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denodon
Post subject: Re: The Socialist Republic of SieranPosted: February 7th, 2016, 3:44 pm
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A new iteration based from discussion with Blackbuck in the IRC based on a reduced scale Dante Alighieri adopting three triple turrets instead of four twins in crude photoshoped SB scale;

[ img ]

V3, Socialist Republic of Sieran Coastal Battleship laid down 1912

Displacement:
12,399 t light; 13,364 t standard; 15,000 t normal; 16,309 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(486.00 ft / 475.00 ft) x 77.00 ft x (25.50 / 27.27 ft)
(148.13 m / 144.78 m) x 23.47 m x (7.77 / 8.31 m)

Armament:
9 - 11.10" / 282 mm 45.0 cal guns - 689.65lbs / 312.82kg shells, 150 per gun
Breech loading guns in turret on barbette mounts, 1912 Model
3 x 3-gun mounts on centreline, evenly spread
8 - 4.72" / 120 mm 45.0 cal guns - 53.17lbs / 24.12kg shells, 250 per gun
Breech loading guns in turret on barbette mounts, 1912 Model
2 x 2-gun mounts on sides, forward deck forward
2 x Single mounts on sides, aft deck aft
12 - 4.72" / 120 mm 45.0 cal guns - 53.17lbs / 24.12kg shells, 250 per gun
Breech loading guns in casemate mounts, 1912 Model
12 x Single mounts on sides, evenly spread
12 hull mounts in casemates- Limited use in heavy seas
Weight of broadside 7,270 lbs / 3,298 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 9.00" / 229 mm 195.00 ft / 59.44 m 16.00 ft / 4.88 m
Ends: 6.00" / 152 mm 256.00 ft / 78.03 m 8.50 ft / 2.59 m
24.00 ft / 7.32 m Unarmoured ends
Upper: 6.00" / 152 mm 100.00 ft / 30.48 m 8.50 ft / 2.59 m
Main Belt covers 63 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 12.0" / 305 mm 8.00" / 203 mm 12.0" / 305 mm
2nd: 2.00" / 51 mm 2.00" / 51 mm 2.00" / 51 mm
3rd: 2.00" / 51 mm - -

- Armoured deck - multiple decks:
For and Aft decks: 1.50" / 38 mm

- Conning towers: Forward 9.00" / 229 mm, Aft 0.00" / 0 mm

Machinery:
Coal fired boilers, steam turbines,
Geared drive, 2 shafts, 22,000 shp / 16,412 Kw = 20.52 kts
Range 8,000nm at 12.00 kts
Bunker at max displacement = 2,945 tons (100% coal)

Complement:
677 - 881

Cost:
£1.220 million / $4.880 million

Distribution of weights at normal displacement:
Armament: 1,608 tons, 10.7 %
- Guns: 1,608 tons, 10.7 %
Armour: 4,595 tons, 30.6 %
- Belts: 2,198 tons, 14.7 %
- Armament: 1,699 tons, 11.3 %
- Armour Deck: 580 tons, 3.9 %
- Conning Tower: 118 tons, 0.8 %
Machinery: 965 tons, 6.4 %
Hull, fittings & equipment: 5,031 tons, 33.5 %
Fuel, ammunition & stores: 2,601 tons, 17.3 %
Miscellaneous weights: 200 tons, 1.3 %
- Hull above water: 50 tons
- On freeboard deck: 100 tons
- Above deck: 50 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
24,796 lbs / 11,247 Kg = 36.3 x 11.1 " / 282 mm shells or 3.3 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 4.1 ft / 1.2 m
Roll period: 16.0 seconds
Steadiness - As gun platform (Average = 50 %): 90 %
- Recoil effect (Restricted arc if above 1.00): 0.97
Seaboat quality (Average = 1.00): 1.79

