Iron Beds for those Iron Frogs: Model 1861 Mortar Beds

When the Army changed from the Model 1840 mortars to the Model 1861 patterns, the entire weapon system underwent a redesign. Since the mortars dispensed with the wooden quoin elevation wedge, centered the trunnions for zero preponderance, and used elevating sockets on the breech, the old mortar beds just would not work. So a newContinue reading “Iron Beds for those Iron Frogs: Model 1861 Mortar Beds”

Bigger Iron Frogs: 10-inch Model 1861 Siege Mortars

Confederate Colonel Moses White probably wished he had a these in the armament of Fort Macon during March and April 1862: The pair are 10-inch Model 1861 Siege Mortars. Colonel White’s garrison lacked mortars when Federals laid siege to the fort. Instead the Confederates used six 32-pdr carronades (and eventually some columbiads) for high angleContinue reading “Bigger Iron Frogs: 10-inch Model 1861 Siege Mortars”

Evolution of the Big Mortars: 13-inch Mortars Model 1861, Part 1

Yesterday I discussed the classifications of mortars used in the Civil War period.  Today I’ll focus on the largest of the “heavy” mortars – the 13-inch Model 1861.  Due to employment, this mortar fits into two of those classifications – seacoast and sea.  So let me provide a brief history of the type and someContinue reading “Evolution of the Big Mortars: 13-inch Mortars Model 1861, Part 1”