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X-inch Dahlgren shell gun (light): 10 were cast at Seyfert, McManus & Co. and West Point foundries between 1855 and 1864. Pivot mounted on board ships such as USS Cumberland, USS Brooklyn and USS Merrimack (pre-CSS Virginia) with a crew of 20 and a powderman. X-inch Dahlgren shell gun (heavy): 34 cast between 1862 and 1865. Designed from the ...
The physical base where NSWCDD is located became officially known as the Naval Support Activity Dahlgren (NSA Dahlgren) in 2003 when Naval Installations Command assumed all base operating functions, leaving NSWCDD as an installation tenant, [2] however, the name NSWCDD or NSWC is still commonly used to refer to the base.
Adm. Du Pont dispatched an ironclad in an attempt to capture the fort, sink the Nashville and burn the Atlantic and Gulf railway bridge farther up the river. [10] This would provide the first test of the new Passaic class of ironclad monitor armed with the massive new 15" Dahlgren cannon, at the time the heaviest cannon mounted on a warship. [11]
Transportation personnel at Naval Support Facility Dahlgren prepare to off-load a World War I-era 7-inch gun on a tracked mount, the first gun originally test-fired to mark the establishment of Dahlgren as a naval proving ground on Oct. 16, 1918. The 7-inch, 45 caliber gun will be restored by the Naval Surface Warfare Center Dahlgren Division.
John Adolphus Bernard Dahlgren (November 13, 1809 – July 12, 1870) was a United States Navy officer who founded his service's Ordnance Department and launched significant advances in gunnery. Dahlgren devised a smoothbore howitzer, adaptable for many sizes of craft and shore installations.
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Wiard published pamphlets claiming that thermal stress was the primary reason for burst cannon. This was a significant problem during the Civil War, especially with Parrott rifles . The US Navy Ordnance Department under Rear Admiral John A. Dahlgren awarded Wiard a contract to produce two 15 in (381 mm) rifled guns of about the same weight as ...
The 18"/48 caliber Mark 1 – United States Naval Gun was the initial name and design for a large caliber naval gun in the early 1920s. After the Washington Naval Treaty prohibited the development of guns larger than 16 in (406 mm), the gun was relined and finished as a high velocity 16"/56 Mark 4 gun.