A carcass was an early form of incendiary

bomb A bomb is an explosive weapon that uses the exothermic reaction of an explosive material to provide an extremely sudden and violent release of energy. Detonations inflict damage principally through ground- and atmosphere-transmitted mechan ...

shell Shell may refer to: Architecture and design * Shell (structure), a thin structure ** Concrete shell, a thin shell of concrete, usually with no interior columns or exterior buttresses Science Biology * Seashell, a hard outer layer of a marine ani ...

, intended to set targets on fire. It comprised an external casing, usually of

cast iron Cast iron is a class of iron–carbon alloys with a carbon content of more than 2% and silicon content around 1–3%. Its usefulness derives from its relatively low melting temperature. The alloying elements determine the form in which its car ...

, filled with a highly flammable mixture, and having three to five holes through which the burning filling could blaze outward."Carcass". ''Oxford English Dictionary''. Oxford University Press. 2nd edition. 1989. Carcasses were shot from

howitzer The howitzer () is an artillery weapon that falls between a cannon (or field gun) and a mortar. It is capable of both low angle fire like a field gun and high angle fire like a mortar, given the distinction between low and high angle fire break ...

mortars Mortar may refer to: * Mortar (weapon), an indirect-fire infantry weapon * Mortar (masonry), a material used to fill the gaps between blocks and bind them together * Mortar and pestle, a tool pair used to crush or grind * Mortar, Bihar, a village i ...

, and other

cannon A cannon is a large-caliber gun classified as a type of artillery, which usually launches a projectile using explosive chemical propellant. Gunpowder ("black powder") was the primary propellant before the invention of smokeless powder during th ...

s to set fire to buildings and defences; on impact, the shell shattered, spreading its incendiary filling around the target.

Congreve rocket The Congreve rocket was a type of rocket artillery designed by British inventor Sir William Congreve, 2nd Baronet, Sir William Congreve in 1808. The design was based upon Mysorean rockets, the rockets deployed by the Kingdom of Mysore against ...

s were also sometimes fitted with carcass heads. They were named ''carcass'' because the circles which pass from one ring, or plate, to the other, were thought to resemble the ribs of a human carcass.

History

Carcasses were used for the first time by the French and Münsterite troops under

Louis XIV LouisXIV (Louis-Dieudonné; 5 September 16381 September 1715), also known as Louis the Great () or the Sun King (), was King of France from 1643 until his death in 1715. His verified reign of 72 years and 110 days is the List of longest-reign ...

and Bernard von Galen in 1672. They were also fired from

bomb vessel A bomb vessel, bomb ship, bomb ketch, or simply bomb was a type of wooden sailing naval ship. Its primary armament was not cannons (Naval long gun, long guns or carronades) – although bomb vessels carried a few cannons for self-defence – but ...

s. The carcass shell as used by the

Royal Navy The Royal Navy (RN) is the naval warfare force of the United Kingdom. It is a component of His Majesty's Naval Service, and its officers hold their commissions from the King of the United Kingdom, King. Although warships were used by Kingdom ...

in the 18th and early 19th century, most famously in the attack on

Fort McHenry Fort McHenry is a historical American Coastal defense and fortification, coastal bastion fort, pentagonal bastion fort on Locust Point, Baltimore, Locust Point, now a neighborhood of Baltimore, Maryland. It is best known for its role in the War ...

, was a hollow cast iron sphere weighing . Instead of the single fuse hole found on a conventional mortar shell of the period, the carcass had 3 openings, each in diameter. Its filling burned for 11 minutes upon firing. It was especially useful during night bombardments, as the burning projectile assisted in the aiming of the cannon.

Composition

For the composition of the flammable material used in a carcass, 18th century philosopher Christian Wolff prescribed 10 parts of pounded

gunpowder Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, charcoal (which is mostly carbon), and potassium nitrate, potassium ni ...

, 2 of nitre, 1 of

sulfur Sulfur ( American spelling and the preferred IUPAC name) or sulphur ( Commonwealth spelling) is a chemical element; it has symbol S and atomic number 16. It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur atoms ...

, and 1 of colophony; or 6 of gunpowder, 4 of nitre, 4 of sulfur, 1 of beaten glass, 0.5 of

antimony Antimony is a chemical element; it has chemical symbol, symbol Sb () and atomic number 51. A lustrous grey metal or metalloid, it is found in nature mainly as the sulfide mineral stibnite (). Antimony compounds have been known since ancient t ...

0.5 of

camphor Camphor () is a waxy, colorless solid with a strong aroma. It is classified as a terpenoid and a cyclic ketone. It is found in the wood of the camphor laurel (''Cinnamomum camphora''), a large evergreen tree found in East Asia; and in the kapu ...

, 1 of sal ammoniac, and 0.25 of common

salt In common usage, salt is a mineral composed primarily of sodium chloride (NaCl). When used in food, especially in granulated form, it is more formally called table salt. In the form of a natural crystalline mineral, salt is also known as r ...

. For the shell, he started with two iron rings (others used plates), fitting one at one extreme, near the aperture at which the carcass was to be fired, and the other at the other. These he braced with cords drawn lengthwise; and across these, at right angles, laced other cords, making a knot at each intersection. Between the folds of the cords, he made holes, inserted copper tubes, and filled them half full of powder and lead bullets, packing it in with a tow. The internal shell's aperture was then plugged up, and it was immersed in a mixture of 4 parts of melted pitch, 20 of

rosin Rosin (), also known as colophony or Greek pitch (), is a resinous material obtained from pine trees and other plants, mostly conifers. The primary components of rosin are diterpenoids, i.e., C20 carboxylic acids. Rosin consists mainly of r ...

, 1 of oil of turpentine, and as much ground gunpowder as was needed to reduce it to the consistency of a paste. After immersion, the shell was to be covered with tow, and immersed again, until it was the proper size for the mortar. Carcass shells as used by the Royal Navy from the 18th to the 19th centuries were filled with a mixture of

saltpeter Potassium nitrate is a chemical compound with a sharp, salty, bitter taste and the chemical formula . It is a potassium salt of nitric acid. This salt consists of potassium cations and nitrate anions , and is therefore an alkali metal nitrate ...

, sulfur, rosin, sulfide of antimony,

tallow Tallow is a rendered form of beef or mutton suet, primarily made up of triglycerides. In industry, tallow is not strictly defined as beef or mutton suet. In this context, tallow is animal fat that conforms to certain technical criteria, inc ...

and

turpentine Turpentine (which is also called spirit of turpentine, oil of turpentine, terebenthine, terebenthene, terebinthine and, colloquially, turps) is a fluid obtainable by the distillation of resin harvested from living trees, mainly pines. Principall ...

References

{{DEFAULTSORT:Carcass (Projectile) Artillery shells Bombs Incendiary weapons

History

Composition

See also

References