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1

Thursday, April 1st 2004, 6:02pm

Guess the ship



Dimensions, role, armament, speed, anything else?

I really, really like the look of her myself.

2

Thursday, April 1st 2004, 6:20pm

So you should. It's a handsome ship.

Long, lean hull...clipper bow...torpedo bulge...no torpedoes...

I'll go out on a limb (which means I'll be totally out to lunch) and say: 8x12", 12x5.1", 32 kts, and around 10" of belt protection.

Let me know if I'm actually close with any of that.

3

Thursday, April 1st 2004, 7:58pm

You are a lot closer than you think, but you seem to have overestimated her size a bit.

4

Thursday, April 1st 2004, 8:06pm

Actually I meant 32 knots, not 32,000 tonnes. I'd guess that's around 29-30,000 tonnes.

5

Thursday, April 1st 2004, 8:10pm

Yes your displacement is definately wrong if you think 29,000t.

Is not having torpedoes a disadvantage for this ship?

6

Thursday, April 1st 2004, 8:19pm

I can't answer that without knowing what she does have, and what you intend to do with her.

7

Thursday, April 1st 2004, 8:32pm

Quoted

I can't answer that without knowing what she does have, and what you intend to do with her


Good point. I mean, is it worth having torpedoes on a ship of this size? Shes obviously ~200m long.

8

Thursday, April 1st 2004, 8:33pm

counting pixels would give one...

... dimensions of about 200 meters x 25 meters x 7 meters. With a BC of 0.55, you would end up with about 20,000 tons.

Walter

9

Thursday, April 1st 2004, 8:36pm

You're very close with those dimensions Walter, but 7m depth? I'm sure the hull is 17 pixels deep below waterline.

10

Thursday, April 1st 2004, 8:37pm

As a guess, no, the torps wouldn't be worth it.

Torpedoing an enemy cruiser would risk letting him do the same to you: probably a good trade for him.

Torpedoing an enemy capital ship would require you to get in close enough to hit him. In which case you'll get pasted with heavy shells.

Well...I'll amend that. Having a spread of torps to fire at a pursuing capital ship could be handy - but your escorts can do that too. That's why I stuck torps in that carrier of mine.

11

Thursday, April 1st 2004, 8:49pm

Quoted

You're very close with those dimensions Walter, but 7m depth? I'm sure the hull is 17 pixels deep below waterline.

Well, you should know that because you drew it. :-)
I actually considered the waterline to be beteen the two layers that make up the black line. So from the lower one to the keel gives me 15 pixels.
(15/106)*50 = 7.08 meters.

Using that as base of the waterline, I would get:
200.94x25.94x7.08 meters with a freeboard of 5.66 meters.

Now using your info about 17 pixels gives us:
201.89x25.94x8.02 with a freeboard of about 4.9 meters. Using a BC of 0.55 gives us about 23,300 tons.

Walter

12

Thursday, April 1st 2004, 8:57pm

I was going for the waterline at the top of the black band. I don't really pay much attention to free board, as it is a very average figure. The curvature at the bow helps some.

Also the scale isn't 1:50. It is 1:47, carried over from Bernhard's Iberian ships.

then 17*47=799cm=7.99m

13

Thursday, April 1st 2004, 9:15pm

The '50' I typed wasn't for 1:50 scale. The 50 is for 50 meters on the scale bar on top. 50 meters is equal to 106 pixels...
So ... (17 pixels/106 pixels)*50 meters= 8.018865 meters.
... meaning I'm only 2.89 centimeters off on the draft on the second attempt.
And the dimensions for those of us who use imperial: 662.369 x 85.105 x 26.312 feet.
I wouldn't be surprised if armament speed and armor are as the Rock Doctor mentioned.
But what it is used for, I do not know... but I do seem to remember that you liked the "manual guided torpedo" I mentioned when we discussed Commodore Green's Armed Transport...

