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Thirty-two-pounder gun of 4,500 pounds and VIII-inch Dahlgren shell gun: 383 of the 32-pounders (Dahlgren 1872, p. App.A) [3] each weighing 4,500 lb (2,041 kg) and 355 of the 8 in (203 mm) Dahlgrens were cast by Alger Builders, Fort Pitt Foundry, and Seyfert, McManus & Co. between 1864 and 1867. The 32-pounder had a crew of 10 and a powder-boy ...
Its recorded first work, the firing of a 7-inch (178-millimetre)/45 caliber tractor-mounted gun, occurred on 16 October 1918, which is recognized as the official founding date. The proving ground was named Dahlgren in honor of Rear Admiral John Adolphus Dahlgren, a Civil War Navy commander, who is the acknowledged "father of modern naval ordnance."
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.
Dahlgren is an unincorporated community and census-designated place (CDP) in King George County, Virginia, United States. The population was 2,946 at the time of the 2020 census, [ 3 ] up from 2,653 at the 2010 census, [ 4 ] and up from 997 in 2000.
NSWC Dahlgren, Va. – Naval reservists, scientists and engineers work in the Integrated Command Environment (ICE) Human Performance laboratory located at NSWC Dahlgren, Va. The ICE lab focuses on the Navy's evolving human performance and human systems integration (HSI) testing
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.
Portion of an 1865 map showing the location of Fort Jackson. To the northeast is the Long Bridge and Washington, D.C.. Over 13,000 men marched into northern Virginia on May 25, bringing with them "a long train of wagons filled with wheelbarrows, shovels, &c." [9] These implements were put to work even as thousands of men marched further into Virginia.
His most famous contribution was the Dahlgren gun, a cast-iron muzzle loading cannon. Dahlgren's meticulous research using gauges to measure pressure differences in the cannon barrel as it was fired resulted in a design that utilized slower-detonating gunpowder and merged characteristics of John Ericsson's experimental 12-inch "Orator" (and ...