Coast Guns

[KWorld]

And a Columbiad Republic 25cm mounting:

Enter ship name, Enter country Enter ship type laid down 1910

Displacement:
   -32 t light; 0 t standard; 0 t normal; 0 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (0.00 ft / 0.00 ft) x 0.00 ft x (0.00 / NaN ft)
   (0.00 m / 0.00 m) x 0.00 m  x (0.00 / NaN m)

Armament:
      1 - 9.84" / 250 mm 45.0 cal gun - 480.81lbs / 218.09kg shells, 120 per gun
     Breech loading gun in Coles/Ericsson turret mount, 1900 Model
     1 x Single mount layout not set
      Weight of broadside 481 lbs / 218 kg

Machinery:
   Immobile floating battery

Complement:
   0 - 0

Cost:
   £0.044 million / $0.175 million

Distribution of weights at normal displacement:
   Armament: 134 tons, 0.0 %
      - Guns: 134 tons, 0.0 %
   Machinery: 0 tons, 0.0 %
   Hull, fittings & equipment: NaN tons, 0.0 %
   Fuel, ammunition & stores: 32 tons, 0.0 %
   Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     NaN lbs / NaN Kg = NaN x 9.8 " / 250 mm shells or NaN torpedoes
   Stability (Unstable if below 1.00): NaN
   Metacentric height NaN ft / NaN m
   Roll period: NaN seconds
   Steadiness   - As gun platform (Average = 50 %): NaN %
         - Recoil effect (Restricted arc if above 1.00): NaN
   Seaboat quality  (Average = 1.00): NaN

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.550 / NaN
   Length to Beam Ratio: NaN : 1
   'Natural speed' for length: 0.00 kts
   Power going to wave formation at top speed: 0 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): 0.00 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  0.00 ft / 0.00 m,  0.00 ft / 0.00 m
      - Forward deck:   30.00 %,  0.00 ft / 0.00 m,  0.00 ft / 0.00 m
      - Aft deck:   35.00 %,  0.00 ft / 0.00 m,  0.00 ft / 0.00 m
      - Quarter deck:   15.00 %,  0.00 ft / 0.00 m,  0.00 ft / 0.00 m
      - Average freeboard:      0.00 ft / 0.00 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): NaN
      - Above water (accommodation/working, high = better): NaN
   Waterplane Area: 0 Square feet or 0 Square metres
   Displacement factor (Displacement / loading): NaN
   Structure weight / hull surface area: NaN lbs/sq ft or NaN Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: NaN
      - Longitudinal: NaN
      - Overall: NaN
   Extremely poor machinery, storage, compartmentation space
   Extremely poor accommodation and workspace room

Warning: Beam between bulkheads too wide

[Darman]

If you want pictures of one of these gun positions today I can get you some.  Its a bit overgrown but its fun to wander through.

[KWorld]

I lived in Pensacola for a couple years, so we got out to the batteries there.


Here's a possible future coast defence howitzer: longer-ranged than the older coast defense mortars, and more likely to land on the target's deck than a high-velocity gun.  Based on the US M1920 16" coast defence howitzer.

Enter ship name, Enter country Enter ship type laid down 1950

Displacement:
   -110 t light; 0 t standard; 0 t normal; 0 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (0.00 ft / 0.00 ft) x 0.00 ft x (0.00 / NaN ft)
   (0.00 m / 0.00 m) x 0.00 m  x (0.00 / NaN m)

Armament:
      1 - 15.75" / 400 mm 26.5 cal gun - 1,984.16lbs / 900.00kg shells, 100 per gun
     Breech loading gun in turret on barbette mount, 1920 Model
     1 x Single mount on centreline forward
      Weight of broadside 1,984 lbs / 900 kg

Machinery:
   Immobile floating battery

Complement:
   0 - 0

Cost:
   £0.734 million / $2.937 million

Distribution of weights at normal displacement:
   Armament: 209 tons, 0.0 %
      - Guns: 209 tons, 0.0 %
   Machinery: 0 tons, 0.0 %
   Hull, fittings & equipment: NaN tons, 0.0 %
   Fuel, ammunition & stores: 110 tons, 0.0 %
   Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     NaN lbs / NaN Kg = NaN x 15.7 " / 400 mm shells or NaN torpedoes
   Stability (Unstable if below 1.00): NaN
   Metacentric height NaN ft / NaN m
   Roll period: NaN seconds
   Steadiness   - As gun platform (Average = 50 %): NaN %
         - Recoil effect (Restricted arc if above 1.00): NaN
   Seaboat quality  (Average = 1.00): NaN

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0.550 / NaN
   Length to Beam Ratio: NaN : 1
   'Natural speed' for length: 0.00 kts
   Power going to wave formation at top speed: 0 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): 0.00 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  0.00 ft / 0.00 m,  0.00 ft / 0.00 m
      - Forward deck:   30.00 %,  0.00 ft / 0.00 m,  0.00 ft / 0.00 m
      - Aft deck:   35.00 %,  0.00 ft / 0.00 m,  0.00 ft / 0.00 m
      - Quarter deck:   15.00 %,  0.00 ft / 0.00 m,  0.00 ft / 0.00 m
      - Average freeboard:      0.00 ft / 0.00 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): NaN
      - Above water (accommodation/working, high = better): NaN
   Waterplane Area: 0 Square feet or 0 Square metres
   Displacement factor (Displacement / loading): NaN
   Structure weight / hull surface area: NaN lbs/sq ft or NaN Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: NaN
      - Longitudinal: NaN
      - Overall: NaN
   Extremely poor machinery, storage, compartmentation space
   Extremely poor accommodation and workspace room

Warning: Beam between bulkheads too wide

[KWorld]

Found an even earlier 14" gun (however, they're coast guns, not naval guns): the US M1907M1, M1909M1, and M1910 and M1910M1.  There's also the M1895 16", but from other sources only 1 (other sources say 8 ) of those was built.

http://fortwiki.com/Coastal_Battery_Gun_List