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LW-BEM: Light Weight Ballistic Evaluation Motor
A lightweight in all regards, this test motor is a direct descendant of the ¼ scale Ballistic
Evaluation Motor (BEM). The BEM is a proof-of-concept motor and consequently is
largely “boilerplate” design. The BEM is to be reworked in order to reflect design
changes relevant to the LW-BEM. These design changes are to include, but not be limited
to, significant mass reduction, resolution of heat transfer issues, reduction of parts count
and new manufacturing and assembly procedures. The LW-BEM design is to be verified
through at least one static firing. Design modifications that are directly applicable to the
design of the MiniSShot flight motor. These modifications could find their way into
future motors and vehicles.
Objectives:
· To verify design modifications of the various LW-BEM components and
materials
· To obtain actual performance data for comparison to predicted, and thus aid in the
design of the flight vehicle motor and subsequent test motors.
· To obtain motor-specific operating characteristics of the KNSB propellant
geometry and layout modifications
· Confirm improved delay-plug design
· Test and further validate elements of the dual-ignition system
· Obtain data resolutions higher than in previous motor tests
 Pictures and video of actual work on the BEM and SS-TEM
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