Hull form characteristics:
Hull has raised forecastle,
a ram bow and a cruiser stern
Block coefficient (normal/deep): 0.563 / 0.572
Length to Beam Ratio: 6.17 : 1
'Natural speed' for length: 21.79 kts
Power going to wave formation at top speed: 47 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 21.60 %, 28.00 ft / 8.53 m, 28.00 ft / 8.53 m
- Forward deck: 30.00 %, 20.00 ft / 6.10 m, 20.00 ft / 6.10 m
- Aft deck: 33.40 %, 20.00 ft / 6.10 m, 20.00 ft / 6.10 m
- Quarter deck: 15.00 %, 20.00 ft / 6.10 m, 20.00 ft / 6.10 m
- Average freeboard: 21.73 ft / 6.62 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 62.9 %
- Above water (accommodation/working, high = better): 145.4 %
Waterplane Area: 25,836 Square feet or 2,400 Square metres
Displacement factor (Displacement / loading): 116 %
Structure weight / hull surface area: 150 lbs/sq ft or 732 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.90
- Longitudinal: 2.53
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

I'm actually rather fond of this design. With some tweaks it could potentially work as a reasonable CDS and baby dreadnought.

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Last edited by denodon on February 8th, 2016, 9:53 am, edited 1 time in total.

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BB1987
Post subject: Re: The Socialist Republic of SieranPosted: February 7th, 2016, 3:59 pm
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Looks pretty interesting, It will be nice to see the completed drawing.

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ezgo394
Post subject: Re: The Socialist Republic of SieranPosted: February 7th, 2016, 8:16 pm
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Agreed, I think it will look nice!

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denodon
Post subject: Re: The Socialist Republic of SieranPosted: February 8th, 2016, 9:53 am
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Edited the previous post on design 3 to show latest collage with icebreaker-style bow and correct twin shaft arrangement.

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APDAF
Post subject: Re: The Socialist Republic of SieranPosted: February 8th, 2016, 1:01 pm
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Why am I channeling a Gangut with it?


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Rhade
Post subject: Re: The Socialist Republic of SieranPosted: February 8th, 2016, 1:34 pm
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Work on bridge structure. Dante is designed for Mare Nostrum, warm climate. You need to think about the opposite one and remodel it to be more enclosed.

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acelanceloet
Post subject: Re: The Socialist Republic of SieranPosted: February 8th, 2016, 6:05 pm
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not that I am that happy with it, but would it not be easier to use my shipbucket drawing of the vessel?

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denodon
Post subject: Re: The Socialist Republic of SieranPosted: February 8th, 2016, 10:49 pm
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Rhade wrote:
Work on bridge structure. Dante is designed for Mare Nostrum, warm climate. You need to think about the opposite one and remodel it to be more enclosed.
Yeah that is something I will be doing with the redraw, I'm currently looking at what the Ganguts had amongst other Russian ships for ideas for what the upperworks may look like.
acelanceloet wrote:
not that I am that happy with it, but would it not be easier to use my shipbucket drawing of the vessel?
I did see your image Ace however I used this one as I wanted a top view to work with as well for/if I draw an overhead view of the vessel. I might use a few parts from that one though depending on what weapons I ultimately use for the secondaries in particular.

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denodon
Post subject: Re: The Socialist Republic of SieranPosted: February 4th, 2017, 2:27 am
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G'day all, man it's been almost a year since my last post!

I've been taking a break from drawing with my attention occupied by both job searching (still no luck unfortunately) and with my hobby of model trains. That said, recently I decided to get back and try and finish the ship I had the WIP from before. I also redrew Sierans flag to fix some old niggles I had with it, mainly that it wasn't properly centred before, and the north star is now much clearer than the original.

[ img ]

As for the ship, here it is. Still don't have an appropriate idea for what to name it. My cruisers are based after rivers and the big battlecruiser things named after admirals at Tsushima. Maybe go with similar naming to the BCs or go for something else?

[ img ]

V4, Socialist Republic of Sieran Coastal Battleship laid down 1912

Displacement:
12,455 t light; 13,364 t standard; 15,000 t normal; 16,309 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(486.00 ft / 475.00 ft) x 77.00 ft x (25.50 / 27.27 ft)
(148.13 m / 144.78 m) x 23.47 m x (7.77 / 8.31 m)

