1939 L 39 α2 Hindenburg

L 39 α2 "Hindenburg", Deutsches Kriegsmarine Schnelles Flugdeckschlachtschiff laid down 1939

Displacement:
	52,527 t light; 55,739 t standard; 62,000 t normal; 67,009 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(997.38 ft / 918.64 ft) x 118.11 ft x (32.81 / 34.91 ft)
	(304.00 m / 280.00 m) x 36.00 m  x (10.00 / 10.64 m)

Armament:
      8 - 14.96" / 380 mm 51.7 cal guns - 1,763.70lbs / 800.00kg shells, 180 per gun
	  Breech loading guns in turret on barbette mounts, 1934 Model
	  2 x Quad mounts on centreline, forward evenly spread
      6 - 5.91" / 150 mm 52.4 cal guns - 100.31lbs / 45.50kg shells, 360 per gun
	  Quick firing guns in deck and hoist mounts, 1925 Model
	  2 x Triple mounts on centreline, aft evenly spread
		2 raised mounts
      32 - 4.13" / 105 mm 60.5 cal guns - 34.83lbs / 15.80kg shells, 600 per gun
	  Quick firing guns in deck and hoist mounts, 1933 Model
	  16 x Twin mounts on sides, aft evenly spread
      24 - 1.57" / 40.0 mm 56.0 cal guns - 2.11lbs / 0.96kg shells, 2,000 per gun
	  Anti-air guns in deck mounts, 1936 Model
	  16 x Single mounts on sides, aft evenly spread
		8 raised mounts
	  8 x Single mounts on sides, aft evenly spread
		8 raised mounts
      40 - 0.79" / 20.0 mm 65.0 cal guns - 0.27lbs / 0.12kg shells, 2,000 per gun
	  Anti-air guns in deck mounts, 1938 Model
	  8 x 2 row quad mounts on sides, aft evenly spread
	  2 x 2 row quad mounts on centreline, aft evenly spread
		2 double raised mounts
      Weight of broadside 15,887 lbs / 7,206 kg

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	15.0" / 380 mm	459.32 ft / 140.00 m	13.12 ft / 4.00 m
	Ends:	3.94" / 100 mm	459.32 ft / 140.00 m	13.12 ft / 4.00 m
	Upper:	4.92" / 125 mm	459.32 ft / 140.00 m	16.40 ft / 5.00 m
	  Main Belt covers 77 % of normal length

   - Torpedo Bulkhead - Additional damage containing bulkheads:
		1.57" / 40 mm	590.55 ft / 180.00 m	26.25 ft / 8.00 m
	Beam between torpedo bulkheads 82.02 ft / 25.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	15.7" / 400 mm	7.87" / 200 mm		15.7" / 400 mm
	2nd:	3.94" / 100 mm	1.97" / 50 mm		3.94" / 100 mm
	3rd:	3.15" / 80 mm	1.18" / 30 mm		3.94" / 100 mm
	4th:	0.79" / 20 mm	      -			      -
	5th:	0.79" / 20 mm	      -			      -

   - Armoured deck - multiple decks:
	For and Aft decks: 3.94" / 100 mm
	Forecastle: 3.94" / 100 mm  Quarter deck: 3.94" / 100 mm

   - Conning towers: Forward 15.75" / 400 mm, Aft 0.00" / 0 mm

Machinery:
	Diesel Internal combustion motors,
	Geared drive, 4 shafts, 170,239 shp / 126,998 Kw = 30.30 kts
	Range 10,000nm at 19.00 kts
	Bunker at max displacement = 11,271 tons

Complement:
	1,963 - 2,553

Cost:
	£24.736 million / $98.943 million

Distribution of weights at normal displacement:
	Armament: 3,277 tons, 5.3 %
	   - Guns: 3,277 tons, 5.3 %
	Armour: 16,805 tons, 27.1 %
	   - Belts: 6,619 tons, 10.7 %
	   - Torpedo bulkhead: 903 tons, 1.5 %
	   - Armament: 2,632 tons, 4.2 %
	   - Armour Deck: 6,120 tons, 9.9 %
	   - Conning Tower: 531 tons, 0.9 %
	Machinery: 4,606 tons, 7.4 %
	Hull, fittings & equipment: 21,710 tons, 35.0 %
	Fuel, ammunition & stores: 9,473 tons, 15.3 %
	Miscellaneous weights: 6,130 tons, 9.9 %
	   - On freeboard deck: 50 tons
	   - Above deck: 6,080 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  137,404 lbs / 62,325 Kg = 82.1 x 15.0 " / 380 mm shells or 21.7 torpedoes
	Stability (Unstable if below 1.00): 1.12
	Metacentric height 7.9 ft / 2.4 m
	Roll period: 17.6 seconds
	Steadiness	- As gun platform (Average = 50 %): 77 %
			- Recoil effect (Restricted arc if above 1.00): 0.52
	Seaboat quality  (Average = 1.00): 1.53

Hull form characteristics:
	Hull has a flush deck,
	  a straight bulbous bow and large transom stern
	Block coefficient (normal/deep): 0.610 / 0.619
	Length to Beam Ratio: 7.78 : 1
	'Natural speed' for length: 34.87 kts
	Power going to wave formation at top speed: 49 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): 45.00 degrees
	Stern overhang: 42.65 ft / 13.00 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	18.00 %,  36.09 ft / 11.00 m,  19.69 ft / 6.00 m
	   - Forward deck:	12.00 %,  19.69 ft / 6.00 m,  32.81 ft / 10.00 m
	   - Aft deck:	38.00 %,  32.81 ft / 10.00 m,  32.81 ft / 10.00 m
	   - Quarter deck:	32.00 %,  32.81 ft / 10.00 m,  32.81 ft / 10.00 m
	   - Average freeboard:		30.84 ft / 9.40 m

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 75.4 %
		- Above water (accommodation/working, high = better): 253.0 %
	Waterplane Area: 83,467 Square feet or 7,754 Square metres
	Displacement factor (Displacement / loading): 127 %
	Structure weight / hull surface area: 199 lbs/sq ft or 972 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.96
		- Longitudinal: 1.33
		- Overall: 1.00
	Excellent machinery, storage, compartmentation space
	Excellent accommodation and workspace room
	Ship has slow, easy roll, a good, steady gun platform
	Excellent seaboat, comfortable, can fire her guns in the heaviest weather

38cm SK C/34 (1934, 51.66cal, 800kg, 36520@30deg, 3rpm
15cm/60 SK C/25 (1925, 52.4cal, 45.5kg, 25700@40deg, 12rpm)
10.5cm/65 SK C/33 (1933, 60.5cal, 15.8kg, range, 18rpm)
4cm/56 Flak 28
2cm/65 C/38 Vierling

201m flight deck, hangar capacity 40 aircraft (12+12+16), total capacity 70 aircraft (12+12+16+16+14 spares) including deck park
Hangar is a british-style enclosed hangar with berthing and storerooms on both sides of the hangar, providing yet additional protection.
2 heavy-duty cranes and 4 gunpowder catapults are provided.

TDS has an additional 50mm structural holding bulkhead. (about 2% of displacement)

Broadside firepower per minute
24x 38cm (19,200kg)
72x 15cm (3,276kg)
288x 10.5cm (4,550kg) (Heavy AA) (41 angels @ 80 deg)
1200x 4cm (1,146kg) (Light AA) (22 angels @ 90 deg)
5280x 2cm (781kg) (Light AA) (12 angels @ 85 deg)