Pyrotechnic Bombs Photoflash

Although many pyrotechnic items, such as flares, aircraft signals, simulators and photoflash bombs are released from aircraft and are actually bombs, only photoflash bombs are classified as bombs and stored with bombs and not with pyrotechnic items. The reason for this is that the fillin g of photoflash bombs is explosive and such bombs are hazardous to handle. Another reason is that they resemble in appearance conventional aircraft bombs 

A brief definition of photoflash bombs is given in Vol 2 of Encycl (Ref 44), p B229-R 

Photoflash Cartridges, M112A1 (l, 2 or 4-Second Delays) Each consists of a cylindrical A1 container (1.57-inches in diam 7.73-in long), filled with photoflash powder (7. 0-oz), a delay fuse contg gasless Ba chromate boron compn and an electric 

Slightly different in appearance is the M123A1, 4-Second Delay Cartridge (See Fig 2-22) (Ref 51c, pp 2-3 to 2-5) 

Photoflash Cartridge M121, used for practice, is filled with dummy charge. It simulates M112A1 series (Ref 51c, pp 2-4 2-6) 

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Flashbomb See Photoflash Bomb, under Bombs, Pyrotechnic in Vol 2, p B229"L... 

Some pyrotechnic formulations are used for photographic purposes and the main requirement of such formulations is that they should produce a very powerful illumination for a short duration. Such pyrotechnic formulations are known as photoflash formulations and are used in photoflash cartridges, photoflash bombs and dust bombs. 

III) Detonation or Explosion., It can be conducted either by initiating the expls contained in ammo, or by the force of detonation of other expl material s placed in contact with the item. Ammo items which can be destroyed by these methods include artillery shells, aerial bombs, mortar shells, shrapnel shells, photoflash bombs, antitank mines, rockets, grenades (hand and rifle), loaded metal components (such as fuzes, primers, detonators, boosters bursters) and pyrotechnic... 

Photoflash bombs and cartridges are pyrotechnic items which are classified with bombs (Vol 2, B229) because of their explosive effect. The various devices are similar, differing principally in size and the amount of delay. When fired, each photoflash cartridge, after 1, 2, or 4 seconds, produces a flash having a peak intensity of approx 50 million cd with a total output of 5 million cd-sec, whereas photoflash bombs generate above 5 x 10 cd... 

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