Armament:
6 - 12.00" / 305 mm 52.0 cal guns - 922.60lbs / 418.48kg shells, 150 per gun
Breech loading guns in turret on barbette mounts, 1907 Model
3 x 2-gun mounts on centreline, evenly spread
8 - 4.72" / 120 mm 45.0 cal guns - 53.18lbs / 24.12kg shells, 250 per gun
Breech loading guns in turret on barbette mounts, 1912 Model
2 x 2-gun mounts on sides, forward deck forward
2 x Single mounts on sides, aft deck aft
12 - 4.72" / 120 mm 45.0 cal guns - 53.18lbs / 24.12kg shells, 250 per gun
Breech loading guns in casemate mounts, 1912 Model
12 x Single mounts on sides, evenly spread
12 hull mounts in casemates- Limited use in heavy seas
Weight of broadside 6,599 lbs / 2,993 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 9.50" / 241 mm 196.00 ft / 59.74 m 16.00 ft / 4.88 m
Ends: 6.00" / 152 mm 256.00 ft / 78.03 m 8.50 ft / 2.59 m
23.00 ft / 7.01 m Unarmoured ends
Upper: 6.00" / 152 mm 100.00 ft / 30.48 m 8.50 ft / 2.59 m
Main Belt covers 63 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 12.0" / 305 mm 8.00" / 203 mm 12.0" / 305 mm
2nd: 2.00" / 51 mm 2.00" / 51 mm 2.00" / 51 mm
3rd: 2.00" / 51 mm - -

- Armoured deck - multiple decks:
For and Aft decks: 2.00" / 51 mm

- Conning towers: Forward 9.50" / 241 mm, Aft 9.50" / 241 mm

Machinery:
Coal fired boilers, steam turbines,
Geared drive, 2 shafts, 22,001 shp / 16,413 Kw = 20.52 kts
Range 8,000nm at 12.00 kts
Bunker at max displacement = 2,945 tons (100% coal)

Complement:
677 - 881

Cost:
£1.239 million / $4.957 million

Distribution of weights at normal displacement:
Armament: 1,619 tons, 10.8 %
- Guns: 1,619 tons, 10.8 %
Armour: 4,787 tons, 31.9 %
- Belts: 2,279 tons, 15.2 %
- Armament: 1,485 tons, 9.9 %
- Armour Deck: 774 tons, 5.2 %
- Conning Towers: 249 tons, 1.7 %
Machinery: 965 tons, 6.4 %
Hull, fittings & equipment: 4,883 tons, 32.6 %
Fuel, ammunition & stores: 2,545 tons, 17.0 %
Miscellaneous weights: 200 tons, 1.3 %
- Hull above water: 50 tons
- On freeboard deck: 100 tons
- Above deck: 50 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
24,654 lbs / 11,183 Kg = 28.5 x 12.0 " / 305 mm shells or 3.3 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 4.1 ft / 1.2 m
Roll period: 16.0 seconds
Steadiness - As gun platform (Average = 50 %): 90 %
- Recoil effect (Restricted arc if above 1.00): 0.89
Seaboat quality (Average = 1.00): 1.81

Hull form characteristics:
Hull has raised forecastle,
a ram bow and a cruiser stern
Block coefficient (normal/deep): 0.563 / 0.572
Length to Beam Ratio: 6.17 : 1
'Natural speed' for length: 21.79 kts
Power going to wave formation at top speed: 47 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 21.60 %, 28.00 ft / 8.53 m, 28.00 ft / 8.53 m
- Forward deck: 30.00 %, 20.00 ft / 6.10 m, 20.00 ft / 6.10 m
- Aft deck: 33.40 %, 20.00 ft / 6.10 m, 20.00 ft / 6.10 m
- Quarter deck: 15.00 %, 20.00 ft / 6.10 m, 20.00 ft / 6.10 m
- Average freeboard: 21.73 ft / 6.62 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 63.4 %
- Above water (accommodation/working, high = better): 145.4 %
Waterplane Area: 25,839 Square feet or 2,400 Square metres
Displacement factor (Displacement / loading): 113 %
Structure weight / hull surface area: 146 lbs/sq ft or 712 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.90
- Longitudinal: 2.49
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Design has seen some evolution over the drawing process, namely the moving of the central turret forward and flipped to face rearwards after comments from Ace about the otherwise extremely restricted space for machinery in the hull. Any other feedback is greatly appreciated!

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eswube
Post subject: Re: The Socialist Republic of SieranPosted: February 4th, 2017, 11:45 am
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Welcome back! :D

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