Community hub
Recent from talks
Knowledge base stats:
Talk channels stats:
Members stats:
Incendiary device
Incendiary weapons, incendiary devices, incendiary munitions, or incendiary bombs are weapons designed to start fires. They may destroy structures or sensitive equipment using fire, and sometimes operate as anti-personnel weaponry. Incendiaries utilize materials such as napalm, thermite, magnesium powder, chlorine trifluoride, or white phosphorus. Though colloquially often called "bombs", they are not explosives but in fact operate to slow the process of chemical reactions and use ignition rather than detonation to start or maintain the reaction. Napalm, for example, is petroleum especially thickened with certain chemicals into a gel to slow, but not stop, combustion, releasing energy over a longer time than an explosive device. In the case of napalm, the gel adheres to surfaces and resists suppression.
A range of early thermal weapons were utilized by ancient, medieval/post-classical and early modern armies, including hot pitch, oil, resin, animal fat and other similar compounds. Substances such as quicklime and sulfur could be toxic and blinding. Incendiary mixtures, such as the petroleum-based Greek fire, were launched by throwing machines or administered through a siphon. Sulfur- and oil-soaked materials were sometimes ignited and thrown at the enemy, or attached to spears, arrows or bolts, and fired by hand or machine. Some siege techniques—such as mining and boring—relied on combustibles and fire to complete the collapse of walls and structures.
Towards the latter part of the period, gunpowder was invented, which increased the sophistication of the weapons, starting with fire lances.
The first incendiary devices to be dropped during World War I fell on coastal towns in Norfolk, England, on the night of 19–20 January 1915, during a raid by the Imperial German Navy Zeppelins L 3 and L 4. These German firebombs were smooth metal canisters packed with kerosene- or benzol-soaked rope, sealed in resin to form a hardened incendiary core. Dropped from Zeppelin airships during raids between 1915 and 1917, these devices were designed to ignite fires upon impact. While some later designs featured stabilizing fins, many incendiaries used in early attacks had smooth exteriors, with the rope wrapping giving them a ridged appearance.
The incendiary bomb's construction began with a hanger at the top, fitted with a cloth streamer to stabilize its descent. Beneath this was a metal cone supporting tightly wound coils of rope, reinforced with wire. A resinous material was poured over the rope and cone, forming a hardened outer casing once solidified. Inside, a central cylinder contained thermite—a pyrotechnic composition capable of reaching temperatures up to 5,000 °F (2,760 °C). The base of the bomb was a strong, saucer-shaped metal plate, pierced with air holes and designed to accommodate the lower end of the thermite cylinder.
One notable variant was the Goldschmidt Incendiary Bomb, named after Hans Goldschmidt, the inventor of thermite. This design measured approximately 50 cm in height and 18 cm in diameter, with a total weight of around 10 kg. It featured an inner metal cylinder filled with thermite, surrounded by a thin sheet metal container holding 3.5 litres of benzol. The outer shell was wrapped in tarred rope, which helped retain the benzol within the container and added to the bomb's flammability. This configuration enhanced the incendiary effect upon impact and was typical of the more destructive devices used in later Zeppelin raids.
On 8 September 1915, Zeppelin L 13 dropped a large number of firebombs during a raid on London. Although the devices were generally ineffective in terms of widespread destruction, the attack resulted in civilian casualties and had a significant psychological effect across England.
Following experiments with 5-litre barrels of benzol, the B-1E Elektron fire bomb (German: Elektronbrandbombe) was developed in 1918 by scientists and engineers at the Griesheim-Elektron chemical works. The bomb was ignited by a thermite charge, but the main incendiary effect was from the magnesium and aluminium alloy casing, which ignited at 650 °C (1,202 °F), sustained combustion at 1,100 °C (2,010 °F), and released vapour that burned at temperatures reaching 1,800 °C (3,270 °F). A further advantage of the alloy casing was its lightness—being a quarter of the density of steel—which enabled each bomber to carry a considerable number of bombs.
