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ezgo394
Post subject: Personal BattlecruiserPosted: March 2nd, 2012, 5:41 pm
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Ok, I was going to wait until this was finished, but I haven't worked on it in a while and thought I would post it to see what you say.

This is my idea for a Personal Battlecruiser, laid down 1912. It is largely based on the Lexington Battlecruiser by Chuck Ship Art.

Sorry, for the yellow background and green lines. Like I said, I haven't finished it yet and I still need to add details to it.

IMAGE REMOVED

Here is the the Spring Sharp data sheet.

United States of Denton Battlecruiser laid down 1912 (Engine 1913)

Displacement:
142,367 t light; 146,910 t standard; 152,190 t normal; 156,414 t full load

Dimensions: Length overall / water x beam x draught
1,400.00 ft / 1,358.84 ft x 140.00 ft x 40.00 ft (normal load)
426.72 m / 414.17 m x 42.67 m x 12.19 m

Armament:
4 - 14.00" / 356 mm guns (2x2 guns), 1,372.00lbs / 622.33kg shells, 1913 Model
Breech loading guns in turrets (on barbettes)
on centreline, all forward, 1 raised mount - superfiring
4 - 14.00" / 356 mm guns (2x2 guns), 1,372.00lbs / 622.33kg shells, 1913 Model
Breech loading guns in turrets (on barbettes)
on centreline, all aft, 1 raised mount - superfiring
8 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1913 Model
Breech loading guns in casemate mounts
on side, all forward
8 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1913 Model
Breech loading guns in casemate mounts
on side, all aft
6 - 3.00" / 76.2 mm guns (4 mounts), 13.50lbs / 6.12kg shells, 1913 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 12,785 lbs / 5,799 kg
Shells per gun, main battery: 200
8 - 24.0" / 609.6 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 12.0" / 305 mm 800.00 ft / 243.84 m 40.00 ft / 12.19 m
Ends: 10.0" / 254 mm 558.00 ft / 170.08 m 20.00 ft / 6.10 m
Upper: 6.00" / 152 mm 600.00 ft / 182.88 m 16.00 ft / 4.88 m
Main Belt covers 91 % of normal length

- Torpedo Bulkhead:
6.00" / 152 mm 600.00 ft / 182.88 m 20.00 ft / 6.10 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 14.0" / 356 mm 10.0" / 254 mm 10.0" / 254 mm
2nd: 14.0" / 356 mm 10.0" / 254 mm 10.0" / 254 mm
3rd: 8.00" / 203 mm 8.00" / 203 mm -
4th: 8.00" / 203 mm 8.00" / 203 mm -

- Armour deck: 4.00" / 102 mm, Conning tower: 12.00" / 305 mm

Machinery:
Coal fired boilers, steam turbines,
Electric motors, 4 shafts, 294,917 shp / 220,008 Kw = 30.00 kts
Range 7,500nm at 10.00 kts
Bunker at max displacement = 9,504 tons (100% coal)

Complement:
3,852 - 5,008

Cost:
£8.105 million / $32.420 million

Distribution of weights at normal displacement:
Armament: 1,598 tons, 1.1 %
Armour: 41,725 tons, 27.4 %
- Belts: 23,106 tons, 15.2 %
- Torpedo bulkhead: 2,664 tons, 1.8 %
- Armament: 3,934 tons, 2.6 %
- Armour Deck: 11,283 tons, 7.4 %
- Conning Tower: 737 tons, 0.5 %
Machinery: 12,712 tons, 8.4 %
Hull, fittings & equipment: 83,832 tons, 55.1 %
Fuel, ammunition & stores: 9,823 tons, 6.5 %
Miscellaneous weights: 2,500 tons, 1.6 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
435,715 lbs / 197,637 Kg = 317.6 x 14.0 " / 356 mm shells or 98.5 torpedoes
Stability (Unstable if below 1.00): 1.21
Metacentric height 11.8 ft / 3.6 m
Roll period: 17.1 seconds
Steadiness - As gun platform (Average = 50 %): 69 %
- Recoil effect (Restricted arc if above 1.00): 0.20
Seaboat quality (Average = 1.00): 1.38

Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0.700
Length to Beam Ratio: 9.71 : 1
'Natural speed' for length: 36.86 kts
Power going to wave formation at top speed: 37 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 45.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 41.16 ft / 12.55 m
- Forecastle (20 %): 35.50 ft / 10.82 m
- Mid (50 %): 35.50 ft / 10.82 m
- Quarterdeck (15 %): 26.00 ft / 7.92 m (35.50 ft / 10.82 m before break)
- Stern: 26.00 ft / 7.92 m
- Average freeboard: 34.53 ft / 10.52 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 45.2 %
- Above water (accommodation/working, high = better): 257.5 %
Waterplane Area: 152,479 Square feet or 14,166 Square metres
Displacement factor (Displacement / loading): 185 %
Structure weight / hull surface area: 398 lbs/sq ft or 1,943 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.98
- Longitudinal: 1.27
- Overall: 1.42
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Good seaboat, rides out heavy weather easily


-EZ-

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Last edited by ezgo394 on March 4th, 2012, 1:57 am, edited 2 times in total.