Walter

14

Thursday, April 1st 2004, 9:30pm

That would certainly make her the Mother of All Manual Guided Torpedoes.

15

Thursday, April 1st 2004, 9:38pm

$$$$$$$

... not to mention most expensive torpedo.

16

Thursday, April 1st 2004, 10:36pm

Rocky is quite close with his assessment. As for use, El Cid?....

17

Friday, April 2nd 2004, 6:01pm

You were quite close actually.


Vittorio Emmanuelle, Italian Battlecruiser laid down 1926

Displacement:
18,988 t light; 20,076 t standard; 22,246 t normal; 23,893 t full load
Loading submergence 1,052 tons/feet

Dimensions:
656.17 ft x 86.94 ft x 26.25 ft (normal load)
200.00 m x 26.50 m x 8.00 m

Armament:
8 - 12.00" / 305 mm guns (4 Main turrets x 2 guns, 2 superfiring turrets)
12 - 5.12" / 130 mm guns
12 - 0.78" / 20 mm guns
Weight of broadside 7,720 lbs / 3,502 kg

Armour:
Belt 9.84" / 250 mm, ends unarmoured
Belts cover 81 % of normal area
Main turrets 9.84" / 250 mm, 2nd gun shields 0.79" / 20 mm
Armour deck 3.15" / 80 mm, Conning tower 2.76" / 70 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 100,000 shp / 74,600 Kw = 29.47 kts
Range 5,000nm at 20.00 kts

Complement:
910 - 1,184

Cost:
£6.644 million / $26.577 million

Distribution of weights at normal displacement:
Armament: 965 tons, 4.3 %
Armour: 5,822 tons, 26.2 %
Belts: 1,609 tons, 7.2 %, Armament: 2,022 tons, 9.1 %, Armour Deck: 2,145 tons, 9.6 %
Conning Tower: 47 tons, 0.2 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 3,201 tons, 14.4 %
Hull, fittings & equipment: 8,950 tons, 40.2 %
Fuel, ammunition & stores: 3,258 tons, 14.6 %
Miscellaneous weights: 50 tons, 0.2 %

Metacentric height 4.9

Remarks:
Hull space for machinery, storage & compartmentation is excellent
Room for accommodation & workspaces is excellent

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.11
Shellfire needed to sink: 28,383 lbs / 12,875 Kg = 32.9 x 12.0 " / 305 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 3.0
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 53 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.49
Relative quality as seaboat: 1.05

Hull form characteristics:
Block coefficient: 0.520
Sharpness coefficient: 0.37
Hull speed coefficient 'M': 7.14
'Natural speed' for length: 25.62 kts
Power going to wave formation at top speed: 54 %
Trim: 50
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 80.9 %
Relative accommodation and working space: 156.7 %
(Average = 100%)
Displacement factor: 111 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.97
(Structure weight / hull surface area: 164 lbs / square foot or 799 Kg / square metre)
Relative longitudinal hull strength: 1.34
(for 20.34 ft / 6.20 m average freeboard, freeboard adjustment 2.57 ft)
Relative composite hull strength: 1.00

18

Friday, April 2nd 2004, 6:17pm

I got main and secondary armament right, and was real close on the belt...not bad...think I've earned a reward of some kind...

She's a bit slow for a battlecruiser these days, and seems intended for short, fast runs. So she's either there to be a complete nuisance to Greece or to be a "mother of all coastal protection armorclads"

HoOmAn

Keeper of the Sacred Block Coefficient

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19

Friday, April 2nd 2004, 6:38pm

Well...

I like her...

Why is it that so many of us are currently planning small BCs?

20

Friday, April 2nd 2004, 7:25pm

Slow? Only Hood, Vengeance, Glory, Repulse, Renown, Invincible and Indefatigable can catch her. The 2 I's only have a 0.5knt advantage however.

Short fast runs is correct, but 5000m@20knts is a lot of fuel.

Hooman, maybe its coz they are fast and quick to build?