C

chaos0xomega

Mongoose
Okay, these are mostly RL questions:

1. Do the guns in a turret(for instance, 2x15" guns per turret on Hood/Bismark) fire simultaneously, or do they fire independently? Last night on Dogfights, they showed Bismark's and the other ships guns firing simultaneously, but a couple of weeks ago when they did Yamato, I swear they showed them firing off independently.

2. Is Bismarck really considered the most powerful Battleship ever launched? I thought that honour belonged to Yamato or Iowa?

3. erm.... DM, how is the Surcouf coming along :wink: sorry, had to throw that in there for old times sake... and because I couldn't remember my REAL 3rd question.
 
chaos0xomega said:
1. Do the guns in a turret(for instance, 2x15" guns per turret on Hood/Bismark) fire simultaneously, or do they fire independently? Last night on Dogfights, they showed Bismark's and the other ships guns firing simultaneously, but a couple of weeks ago when they did Yamato, I swear they showed them firing off independently.
Click to expand...
IRL, they could be fired any way they choose. Normal procedure was all at once, both because they're all firing at one target anyway, and to avoid one shot messing up the aim for the next. I've even seen a single barrel fired, with the others at a different angle (can't remember what ship, I think it was a cruiser).
2. Is Bismarck really considered the most powerful Battleship ever launched? I thought that honour belonged to Yamato or Iowa?
Click to expand...
Is it now? No way. Was it THEN? Quite possibly. Bismark, like the Tiger tank, had an amazingly good PR job behind it...
3. erm.... DM, how is the Surcouf coming along :wink: sorry, had to throw that in there for old times sake... and because I couldn't remember my REAL 3rd question.
Click to expand...
Although it's not mine, I do know it's been submitted to S&P for publication. Maybe tomorrow?

Wulf
 
chaos0xomega said:
Okay, these are mostly RL questions:

1. Do the guns in a turret(for instance, 2x15" guns per turret on Hood/Bismark) fire simultaneously, or do they fire independently? Last night on Dogfights, they showed Bismark's and the other ships guns firing simultaneously, but a couple of weeks ago when they did Yamato, I swear they showed them firing off independently.

2. Is Bismarck really considered the most powerful Battleship ever launched? I thought that honour belonged to Yamato or Iowa?

3. erm.... DM, how is the Surcouf coming along :wink: sorry, had to throw that in there for old times sake... and because I couldn't remember my REAL 3rd question.
Click to expand...

1.Turrets cannot split dice, they all go to one Target. So A, B, C can shoot seperate targets, but all the dice from each Turret must be rolled against that Target.

2. I think its the Yamato
 
That truly lazy, I can understand WTF and the like. But not typing 'Real Life', it begs believe!
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You my friend, do not send enough text messages.

IRL IIRC each turret fires indep w/o affecting the others. GG, POS, LOL!!!
 
I've seen photos of the Iowas firing the centre gun on one turret while the other two are still depressed, level with the deck...
Click to expand...

Thats salvo fire. The ship generally (if firing all tubes) fires half its tubes at a time, with the others reloading at the same time.
 
It may also depend on the individual ship.
One of my Naval Geek friends (of whom I have none) has mentioned before that quad turrets like those on the KGV's and later French BB's and BC's had problems with the flight of the rounds from the inner barrels being slightly deflected by the blast from the other barrels when fired simultaneously, with a subsequent loss of accuracy. In a salvo the quads were commonly fired in a "ripple" with a split-second delay between tubes to avoid this: I've also heard the same thing mentioned about the Yamato's, although that also had to do with concerns with hull stress if all nine 18" guns went off at the same instant.
 
Thats right. This could also be affected by the positioning of the guns. If you look at the arrangement of the 6" guns in a British light cruiser turret (e.g. HMS Belfast) you'll notice that the middle gun is stepped back slightly compared with the outer guns. This was to eliminate the effects of the balst of the outer guns affecting the flight of the inner gun's shell (IIRC the middle gun also fired wit a very slight delay when firing broadsides).

The blast of an 18" gun firing was, it is reported, enough to blow the flesh from a man's arm if they were standing alongside the turret. Interestingly (forsaddos like me at least) the blast overpressure is not all that dissimilar to that experienced around the silo of a modern warship's VLS!
 
VLS? Vertical Launch System?

Ok, that is definitely some interesting information. Oh, here is another question, if all the gns on the Yamato went off at the same time, would the recoil behind it be enough to capsize her?

Oh, and what does braodside mean? I always thought it referred to the guns on the 'ships of the line' era navies, where all the guns were mounted on the sides, and a broadside meant the firing of all guns on one side against an enemy target or targets.
 
chaos0xomega said:
Oh, here is another question, if all the gns on the Yamato went off at the same time, would the recoil behind it be enough to capsize her?
Click to expand...

Battleships were designed with a great deal of lateral stability, both to provide a stable firing platform for the main guns (by reducing roll) and also to make sure the hull could handle the stress of the firing without capsizing or taking shock damage. As I mentioned earlier there was some concern that the Yamato-class hulls might be damaged if all nine main guns were fired simultaneously regardless of what the design studies said, and for this reason neither Yamato or Mushashi ever fired a true full nine-gun broadside. (That's the legend, anyway.)
There was no danger of them turning over, however.

Also in the "legend" category is the Viet Nam-era story that the Iowas would shift three feet sideways in the water when they fired a full simultaneous broadside for shore bombardment support. :shock:
I can believe it, having seen film of such a fire, but don't know for certain that the "shifting" part is true. I doubt that would occur while they were underway, but might happen if they were sitting stationary for fire support. Anyone with more information that can address this?
 
The laws of physics being what they are, it wouldn't make any difference whether an Iowa was stationary or at flank speed.

Every action has an equla but opposite reaction means she must shift sideways when firing.
 
Hammer of Ulric said:
The laws of physics being what they are, it wouldn't make any difference whether an Iowa was stationary or at flank speed.

Every action has an equla but opposite reaction means she must shift sideways when firing.
Click to expand...
True. About 3/4" according to one debunking report I read. She weighs nearly 60,000 TONS, plus the resistance of the water she's sitting in (not ON, but IN).

I'll try and find that website. I believe it may have been pointed to from somewhere here, actually.

Wulf
 
The laws of physics being what they are, it wouldn't make any difference whether an Iowa was stationary or at flank speed.

Every action has an equla but opposite reaction means she must shift sideways when firing.
Click to expand...

Not to any meaningful degree. Millimeters at best.

http://www.navweaps.com/index_tech/tech-022.htm
 
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