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1

Wednesday, August 26th 2009, 9:43pm

New Dutch ships 1936-1939




2

Wednesday, August 26th 2009, 10:16pm

As always !! Nice drawings !!!

Are these OTL ships of the Netherlands ?

3

Wednesday, August 26th 2009, 10:30pm

RE: New Dutch ships 1936-1939

Quoted

Originally posted by ALVAMA

Uh oh... I suddenly feel the need to rewrite one of two of my naval programs in order to acquire this vessel at all costs...

What kind of specifications does it have? It's beautiful! :)

HoOmAn

Keeper of the Sacred Block Coefficient

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4

Wednesday, August 26th 2009, 10:31pm

Nice drawings....

I just don´t understand the aft rangefinder arrangement on the Bonaire....

I also think those TT tubes are quite short...

5

Thursday, August 27th 2009, 2:06am

Quoted

Uh oh... I suddenly feel the need to rewrite one of two of my naval programs in order to acquire this vessel at all costs...

What kind of specifications does it have? It's beautiful!

Ditto! Looks like a great trade protection cruiser.

6

Thursday, August 27th 2009, 2:14am

I'm thinking maybe 6x6", 21-24 knots, splinter protection armour, good range, 2,500 tons? *Shrugs* I definitely like it! It looks like the grizzled, hard-drinking, hard-fighting bachelor uncle of a Flower-class!

7

Thursday, August 27th 2009, 2:17am

Quite a bit bigger than your idea, but here's a quick and dirty SS2 of what she might look like.


HMAS Savo, Australia Trade Protection Cruiser laid down 1938

Displacement:
4,004 t light; 4,160 t standard; 4,922 t normal; 5,531 t full load

Dimensions: Length overall / water x beam x draught
481.66 ft / 470.00 ft x 49.00 ft x 17.00 ft (normal load)
146.81 m / 143.26 m x 14.94 m x 5.18 m

Armament:
6 - 6.00" / 152 mm guns (3x2 guns), 108.00lbs / 48.99kg shells, 1938 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
12 - 1.57" / 40.0 mm guns (3x4 guns), 1.95lbs / 0.89kg shells, 1938 Model
Anti-aircraft guns in deck mounts
on centreline, evenly spread
20 - 0.79" / 20.0 mm guns (10x2 guns), 0.24lbs / 0.11kg shells, 1938 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 676 lbs / 307 kg
Shells per gun, main battery: 150
12 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.00" / 76 mm 300.00 ft / 91.44 m 9.00 ft / 2.74 m
Ends: Unarmoured
Main Belt covers 98 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.00" / 76 mm 1.50" / 38 mm 3.00" / 76 mm

- Armour deck: 1.50" / 38 mm, Conning tower: 1.50" / 38 mm

Machinery:
Oil fired boilers, steam turbines,
Electric motors, 4 shafts, 38,703 shp / 28,872 Kw = 30.00 kts
Range 10,500nm at 15.00 kts
Bunker at max displacement = 1,371 tons

Complement:
293 - 381

Cost:
£2.026 million / $8.105 million

Distribution of weights at normal displacement:
Armament: 85 tons, 1.7 %
Armour: 920 tons, 18.7 %
- Belts: 338 tons, 6.9 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 152 tons, 3.1 %
- Armour Deck: 420 tons, 8.5 %
- Conning Tower: 9 tons, 0.2 %
Machinery: 1,060 tons, 21.5 %
Hull, fittings & equipment: 1,689 tons, 34.3 %
Fuel, ammunition & stores: 918 tons, 18.7 %
Miscellaneous weights: 250 tons, 5.1 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
6,027 lbs / 2,734 Kg = 55.8 x 6.0 " / 152 mm shells or 1.3 torpedoes
Stability (Unstable if below 1.00): 1.16
Metacentric height 2.3 ft / 0.7 m
Roll period: 13.7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.43
Seaboat quality (Average = 1.00): 1.52

