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PRINCIPLE ARMAMENT - BATTERY 519


Battery 519 viewed from Herring Point.  The structure is currently undergoing extensive restoration and will be open as a living history museum in the coming years.
Photo Credit:  Mike Rogers

 

Related Documents

Operated by:  Battery C, 261st Coast Artillery

In 1940, the Army had planned to place two 16" gun batteries at Fort Miles.  The second was to be just north of Battery Smith, the first 16" battery already under construction, as Delaware was considered high on the defense priority list.  By late 1941, Delaware's priority had dropped substantially, and the planned second 16" battery (Construction #119) was cancelled.  The structure saw new life as Battery 519 when the war department decided to place two 12" guns there that had been pulled from Battery Haslet at Fort Saulsbury.  The battery was completed in March, 1943 and was retained until deleted in May, 1948.  The emplacement still exists and will be the future home of one of the largest coast artillery museums in the country.

FM 4-60 SOP 12" Gun
Range Table
Report of Completed Works (PDF)

 

Battery 519 Prints
12 Inch Shot Truck Battery Ammunition Service Piling Plan and Base Slab
Power and Communications Detail Dehumidifying System Dehumidification System Extended
Door Detail 1 Door Detail 2 Door Detail 3
Door Detail 4 Door Detail 5 Drainage Details
Power Room / Engine Foundation General Plan Grading and Utilities
Latrine Gasproofing Latrine Plumbing Lighting and Power Circuits
Miscellaneous Metals Piling Plan and Details Power Room Plan and Details
6 inch Sewer Drain Wall Details  
Floor Plan

Armament
The table to the right gives statistical data for the 12 inch gun and the ordnance fired.
Information source: Fort Miles Archives

 

Battery 519 as it appeared during the war.  Photo Credit - Tom Maier

12 Inch Gun M1895M1A2 on Barbette Carriage M1917 (Casemated)

Number Produced 32

Ordnance Data

Caliber 12 inches Projectile Weight HE - 700 lbs
AP - 975 lbs
Weight 416,700 lbs Projectile Length 49.27 inches
Powder Charge 279 lbs Stored at Battery HE - 50 rounds
AP - 300 rounds
Powder Bags Weight - 69.73 lbs ea
Length - 18.25" ea
Width - 12.25" ea
Central Storage
(Not at battery)
HE - 0 rounds
AP - 150 rounds
Muzzle Velocity 2600 fps Battery Allowance HE - 50 rounds
AP - 300 rounds
Maximum Range 29,300 yds War Reserve HE - 50 rounds
AP - 450 rounds
Elevation -5 deg to +45 deg

Table Legend

HE - High Explosive
AP - Armor Piercing

Traverse 145 degrees
Crew 48
Barrel Life 350 rounds
Report of Completed Works

General

Utilities (cont'd)

Battery Commenced 15 NOV 1942 Electrical Source Battery Power Room
Battery Completed 31 AUG 1943 Installed by Ordnance
Date of Transfer 16 FEB 1944 Electrical Characteristics Voltage: 460 AC  Phase: 3
Cost to Date $857,000 No of Units and Capacity 3 units at 187 KVA each
Construction Material Reinforced Concrete Max KW req'd for utils. 25
Battery New or Modernized New Max KW req'd for non battle conditions 50
Trunnion Elevation in Battery 64.0 Commercial power provided YES    Capacity: 75 KVA

Utilities

Auxiliary power unit NO
Water Source City of Lewes, Delaware Type of Lighting Fixtures Water Tight
Alternate Water Source Well system installed. Dehumidifying Unit Carrier 29,000 BTU per hour
Size of Main 6 inches How Ventilated Muffler Gallery
Connected to Sewer YES How Heated Hot Water System in Power Room
Type of Disposal Tank    
Type of Latrine Gas Proof    
Support Structures
Plotting Room: Plotting Room Battery 519
Fire Control Towers: FCT #1, FCT #2, FCT #3, FCT #5, FCT #8, FCT #24, FCT #25
Radars (SCR-296A): Set 1, Set 2, Set 4, Set 5
 

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