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The Aim-120D DOES NOT have a Dual Pulse motor.1. ATK, the ONLY current maker of AMRAAM motors states that they only make two types of motors, the baseline and the PEP (extra 5 inches) motor introduced in the C5 model.http://www.atk.com/capabilities_defense/cs_ms_w_trm_aam.asp2. Here is the PEP dochttp://www.atk.com/datasheet_PDFs/AMRAAM.pdf3. ATK just got (Oct 2009) a contract to develop the next generation of AMRAAM motor. One of the technologies they are researching is a dual pulse design. If it were already in the 120D, they would not have to develop it again.http://atk.mediaroom.com/index.php?s=118&item=970I think where everyone gets the idea of the 120D having dual pulse is that the AMRAAM currently has a dual propellant motor. All AMRAAM motors have a "boost/sustain" grain type which may be the cause of the confusion.
The Aim-120D DOES NOT have a Dual Pulse motor.
1. ATK, the ONLY current maker of AMRAAM motors states that they only make two types of motors, the baseline and the PEP (extra 5 inches) motor introduced in the C5 model.
http://www.atk.com/capabilities_defense/cs_ms_w_trm_aam.asp
2. Here is the PEP doc
http://www.atk.com/datasheet_PDFs/AMRAAM.pdf
3. ATK just got (Oct 2009) a contract to develop the next generation of AMRAAM motor. One of the technologies they are researching is a dual pulse design. If it were already in the 120D, they would not have to develop it again.
http://atk.mediaroom.com/index.php?s=118&item=970
I think where everyone gets the idea of the 120D having dual pulse is that the AMRAAM currently has a dual propellant motor. All AMRAAM motors have a "boost/sustain" grain type which may be the cause of the confusion.
