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cpmcpm13 asked me to make a modernised version of the Viribus Unitis class Battleship SMS Szent István the sole Hungarian battleship of her class. As you can see, here she is. I've decided to make a mix of Italian and German constructions equipment and weaponry.
The changes included in the modernisation as follows:
- Removed Underwater Torpedo tubes.
- Installation of the Pugliese underwater defence system and thickened deck armour to 86mm form 48mm.
- 1,5meters of bulges added to provide necessary stability.
- Replacing the engines with more modern and stronger types.
- Modifying the main turrets to achieve higher elevations of the barrels as well as stronger armour for the face and roof plates.
- German made 10,5cm SK C/33 AA guns provide the heavy AA fire.
- Italian made Breda 20mm Model 1935 and 37mm Model 1932 light AA guns for close range fire.
- Italian Catapult and Seaplane (IMAM Ro.43) for spotting on both sides.
- Completely rebuilt superstructure similar to the Andra Doria, Guilio Cesare and Littorio classes with funnel similar used in the Gneisenau.
- Rangefinder equipment of German origin
Did you guys notice a small amount of patriotism?
The simulation:
SMS Szent István, Austro-Hungarian Battleship laid down 1912 (Engine 1935)
Displacement:
22 050 t light; 23 237 t standard; 23 818 t normal; 24 283 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(508,53 ft / 495,41 ft) x 90,22 ft (Bulges 98,43 ft) x (29,53 / 30,03 ft)
(155,00 m / 151,00 m) x 27,50 m (Bulges 30,00 m) x (9,00 / 9,15 m)
Armament:
12 - 12,00" / 305 mm 42,0 cal guns - 992,08lbs / 450,00kg shells, 80 per gun
Breech loading guns in turret on barbette mounts, 1910 Model
4 x 3-gun mounts on centreline ends, evenly spread
2 raised mounts - superfiring
12 - 5,91" / 150 mm 47,0 cal guns - 107,12lbs / 48,59kg shells, 150 per gun
Quick firing guns in casemate mounts, 1910 Model
12 x Single mounts on sides, evenly spread
12 hull mounts in casemates- Limited use in heavy seas
8 - 4,13" / 105 mm 65,0 cal guns - 33,29lbs / 15,10kg shells, 300 per gun
Anti-air guns in deck mounts, 1933 Model
4 x Twin mounts on sides, evenly spread
16 - 1,46" / 37,0 mm 54,0 cal guns - 1,81lbs / 0,82kg shells, 1 400 per gun
Anti-air guns in deck mounts, 1932 Model
4 x Twin mounts on side ends, evenly spread
4 x Twin mounts on side ends, evenly spread
4 double raised mounts
30 - 0,79" / 20,0 mm 65,0 cal guns - 0,31lbs / 0,14kg shells, 1 500 per gun
Machine guns in deck mounts, 1935 Model
12 x Twin mounts on sides, evenly spread
8 raised mounts
3 x Twin mounts on side ends, majority forward
3 double raised mounts
Weight of broadside 13 495 lbs / 6 121 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 11,0" / 280 mm 360,89 ft / 110,00 m 13,12 ft / 4,00 m
Ends: 5,91" / 150 mm 134,51 ft / 41,00 m 13,12 ft / 4,00 m
Upper: 7,09" / 180 mm 360,89 ft / 110,00 m 9,84 ft / 3,00 m
Main Belt covers 112 % of normal length
- Torpedo Bulkhead - Strengthened structural bulkheads:
3,94" / 100 mm 360,89 ft / 110,00 m 27,89 ft / 8,50 m
Beam between torpedo bulkheads 75,46 ft / 23,00 m
- Hull Bulges:
2,95" / 75 mm 360,89 ft / 110,00 m 27,89 ft / 8,50 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 12,0" / 305 mm 7,87" / 200 mm 11,0" / 280 mm
2nd: 7,09" / 180 mm - -
3rd: 0,39" / 10 mm - -
- Armoured deck - multiple decks:
For and Aft decks: 3,39" / 86 mm
Forecastle: 1,89" / 48 mm Quarter deck: 1,89" / 48 mm
- Conning towers: Forward 11,02" / 280 mm, Aft 2,36" / 60 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 65 719 shp / 49 027 Kw = 25,00 kts
Range 4 000nm at 12,00 kts
Bunker at max displacement = 1 045 tons
Complement:
958 - 1 246
Cost:
£1,998 million / $7,992 million
Distribution of weights at normal displacement:
Armament: 2 358 tons, 9,9 %
- Guns: 2 358 tons, 9,9 %
Armour: 11 079 tons, 46,5 %
- Belts: 3 743 tons, 15,7 %
- Torpedo bulkhead: 1 466 tons, 6,2 %
- Bulges: 1 100 tons, 4,5 %
- Armament: 2 623 tons, 11,0 %
- Armour Deck: 1 908 tons, 8,0 %
- Conning Towers: 239 tons, 1,0 %
Machinery: 1 867 tons, 7,8 %
Hull, fittings & equipment: 6 571 tons, 27,6 %
Fuel, ammunition & stores: 1 768 tons, 7,4 %
Miscellaneous weights: 175 tons, 0,7 %
- Hull below water: 50 tons
