Shipbucket

Well, it was Colo who designed those turrets for me for my Grenadier class BB's, so I figured with his knowledge of WW2 ships it was ok. *shrug*

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"Anybody remotely interesting is mad in some way." - The Seventh Doctor

A little more done on it. Finally got some props on her, and filled in the railings where I had made some changes, changed the commissioning year to '42, and swapped out the main radar. Still got more to do, but thought I'd post this for now. Thinking I might take the 12.7mm mounts off and replace them with either more 20's or 40's?

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"Anybody remotely interesting is mad in some way." - The Seventh Doctor

I like her lines.

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𝐌𝐀𝐓𝐇𝐍𝐄𝐓- 𝑻𝒐 𝑪𝒐𝒈𝒊𝒕𝒂𝒕𝒆 𝒂𝒏𝒅 𝒕𝒐 𝑺𝒐𝒍𝒗𝒆

Nice work.

Why do you have three main battery directors? Most US battleships only had two for 360-degree coverage.

combat redundency? either that, or I got carried away.

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"Anybody remotely interesting is mad in some way." - The Seventh Doctor

Well, the first step should be to toss all the 12.7mm HMGs.
Next you should replace all the current 20mm guns with the new corrected drawings found here
Like Bill I'd sat away from the 40mm Mark VI on the turrets, not because it requires below deck support (I don't know whether it does or not), but because 1) it's a post war mount and 2) you'll never be able to keep it supplied with ammunition. The thing had six guns and ate ammunition like there was no tomorrow. The only way you can get ammunition up there is by carrying party and they'll never be able to carry anywhere near enough.
Also, the main reason for placing AA guns on top of the main turrets was because they could fire ahead and astern, allowing them to engage crossing targets. You've placed a director right in front of it. I don't think I'll have to tell you why that's a bad idea.
Speaking of directors, you have too many for your main battery and not enough for the rest, especially light AA directors. The Iowa class had at least a handful on each side and a couple more on the centreline, you've got three on the centreline and that's it.
You've also got a curious selection of old-style range finders which seems kinda redundant when you've got proper directors with radars and rangefinders built in.
Oh and one last thing, you don't actually have any main directors, all you have is the radars. Colo made this nice sheet showing how the entire assembly actually looks.

As an interesting side note, the mk 8 ranging radar was the world's first operational phased array radar.

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“Close” only counts with horseshoes, hand grenades, and tactical nuclear weapons.
That which does not kill me has made a grave tactical error

Worklist

Source Materiel is always welcome.

Yeah, been considering ditching the light 12.7's anyhow.

The rest, I'll take a look at and see what requires tweaking, removing or remodeling. Thanks.

_________________
"Anybody remotely interesting is mad in some way." - The Seventh Doctor

Always happy to be of service.

_________________
“Close” only counts with horseshoes, hand grenades, and tactical nuclear weapons.
That which does not kill me has made a grave tactical error

Worklist

Source Materiel is always welcome.

and a bit more tweaking



I decided to keep the 20mm I've been using on my other ships, mostly because I don't really want to have to go back and swap every one of them out.

Light armament has been changed to 40 x 40mm (3 x 4; 14 x 2) and 44 x 20mm (22 x 2)

EDIT: thought I might include what I came up with in SS too. Not sure how accurate I got. I always worry about that.

Sentinel, Grays Harbor Battlecruiser laid down 1936

Displacement:
26,822 t light; 28,559 t standard; 31,318 t normal; 33,525 t full load

Dimensions: Length overall / water x beam x draught
743.00 ft / 715.00 ft x 102.00 ft x 30.00 ft (normal load)
226.47 m / 217.93 m x 31.09 m x 9.14 m

Armament:
6 - 16.00" / 406 mm guns (3x2 guns), 2,048.00lbs / 928.96kg shells, 1936 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
16 - 4.50" / 114 mm guns (8x2 guns), 45.56lbs / 20.67kg shells, 1936 Model
Dual purpose guns in turrets (on barbettes)
on side, all amidships
40 - 1.57" / 40.0 mm guns (17 mounts), 1.95lbs / 0.88kg shells, 1936 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 8 raised mounts
44 - 0.79" / 20.0 mm guns (22x2 guns), 0.24lbs / 0.11kg shells, 1936 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 4 raised mounts
Weight of broadside 13,106 lbs / 5,945 kg
Shells per gun, main battery: 150

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 8.00" / 203 mm 420.00 ft / 128.02 m 31.00 ft / 9.45 m
Ends: 2.00" / 51 mm 250.00 ft / 76.20 m 10.00 ft / 3.05 m
45.00 ft / 13.72 m Unarmoured ends
Main Belt covers 90 % of normal length
Main belt does not fully cover magazines and engineering spaces

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 10.0" / 254 mm 6.00" / 152 mm 8.00" / 203 mm
2nd: 4.00" / 102 mm 2.00" / 51 mm 3.00" / 76 mm
3rd: 1.00" / 25 mm - -

- Armour deck: 4.00" / 102 mm, Conning tower: 10.00" / 254 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 213,350 shp / 159,159 Kw = 34.00 kts
Range 11,500nm at 15.00 kts
Bunker at max displacement = 4,966 tons

Complement:
1,176 - 1,530

Cost:
£16.625 million / $66.499 million

Distribution of weights at normal displacement:
Armament: 1,638 tons, 5.2 %
Armour: 10,798 tons, 34.5 %
- Belts: 4,766 tons, 15.2 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 2,218 tons, 7.1 %
- Armour Deck: 3,599 tons, 11.5 %
- Conning Tower: 214 tons, 0.7 %
Machinery: 5,986 tons, 19.1 %
Hull, fittings & equipment: 8,400 tons, 26.8 %
Fuel, ammunition & stores: 4,496 tons, 14.4 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
20,250 lbs / 9,185 Kg = 9.9 x 16.0 " / 406 mm shells or 2.7 torpedoes
Stability (Unstable if below 1.00): 1.09
Metacentric height 6.1 ft / 1.9 m
Roll period: 17.3 seconds
Steadiness - As gun platform (Average = 50 %): 61 %
- Recoil effect (Restricted arc if above 1.00): 0.74
Seaboat quality (Average = 1.00): 1.01

Hull form characteristics:
Hull has raised forecastle, rise aft of midbreak, low quarterdeck
Block coefficient: 0.501
Length to Beam Ratio: 7.01 : 1
'Natural speed' for length: 26.74 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 60
Bow angle (Positive = bow angles forward): 32.35 degrees
Stern overhang: 9.00 ft / 2.74 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 30.00 ft / 9.14 m
- Forecastle (22 %): 25.00 ft / 7.62 m (24.00 ft / 7.32 m aft of break)
- Mid (52 %): 24.00 ft / 7.32 m (32.00 ft / 9.75 m aft of break)
- Quarterdeck (17 %): 23.00 ft / 7.01 m (32.00 ft / 9.75 m before break)
- Stern: 23.00 ft / 7.01 m
- Average freeboard: 26.97 ft / 8.22 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 102.5 %
- Above water (accommodation/working, high = better): 221.1 %
Waterplane Area: 48,636 Square feet or 4,518 Square metres
Displacement factor (Displacement / loading): 87 %
Structure weight / hull surface area: 117 lbs/sq ft or 573 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.54
- Longitudinal: 1.10
- Overall: 0.58
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent

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"Anybody remotely interesting is mad in some way." - The Seventh Doctor