Fire Bomb, BLU Series Components

Definition of smoke bombs is given in Ref 44, p B229-L, under Bombs, Chemical The following type is described in Ref 51a, pp 2-56 2-57  

100-lb Smoke Bomb PWP or WP, AN-M47A4- Its body, made of sheet steel is cylindrical in shape with a rounded nose and a truncated conical tail section contg fixed tail fin (See Fig 2-16). Diameter of body 8.0-in, length of assembled bomb 52.6 in, total wt 105.0-lb [when filled with 74.0-lb of PWP (plastic white phosphorus)], or 131.0-lb (when filled with 100.0-lb of WP). 

A burster well, which is a metal tube closed at one end, extends the full length of the bomb, is filled with an explosive. For the bomb filled with PWP the Burster AN-M20 is used, while for the WP bomb the Burster AN-M18 is used. A threaded hole in the nose end of the bomb receives the AN-M159 fuze or its alternate AN-M126A1. Two 

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