Propelled pyrotechnic decoy flare

Details Propelled pyrotechnic decoy flare Propelled pyrotechnic decoy flare

F - Mech Eng,Light,Heat,Weapons

42

B

F42B 12/42 (2006.01) C06B 27/00 (2006.01) C06B 45/00 (2006.01) C06C 15/00 (2006.01) F42B 4/26 (2006.01) F42B 12/40 (2006.01) F42B 12/70 (2006.01)

Patent

CA 2078763

An aircraft launched pyrotechnic decoy flare (1) which comprises a pellet (2) configured with a cavity (4) which extends along a fore-and-aft axis (8) of the pellet (2) and is vented at its rearward end (12). Part of the external surface of the pellet (2) is covered with a casing (16) to prevent combustion of said part of the surface. The pellet (2) is made of a gassy pyrotechnic composition including an organic binder, and an oxidising halogenated polymer and an oxidisable metallic material which react with each other on ignition and emit infra- red radiation. When the flare (1) is ignited the surface of the cavity (4) combusts and produces hot gaseous products which escape from the cavity (4) through the vent (22) thus propelling the flare (1) in a forwards direction. In this way the flare (1) can be propelled in the same direction as the aircraft to reduce the rate at which the flare (1) separates from the aircraft exhaust.

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