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Carthaginian
Post subject: Re: Personal BattlecruiserPosted: March 2nd, 2012, 6:32 pm
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Location: Daphne, Alabama, C.S.A.
1.) Those should be 'Turrets on Barbettes' rather than 'Coles-Ericsson Turrets'... the former are like what are on modern battleships, the latter are like what was on an 1860's era monitor.

2.) You do realize that she's armed more poorly than the Hood was, or than the planned version of the Lexington and Amagi classes... yet she is four times as heavy?

3.) A 40' drought means that she wouldn't be able to navigate many of the world shallower passages. There are parts of the English Channel, for instance, that I'm not entirely sure that this ship could safely pass through.

4.) a 40' high armor belt? That's twice as big a slab of metal as was on the side of any battleship ever built!


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Colosseum
Post subject: Re: Personal BattlecruiserPosted: March 2nd, 2012, 7:43 pm
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This thing is huge for no reason!

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Blackbuck
Post subject: Re: Personal BattlecruiserPosted: March 2nd, 2012, 7:43 pm
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Could you not cut that belt substantially and increase the casemate complement amidships?

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Colosseum
Post subject: Re: Personal BattlecruiserPosted: March 2nd, 2012, 7:52 pm
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Also you have stay lines going from funnel to funnel. IIRC this is not a good thing as one funnel could topple and pull all the other ones down with it since they're daisy-chained together.

Stay lines go from the vertical element being supported to the deck and nothing else!

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ezgo394
Post subject: Re: Personal BattlecruiserPosted: March 2nd, 2012, 8:30 pm
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Haha, yeah. I know I went a little overboard on the size. Forgive me for that.

Colo, I get what you're saying. Next time I work on this, I'll fix that.

Carthaginian, that should be a mistake. I'll change that.
Also, it was built in 1912 and I got the inspiration from the proposed Lexington BattleCruiser that Chuck Ship Art drew. That's why there aren't as many guns as I would like. When this version gets completed I plan on doing several refits, like a 1920s refit, an early and late 1930s refit and a 1950s refit. When I do those refits, it will be upgunned.
Like I said above, I know i went overboard with the size.
The armor belt does decrease in thickness. The upper area, in between the casemounts, is like the personal living quarters, so it is armed for protection of the VIP, ie me.


Guys, I know this ship is huge, but I am using it as a drawing exercise, and that is all it is meant to be (and a personal battlecruiser).

-EZ-

EDIT: How about this I'll downscale it a little, to maybe 1000, or 800 feet?

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klagldsf
Post subject: Re: Personal BattlecruiserPosted: March 2nd, 2012, 8:43 pm
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*shrugs* personally...I think it's already a vast improvement over your previous ship drawing efforts which mostly suffered from style problems. I think you should be allowed to proceed as-is because it looks like nice practice.

But yeah...definitely shrink that armored belt. Right now it just looks ridiculous.


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Colosseum
Post subject: Re: Personal BattlecruiserPosted: March 2nd, 2012, 9:23 pm
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Missouri is a little bit under 900' long if that tells you anything.

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Chuck ship art
Post subject: Re: Personal BattlecruiserPosted: March 3rd, 2012, 12:57 am
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Glad I could inspire one person this week. Though I wish it was My Boss. ;)


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ezgo394
Post subject: Re: Personal BattlecruiserPosted: March 3rd, 2012, 1:32 am
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klag, honestly to me the belt looks like it is in proportion with the ship. Right now it is 40 feet of 12 inch armor. Would 30 feet be better? If so, thats an easy change.

Colo, like I said, I am well aware that this thing is huge. This is a drawing exercise, and you and I both know well enough that it's not the largest contraption to come across the board, so please cut me some slack at least! :lol:

Chuck, it's more like inspiration for the month. I started this thing around the start of february and then it got sent to the back of my to do list.

-EZ-

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