Hub AI
Incendiary device AI simulator
(@Incendiary device_simulator)
Incendiary device
Incendiary weapons, incendiary devices, incendiary munitions, or incendiary bombs are weapons designed to start fires. They may destroy structures or sensitive equipment using fire, and sometimes operate as anti-personnel weaponry. Incendiaries utilize materials such as napalm, thermite, magnesium powder, chlorine trifluoride, or white phosphorus. Though colloquially often called "bombs", they are not explosives but in fact operate to slow the process of chemical reactions and use ignition rather than detonation to start or maintain the reaction. Napalm, for example, is petroleum especially thickened with certain chemicals into a gel to slow, but not stop, combustion, releasing energy over a longer time than an explosive device. In the case of napalm, the gel adheres to surfaces and resists suppression.
A range of early thermal weapons were utilized by ancient, medieval/post-classical and early modern armies, including hot pitch, oil, resin, animal fat and other similar compounds. Substances such as quicklime and sulfur could be toxic and blinding. Incendiary mixtures, such as the petroleum-based Greek fire, were launched by throwing machines or administered through a siphon. Sulfur- and oil-soaked materials were sometimes ignited and thrown at the enemy, or attached to spears, arrows or bolts, and fired by hand or machine. Some siege techniques—such as mining and boring—relied on combustibles and fire to complete the collapse of walls and structures.
Towards the latter part of the period, gunpowder was invented, which increased the sophistication of the weapons, starting with fire lances.
The first incendiary devices to be dropped during World War I fell on coastal towns in Norfolk, England, on the night of 19–20 January 1915, during a raid by the Imperial German Navy Zeppelins L 3 and L 4. These German firebombs were smooth metal canisters packed with kerosene- or benzol-soaked rope, sealed in resin to form a hardened incendiary core. Dropped from Zeppelin airships during raids between 1915 and 1917, these devices were designed to ignite fires upon impact. While some later designs featured stabilizing fins, many incendiaries used in early attacks had smooth exteriors, with the rope wrapping giving them a ridged appearance.
The incendiary bomb's construction began with a hanger at the top, fitted with a cloth streamer to stabilize its descent. Beneath this was a metal cone supporting tightly wound coils of rope, reinforced with wire. A resinous material was poured over the rope and cone, forming a hardened outer casing once solidified. Inside, a central cylinder contained thermite—a pyrotechnic composition capable of reaching temperatures up to 5,000 °F (2,760 °C). The base of the bomb was a strong, saucer-shaped metal plate, pierced with air holes and designed to accommodate the lower end of the thermite cylinder.
One notable variant was the Goldschmidt Incendiary Bomb, named after Hans Goldschmidt, the inventor of thermite. This design measured approximately 50 cm in height and 18 cm in diameter, with a total weight of around 10 kg. It featured an inner metal cylinder filled with thermite, surrounded by a thin sheet metal container holding 3.5 litres of benzol. The outer shell was wrapped in tarred rope, which helped retain the benzol within the container and added to the bomb's flammability. This configuration enhanced the incendiary effect upon impact and was typical of the more destructive devices used in later Zeppelin raids.
On 8 September 1915, Zeppelin L 13 dropped a large number of firebombs during a raid on London. Although the devices were generally ineffective in terms of widespread destruction, the attack resulted in civilian casualties and had a significant psychological effect across England.
Following experiments with 5-litre barrels of benzol, the B-1E Elektron fire bomb (German: Elektronbrandbombe) was developed in 1918 by scientists and engineers at the Griesheim-Elektron chemical works. The bomb was ignited by a thermite charge, but the main incendiary effect was from the magnesium and aluminium alloy casing, which ignited at 650 °C (1,202 °F), sustained combustion at 1,100 °C (2,010 °F), and released vapour that burned at temperatures reaching 1,800 °C (3,270 °F). A further advantage of the alloy casing was its lightness—being a quarter of the density of steel—which enabled each bomber to carry a considerable number of bombs.