School/Cadet ship, Gorch Fock BCS Ligth Cruiser type laid down 1917 (Engine 1916)
Displacement:
4.233 t light; 4.379 t standard; 5.544 t normal; 6.476 t full load
Dimensions: Length overall / water x beam x draught
478,61 ft / 475,72 ft x 42,65 ft x 18,04 ft (normal load)
145,88 m / 145,00 m x 13,00 m x 5,50 m
Armament:
2 - 5,91" / 150 mm guns (1x2 guns), 102,98lbs / 46,71kg shells, 1917 Model
Quick firing guns in a deck mount with hoist
on centreline forward
1 - 5,91" / 150 mm guns in single mounts, 102,98lbs / 46,71kg shells, 1917 Model
Quick firing gun in a deck mount with hoist
on centreline forward, 1 raised gun
2 - 3,94" / 100 mm guns in single mounts, 30,51lbs / 13,84kg shells, 1917 Model
Quick firing guns in deck mounts
on centreline, all aft, 1 raised mount
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1917 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 1 raised mount
2 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1917 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 378 lbs / 172 kg
Shells per gun, main battery: 150
2 - 18,0" / 457,2 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3,94" / 100 mm 356,79 ft / 108,75 m 7,84 ft / 2,39 m
Ends: Unarmoured
Upper: 1,97" / 50 mm 356,79 ft / 108,75 m 8,01 ft / 2,44 m
Main Belt covers 115 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,98" / 25 mm 0,98" / 25 mm 0,98" / 25 mm
- Armour deck: 1,97" / 50 mm, Conning tower: 3,94" / 100 mm
Machinery:
Diesel Internal combustion motors,
Electric cruising motors plus geared drives, 3 shafts, 27.854 shp / 20.779 Kw = 26,00 kts
Range 12.000nm at 14,00 kts
Bunker at max displacement = 2.097 tons
Complement:
320 - 417
Cost:
£0,606 million / $2,423 million
Distribution of weights at normal displacement:
Armament: 47 tons, 0,9 %
Armour: 1.215 tons, 21,9 %
- Belts: 674 tons, 12,2 %
- Torpedo bulkhead: 0 tons, 0,0 %
- Armament: 9 tons, 0,2 %
- Armour Deck: 506 tons, 9,1 %
- Conning Tower: 27 tons, 0,5 %
Machinery: 1.038 tons, 18,7 %
Hull, fittings & equipment: 1.633 tons, 29,5 %
Fuel, ammunition & stores: 1.311 tons, 23,6 %
Miscellaneous weights: 300 tons, 5,4 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
8.066 lbs / 3.658 Kg = 78,3 x 5,9 " / 150 mm shells or 1,6 torpedoes
Stability (Unstable if below 1.00): 1,20
Metacentric height 2,0 ft / 0,6 m
Roll period: 12,8 seconds
Steadiness - As gun platform (Average = 50 %): 61 %
- Recoil effect (Restricted arc if above 1.00): 0,21
Seaboat quality (Average = 1.00): 1,22
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,530
Length to Beam Ratio: 11,15 : 1
'Natural speed' for length: 21,81 kts
Power going to wave formation at top speed: 50 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 10,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 16,40 ft / 5,00 m
- Forecastle (10 %): 13,58 ft / 4,14 m
- Mid (50 %): 13,58 ft / 4,14 m
- Quarterdeck (15 %): 13,58 ft / 4,14 m
- Stern: 13,58 ft / 4,14 m
- Average freeboard: 13,70 ft / 4,17 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 74,1 %
- Above water (accommodation/working, high = better): 106,8 %
Waterplane Area: 13.898 Square feet or 1.291 Square metres
Displacement factor (Displacement / loading): 140 %
Structure weight / hull surface area: 70 lbs/sq ft or 342 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,99
- Longitudinal: 1,10
- Overall: 1,00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate
Good seaboat, rides out heavy weather easily
Misc Weigth :
L/R W/L 25 tns
torpedoes + 1 reload 10 tns
Accomodation for 50 Cadets 200 tns (4 tns pr cadet)
Classrooms 60 tns(enlarged superstucture)
Gunnery notes:
One twin 150 mm +one single 150 mm superfiring forward
2 sinle 100 mm Q.F one superfirng
carry only one tp reload