Erich Koellner, German Heavy Destroyer laid down 1938
Displacement: 2,850 t light; 2,990 t standard; 3,288 t normal; 3,527 t full load
Dimensions: Length overall / water x beam x draught
483.15 ft / 465.88 ft x 44.29 ft x 13.94 ft (normal load) [147.26 m / 142.00 m x 13.50 m x 4.25 m]
Armament:
6 - 5.91" / 150 mm guns (3x2 guns), 99.87lbs / 45.30kg shells, 1937 Model Breech loading guns in deck mounts with hoists on centreline ends, majority forward, 1 raised mount - superfiring
4 - 3.46" / 88.0 mm guns (2x2 guns), 20.79lbs / 9.43kg shells, 1937 Model Dual purpose guns in deck mounts on centreline, all aft, all raised mounts - superfiring
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1937 Model Anti-aircraft guns in deck mounts on side, evenly spread
16 - 0.79" / 20.0 mm guns (4x4 guns), 0.24lbs / 0.11kg shells, 1937 Model Machine guns in deck mounts on side, evenly spread, all raised mounts
Weight of broadside 699 lbs / 317 kg
Shells per gun, main battery: 180
8 - 23.6" / 600 mm above water torpedoes
Armour:
Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.76" / 70 mm 1.57" / 40 mm 2.76" / 70 mm
2nd: 1.18" / 30 mm 0.79" / 20 mm -
3rd: 0.79" / 20 mm 0.79" / 20 mm -
4th: 0.39" / 10 mm - -
Conning tower: 2.76" / 70 mm
Machinery:
Oil fired boilers, steam turbines, Geared drive, 2 shafts, 57,418 shp / 42,834 Kw = 35.50 kts
Range 5,000nm at 15.00 kts
Bunker at max displacement = 537 tons
Complement: 216 - 282
Cost: £2.083 million / $8.331 million
Distribution of weights at normal displacement:
Armament: 90 tons, 2.7 %
Armour: 79 tons, 2.4 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 66 tons, 2.0 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 13 tons, 0.4 %
Machinery: 1,477 tons, 44.9 %
Hull, fittings & equipment: 1,095 tons, 33.3 %
Fuel, ammunition & stores: 438 tons, 13.3 %
Miscellaneous weights: 110 tons, 3.3 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship): 1,050 lbs / 476 Kg = 10.2 x 5.9 " / 150 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.20
Metacentric height 2.1 ft / 0.6 m
Roll period: 12.9 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.58
Seaboat quality (Average = 1.00): 1.20
Hull form characteristics:
Hull has rise forward of midbreak and transom stern
Block coefficient: 0.400
Length to Beam Ratio: 10.52 : 1
'Natural speed' for length: 24.86 kts
Power going to wave formation at top speed: 62 %
Trim (Max stability = 0, Max steadiness = 100): 58
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 1.64 ft / 0.50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 27.07 ft / 8.25 m
- Forecastle (20 %): 22.15 ft / 6.75 m
- Mid (40 %): 22.15 ft / 6.75 m (15.58 ft / 4.75 m aft of break)
- Quarterdeck (15 %): 15.58 ft / 4.75 m
- Stern: 15.58 ft / 4.75 m
- Average freeboard: 18.60 ft / 5.67 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 170.0 %
- Above water (accommodation/working, high = better): 135.5 %
Waterplane Area: 13,182 Square feet or 1,225 Square metres
Displacement factor (Displacement / loading): 80 %
Structure weight / hull surface area: 45 lbs/sq ft or 220 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.56
- Overall: 0.56
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
10 tons reserved for depth charges and rails
20 tons reserved for radar
80 tons reserved for mines and growth
Legend as refitted
Erich Koellner, German Heavy Destroyer laid down 1937
Displacement:
2,850 t light; 2,990 t standard; 3,288 t normal; 3,527 t full load
Dimensions: Length overall / water x beam x draught
483.15 ft / 465.88 ft x 44.29 ft x 13.94 ft (normal load)
