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A detonator is a device used to make an explosive or explosive device explode. [1] Detonators come in a variety of types, depending on how they are initiated (chemically, mechanically, or electrically) and details of their inner working, which often involve several stages.
The exploding-bridgewire detonator (EBW, also known as exploding wire detonator) is a type of detonator used to initiate the detonation reaction in explosive materials, similar to a blasting cap because it is fired using an electric current. EBWs use a different physical mechanism than blasting caps, using more electricity delivered much more ...
The simplest theory to predict the behaviour of detonations in gases is known as the Chapman–Jouguet (CJ) condition, developed around the turn of the 20th century. This theory, described by a relatively simple set of algebraic equations, models the detonation as a propagating shock wave accompanied by exothermic heat release.
The original M18 Claymore mine. The detonator is inserted into the side. In 1954 Picatinny Arsenal issued a request for proposals (RFP) to improve the M18 as a more effective weapon. At Aerojet in the early 1950s, Guy C. Throner had independently come up with a design for a Claymore-like mine. He worked with Don Kennedy and the two men ...
The foil does not come in contact with the explosive, which reduces the risk of corrosion of the foil or chemical reactions between the foil and explosive producing unstable compounds, and secondarily further reduces the risk of accidental electrical ignition of the explosive. The energy to fire the detonator is quite low
A railway detonator, (torpedo in North America) or fog signal is a coin-sized device that is used as a loud warning signal to train drivers. It is placed on the top of the rail , usually secured with two lead straps, one on each side.
President Biden says the New Orleans attacker acted alone, and had a remote detonator for explosives before driving a pickup truck into a crowd of people, killing 14 and injuring 35 on New Year's Day.
High-explosives trains can be either two-step (e.g., detonator, [containing primary explosive] and dynamite / other sensitive secondary) or three-step configuration (e.g., initiator, [detonator, compound cap or NPED] booster of intermediate explosive, and main charge of insensitive secondary explosive).