M47 bomb
Encyclopedia
The M47 bomb was a chemical bomb designed during World War II for use by the U.S. Army Air Forces.
and maximum efficiency after being dropped. Therefore, the bomb had a very thin metal sheet as its only cover, as little as 1/32 of an inch. The bomb is approximately 8 inches in diameter, with a nose the shape of a hemisphere. The M108 bomb fuse at the nose of the bomb detonated the weapon, allowing for the release of the contents inside. The bomb is designed to carry either White Phosphorus (WP) or a Mustard agent (H). However, the H bomb filler was found to leak from the bomb when loaded, and the M47 and its variant M47A1 were not allowed to be loaded. This was due to the thin steel walls on the weapon. In storage and handling, both corrosion and rough handling were found to cause the bomb to leak. When the bomb is loaded with the chemical filler H, it weighs approximately 93 pounds, 73 of which are from H.
The M47 bomb can also be used as an incendiary device
as well.McArthur, Charles W. Operations Analysis in the U.S. Army Eighth Air Force in World War II, (Google Books), American Mathematical Society, 1990, p. 65, (ISBN 0821801589). A mixture of rubber and gasoline can be used in the field to produce a crude incendiary bomb. A mixture of white phosphorus and jelled gasoline also produces a flammable mixture. Other mixtures include: LA-60 in which crude latex or sap is combined with caustic soda, coconut oil, and water, crepe rubber (CR) in which crude latex reduced to a solid by precipitation and kneading, LA-100 in which crude latex is dried until it is 100 percent solid, smoked rubber sheets (SR) in which crude latex that has been dried over a fire until it is 100 percent solid.
When used with these fillers, the bomb uses a 1-pound black powder charge to ignite and scatter the incendiary materials. The bomb typically weighs about 85 pounds when the incendiary fillers are used.
The M47A2 was designed to fix the leaking problems of the M47 when the agent H was carried. On the inside it was coated with a special oil that protected against corrosion from the agent H.
Design
The bomb was designed for aerial bombardmentCarpet bombing
Carpet bombing is a large aerial bombing done in a progressive manner to inflict damage in every part of a selected area of land. The phrase invokes the image of explosions completely covering an area, in the same way that a carpet covers a floor. Carpet bombing is usually achieved by dropping many...
and maximum efficiency after being dropped. Therefore, the bomb had a very thin metal sheet as its only cover, as little as 1/32 of an inch. The bomb is approximately 8 inches in diameter, with a nose the shape of a hemisphere. The M108 bomb fuse at the nose of the bomb detonated the weapon, allowing for the release of the contents inside. The bomb is designed to carry either White Phosphorus (WP) or a Mustard agent (H). However, the H bomb filler was found to leak from the bomb when loaded, and the M47 and its variant M47A1 were not allowed to be loaded. This was due to the thin steel walls on the weapon. In storage and handling, both corrosion and rough handling were found to cause the bomb to leak. When the bomb is loaded with the chemical filler H, it weighs approximately 93 pounds, 73 of which are from H.
The M47 bomb can also be used as an incendiary device
Incendiary device
Incendiary weapons, incendiary devices or incendiary bombs are bombs designed to start fires or destroy sensitive equipment using materials such as napalm, thermite, chlorine trifluoride, or white phosphorus....
as well.McArthur, Charles W. Operations Analysis in the U.S. Army Eighth Air Force in World War II, (Google Books), American Mathematical Society, 1990, p. 65, (ISBN 0821801589). A mixture of rubber and gasoline can be used in the field to produce a crude incendiary bomb. A mixture of white phosphorus and jelled gasoline also produces a flammable mixture. Other mixtures include: LA-60 in which crude latex or sap is combined with caustic soda, coconut oil, and water, crepe rubber (CR) in which crude latex reduced to a solid by precipitation and kneading, LA-100 in which crude latex is dried until it is 100 percent solid, smoked rubber sheets (SR) in which crude latex that has been dried over a fire until it is 100 percent solid.
When used with these fillers, the bomb uses a 1-pound black powder charge to ignite and scatter the incendiary materials. The bomb typically weighs about 85 pounds when the incendiary fillers are used.
Variants
The M47A1 was designed to replace the M47. It has a thicker steel cover that is about 1/16 of inch thick and an acid resistant corrosion cover inside.The M47A2 was designed to fix the leaking problems of the M47 when the agent H was carried. On the inside it was coated with a special oil that protected against corrosion from the agent H.