147.26 m / 142.00 m x 13.50 m x 4.25 m
Armament:
6 - 5.91" / 150 mm guns (3x2 guns), 99.87lbs / 45.30kg shells, 1937 Model
Breech loading guns in deck mounts with hoists
on centreline ends, majority forward, 1 raised mount - superfiring
4 - 3.46" / 88.0 mm guns (2x2 guns), 20.79lbs / 9.43kg shells, 1937 Model
Dual purpose guns in deck mounts
on centreline ends, evenly spread, all raised mounts - superfiring
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1938 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
16 - 0.79" / 20.0 mm guns (4x4 guns), 0.24lbs / 0.11kg shells, 1938 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 699 lbs / 317 kg
Shells per gun, main battery: 180
8 - 21.0" / 533.4 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.76" / 70 mm 1.57" / 40 mm 2.76" / 70 mm
2nd: 1.18" / 30 mm 0.79" / 20 mm -
3rd: 0.79" / 20 mm 0.79" / 20 mm -
4th: 0.39" / 10 mm 0.39" / 10 mm -
- Conning tower: 2.76" / 70 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 57,418 shp / 42,834 Kw = 35.50 kts
Range 5,000nm at 15.00 kts
Bunker at max displacement = 537 tons
Complement:
216 - 282
Cost:
£2.087 million / $8.350 million
Distribution of weights at normal displacement:
Armament: 90 tons, 2.7 %
Armour: 80 tons, 2.4 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 67 tons, 2.0 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 13 tons, 0.4 %
Machinery: 1,483 tons, 45.1 %
Hull, fittings & equipment: 1,137 tons, 34.6 %
Fuel, ammunition & stores: 438 tons, 13.3 %
Miscellaneous weights: 60 tons, 1.8 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,110 lbs / 503 Kg = 10.8 x 5.9 " / 150 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.22
Metacentric height 2.1 ft / 0.6 m
Roll period: 12.8 seconds
Steadiness - As gun platform (Average = 50 %): 69 %
- Recoil effect (Restricted arc if above 1.00): 0.58
Seaboat quality (Average = 1.00): 1.20
Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.400
Length to Beam Ratio: 10.52 : 1
'Natural speed' for length: 24.86 kts
Power going to wave formation at top speed: 62 %
Trim (Max stability = 0, Max steadiness = 100): 58
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 1.64 ft / 0.50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 27.07 ft / 8.25 m
- Forecastle (20 %): 22.15 ft / 6.75 m
- Mid (40 %): 22.15 ft / 6.75 m (15.58 ft / 4.75 m aft of break)
- Quarterdeck (15 %): 15.58 ft / 4.75 m
- Stern: 15.58 ft / 4.75 m
- Average freeboard: 18.60 ft / 5.67 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 169.0 %
- Above water (accommodation/working, high = better): 150.0 %
Waterplane Area: 13,182 Square feet or 1,225 Square metres
Displacement factor (Displacement / loading): 81 %
Structure weight / hull surface area: 47 lbs/sq ft or 229 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.52
- Longitudinal: 1.62
- Overall: 0.58
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent
Breakdown of Miscellaneous Weight:
20 tons for Air/Surface Search Radar
20 tons for Fire Control Radar
20 tons for Depth Charge Racks and Four A/S mortars
Summary of Refit: (Level 2, Cost 5% for vessels under 2,999 tons)
Addition of radar and associated equipment
Changes to gun directors
Alteration of guns smaller than 65mm not served by hoists
Changes to torpedo carriages
Changes to depth charge racks and throwers
Minor changes to superstructure to accommodate the above
Cost to effect refit: 143 tons. Time to effect refit: 18 days. Time for Post-Refit Trials: 9 days.
All units refitted as described 1942
The six units of this class were sold to the Russian Federation in October 1945 for further service