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120 mm rocket-assisted HE bomb PR PA
Region
France
Category
Боєприпаси, ракети та високоточне озброєння
Armament 120 mm TDA rifled mortar MO-120-RT, Mortar, 2R2M. Development By TDA to increase the range of the rifled mortar. Description The PR PA is generally similar to the PR14 HE bomb described previously, with a similar body, pre-engraved driving band, plastic obturating ring and tailboom that separates in flight. The same primary cartridge and 11 colour-coded secondary increments as the PR 14 are used. An internal rocket motor is positioned centrally in the body and insulated from the surrounding filling. This
terminates in a venturi in the base of the projectile. In this venturi is a plug carrying a delay element. After firing, a short delay unit blows off the tailboom, as with the PR14 bomb and after a 10 seconds delay (from the time of firing), a second delay unit burns through and ignites the rocket motor. This blows out the plug and the rocket efflux then takes effect, extending the vertex of the trajectory and thus the maximum range. The PR PA is in service with the French Army and several other armies Manufacturer TDA .