- Bulge void weights: 50 tons
- Hull above water: 50 tons
- On freeboard deck: 15 tons
- Above deck: 10 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
37 744 lbs / 17 120 Kg = 43,7 x 12,0 " / 305 mm shells or 7,9 torpedoes
Stability (Unstable if below 1.00): 1,21
Metacentric height 6,0 ft / 1,8 m
Roll period: 16,8 seconds
Steadiness - As gun platform (Average = 50 %): 52 %
- Recoil effect (Restricted arc if above 1.00): 0,62
Seaboat quality (Average = 1.00): 1,05
Hull form characteristics:
Hull has a flush deck,
a ram bow and a cruiser stern
Block coefficient (normal/deep): 0,579 / 0,580
Length to Beam Ratio: 5,03 : 1
'Natural speed' for length: 22,26 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0,00 degrees
Stern overhang: 6,56 ft / 2,00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 16,00 %, 22,97 ft / 7,00 m, 22,97 ft / 7,00 m
- Forward deck: 36,40 %, 22,97 ft / 7,00 m, 21,33 ft / 6,50 m
- Aft deck: 36,40 %, 21,33 ft / 6,50 m, 21,33 ft / 6,50 m
- Quarter deck: 11,20 %, 21,33 ft / 6,50 m, 21,33 ft / 6,50 m
- Average freeboard: 21,89 ft / 6,67 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 76,0 %
- Above water (accommodation/working, high = better): 138,5 %
Waterplane Area: 32 054 Square feet or 2 978 Square metres
Displacement factor (Displacement / loading): 99 %
Structure weight / hull surface area: 194 lbs/sq ft or 946 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,90
- Longitudinal: 2,71
- Overall: 1,00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
The changes included in the modernisation as follows:
- Removed Underwater Torpedo tubes.
- Installation of the Pugliese underwater defence system and thickened deck armour to 86mm form 48mm.
- 1,5meters of bulges added to provide necessary stability.
- Replacing the engines with more modern and stronger types.
- Modifying the main turrets to achieve higher elevations of the barrels as well as stronger armour for the face and roof plates.
- German made 10,5cm SK C/33 AA guns provide the heavy AA fire.
- Italian made Breda 20mm Model 1935 and 37mm Model 1932 light AA guns for close range fire.
- Italian Catapult and Seaplane (IMAM Ro.43) for spotting on both sides.
- Completely rebuilt superstructure similar to the Andra Doria, Guilio Cesare and Littorio classes with funnel similar used in the Gneisenau.
- Rangefinder equipment of German origin
Did you guys notice a small amount of patriotism?
The simulation:
SMS Szent István, Austro-Hungarian Battleship laid down 1912 (Engine 1935)
Displacement:
22 050 t light; 23 237 t standard; 23 818 t normal; 24 283 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(508,53 ft / 495,41 ft) x 90,22 ft (Bulges 98,43 ft) x (29,53 / 30,03 ft)
(155,00 m / 151,00 m) x 27,50 m (Bulges 30,00 m) x (9,00 / 9,15 m)
Armament:
12 - 12,00" / 305 mm 42,0 cal guns - 992,08lbs / 450,00kg shells, 80 per gun
Breech loading guns in turret on barbette mounts, 1910 Model
4 x 3-gun mounts on centreline ends, evenly spread
2 raised mounts - superfiring
12 - 5,91" / 150 mm 47,0 cal guns - 107,12lbs / 48,59kg shells, 150 per gun
Quick firing guns in casemate mounts, 1910 Model
12 x Single mounts on sides, evenly spread
12 hull mounts in casemates- Limited use in heavy seas
8 - 4,13" / 105 mm 65,0 cal guns - 33,29lbs / 15,10kg shells, 300 per gun
Anti-air guns in deck mounts, 1933 Model
4 x Twin mounts on sides, evenly spread
16 - 1,46" / 37,0 mm 54,0 cal guns - 1,81lbs / 0,82kg shells, 1 400 per gun
Anti-air guns in deck mounts, 1932 Model
4 x Twin mounts on side ends, evenly spread
4 x Twin mounts on side ends, evenly spread
4 double raised mounts
30 - 0,79" / 20,0 mm 65,0 cal guns - 0,31lbs / 0,14kg shells, 1 500 per gun
Machine guns in deck mounts, 1935 Model
12 x Twin mounts on sides, evenly spread
8 raised mounts
3 x Twin mounts on side ends, majority forward
3 double raised mounts
Weight of broadside 13 495 lbs / 6 121 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 11,0" / 280 mm 360,89 ft / 110,00 m 13,12 ft / 4,00 m
Ends: 5,91" / 150 mm 134,51 ft / 41,00 m 13,12 ft / 4,00 m
Upper: 7,09" / 180 mm 360,89 ft / 110,00 m 9,84 ft / 3,00 m
Main Belt covers 112 % of normal length
- Torpedo Bulkhead - Strengthened structural bulkheads:
3,94" / 100 mm 360,89 ft / 110,00 m 27,89 ft / 8,50 m
Beam between torpedo bulkheads 75,46 ft / 23,00 m
- Hull Bulges:
2,95" / 75 mm 360,89 ft / 110,00 m 27,89 ft / 8,50 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 12,0" / 305 mm 7,87" / 200 mm 11,0" / 280 mm
2nd: 7,09" / 180 mm - -
3rd: 0,39" / 10 mm - -
- Armoured deck - multiple decks:
For and Aft decks: 3,39" / 86 mm
Forecastle: 1,89" / 48 mm Quarter deck: 1,89" / 48 mm
- Conning towers: Forward 11,02" / 280 mm, Aft 2,36" / 60 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 65 719 shp / 49 027 Kw = 25,00 kts
Range 4 000nm at 12,00 kts
Bunker at max displacement = 1 045 tons
Complement:
958 - 1 246
Cost:
£1,998 million / $7,992 million
Distribution of weights at normal displacement:
Armament: 2 358 tons, 9,9 %
- Guns: 2 358 tons, 9,9 %
Armour: 11 079 tons, 46,5 %
- Belts: 3 743 tons, 15,7 %
- Torpedo bulkhead: 1 466 tons, 6,2 %
- Bulges: 1 100 tons, 4,5 %
- Armament: 2 623 tons, 11,0 %
- Armour Deck: 1 908 tons, 8,0 %
- Conning Towers: 239 tons, 1,0 %
Machinery: 1 867 tons, 7,8 %
Hull, fittings & equipment: 6 571 tons, 27,6 %
Fuel, ammunition & stores: 1 768 tons, 7,4 %
Miscellaneous weights: 175 tons, 0,7 %
- Hull below water: 50 tons
- Bulge void weights: 50 tons
- Hull above water: 50 tons
- On freeboard deck: 15 tons
- Above deck: 10 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
37 744 lbs / 17 120 Kg = 43,7 x 12,0 " / 305 mm shells or 7,9 torpedoes
Stability (Unstable if below 1.00): 1,21
Metacentric height 6,0 ft / 1,8 m
Roll period: 16,8 seconds
Steadiness - As gun platform (Average = 50 %): 52 %
- Recoil effect (Restricted arc if above 1.00): 0,62
Seaboat quality (Average = 1.00): 1,05
Hull form characteristics:
Hull has a flush deck,
a ram bow and a cruiser stern
Block coefficient (normal/deep): 0,579 / 0,580
Length to Beam Ratio: 5,03 : 1
'Natural speed' for length: 22,26 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0,00 degrees
Stern overhang: 6,56 ft / 2,00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 16,00 %, 22,97 ft / 7,00 m, 22,97 ft / 7,00 m
- Forward deck: 36,40 %, 22,97 ft / 7,00 m, 21,33 ft / 6,50 m
- Aft deck: 36,40 %, 21,33 ft / 6,50 m, 21,33 ft / 6,50 m
- Quarter deck: 11,20 %, 21,33 ft / 6,50 m, 21,33 ft / 6,50 m
- Average freeboard: 21,89 ft / 6,67 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 76,0 %
- Above water (accommodation/working, high = better): 138,5 %
Waterplane Area: 32 054 Square feet or 2 978 Square metres
Displacement factor (Displacement / loading): 99 %
Structure weight / hull surface area: 194 lbs/sq ft or 946 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,90
- Longitudinal: 2,71
- Overall: 1,00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Image size
2900x3600px 1.43 MB
© 2015 - 2024 Tzoli
Comments90
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this looks good and maybe this sounds silly:
but wasn't the completed design for the "improved tegetthoff class" (ersatz monarch), the design which they scrapped last minute (because the war was over etc.).
wasn't this new design already the improved modernised variant of the tegetthoff? it had various improvements to make the vessels more seaworthy and stable, my take on things would be that that version would get the modernisations, not the standard tegetthoff class.
also not really a fan of the 2 catapults as they were getting rid of these rather then adding more of them, in favour of secondaries and more Anti air. having 1 catapult in the center would perhaps been a better idea. then again it's your take on things .
but wasn't the completed design for the "improved tegetthoff class" (ersatz monarch), the design which they scrapped last minute (because the war was over etc.).
wasn't this new design already the improved modernised variant of the tegetthoff? it had various improvements to make the vessels more seaworthy and stable, my take on things would be that that version would get the modernisations, not the standard tegetthoff class.
also not really a fan of the 2 catapults as they were getting rid of these rather then adding more of them, in favour of secondaries and more Anti air. having 1 catapult in the center would perhaps been a better idea. then again it's your take on things .