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.440
Length to Beam Ratio: 9.59 : 1
'Natural speed' for length: 25.01 kts
Power going to wave formation at top speed: 57 %
Trim (Max stability = 0, Max steadiness = 100): 46
Bow angle (Positive = bow angles forward): 25.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25.00 ft / 7.62 m
- Forecastle (30 %): 20.00 ft / 6.10 m
- Mid (40 %): 20.00 ft / 6.10 m
- Quarterdeck (20 %): 17.00 ft / 5.18 m
- Stern: 17.00 ft / 5.18 m
- Average freeboard: 19.40 ft / 5.91 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 89.2 %
- Above water (accommodation/working, high = better): 118.6 %
Waterplane Area: 15,135 Square feet or 1,406 Square metres
Displacement factor (Displacement / loading): 124 %
Structure weight / hull surface area: 63 lbs/sq ft or 305 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.69
- Longitudinal: 1.92
- Overall: 0.77
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

8

Thursday, August 27th 2009, 2:22am

Actually might be about right. I was thinking she was shorter than that, but when I looked at the scale again, I bet that's just about her length.

9

Thursday, August 27th 2009, 6:56am

If Australia really wants something that goofy, you should make an offer on the RCN Dianas :P

Kaiser Kirk

Lightbringer and former European Imperialist

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10

Thursday, August 27th 2009, 8:42am

It is a lovely vessel. :)

The Dutch experimented with floatplanes on DDs OTL, but the mid-ships station here looks potentially viable, and the dispersed scouting could be handy.

Given the length, the TTs are a bit under 10m, while Dutch Torps were less than that, so it should be fine.

Fox's sim puts her size as a tad larger than Arethusa's. Really not that expensive for a fairly capable vessel. Might exchange the 6" for 125mm for DP capacity in fleet escort roles.

The 70m looks like gunboat.

HoOmAn

Keeper of the Sacred Block Coefficient

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11

Thursday, August 27th 2009, 10:44am

Her small funnel indicates a small engine. I´d expect a speed of less than 20 knots.

I think she could be in the range of those (relatively) large USN Coast Guard Cutters that featured 4x 6" and much other stuff.

12

Thursday, August 27th 2009, 1:13pm

Scale is 1 foot = 2 pixels

So oa length is 462 feet, wl length 434 feet, draught is 15ft 6ins.

Nice drawings and I just love that sloop. Looks very much like a period peice.

13

Friday, August 28th 2009, 10:51am

Thanks for the Great replays

Thanks shipmates!!

I'm trying to modfied some things and post them soon. Also I"m working on a CA of the Navy, I'll post soon!! :D :D :D

The funnel pipe is bigger, It's more like the Japanese cruiser like Mogami had with a winding, and that is more in the IN of the ship......
I'll try to make a special view on it :)

Speed 24 knots

14

Friday, August 28th 2009, 5:39pm

Destertfox, this is her big sister


15

Friday, August 28th 2009, 6:32pm

Myself, I think I'd switch the positions of the raised secondary turret and the boats beside the aft superstructure, to lessen the possibility of a single hit knocking out both secondary turrets at a blow.

Also, why is the aft secondary director (I assume that's what it is) mounted forward of the other, higher, rangefinder?

16

Friday, August 28th 2009, 6:58pm

I agree, the rangefinder layout seems odd. Her bridge kinda reminds me of the Spanish Canarias, she looks good!

17

Friday, August 28th 2009, 8:34pm

The most above radar Like a ''T'' and the Box under it are for the main armament. also the Aft-stern tower for the other main turrets, yes I'm forgotten to add second director...now they have seen on the funnel and on the tower in total 3 boxes.

Thanks that you like it guys!! It's indeed based on the Spanish tower :)



18

Saturday, August 29th 2009, 7:29am

I still think you should flip those aft directors around. Also your prop guards should be over the outboard set of propellors.

Other than that I like the look of her alot!

19

Saturday, August 29th 2009, 12:35pm

It looks like there might be a sonar set under the bow and depth charges on the stern, neither of which should be on a cruiser. Removing the depth charge racks would allow those two gun tubs aft to move to the extreme stern, where they'll be less affected by blast from the main battery firing astern.

20

Saturday, August 29th 2009, 3:32pm

I'll remove them :)

Quoted

Originally posted by Hrolf Hakonson
It looks like there might be a sonar set under the bow and depth charges on the stern, neither of which should be on a cruiser. Removing the depth charge racks would allow those two gun tubs aft to move to the extreme stern, where they'll be less affected by blast from the main battery firing astern.