Improved Lethality Through Active Suspension
Sponsor: Pratt Miller Defense
Cadets: Jace Estenson, Mihir Patel, Brendan Siriani, Eston Smith
Advisors: Mr. Daniel Doscher, LTC Brian Novoselich, Dr. Scott Fish
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Summary: Pratt Miller’s Multi-Mode Extreme Travel Suspension (METS) vehicle uses a unique active suspension design to achieve radically enhanced mobility. Active and passive suspension components are placed in series to accommodate a wide variety of terrain and mitigate disturbances to chassis displacement. An additional benefit is a more stable firing platform under engagement. To quantify the lethality potential of the METS, the Cadet team designed and built an impulse device to mimic the recoil of different weapon systems. This ‘surrogate weapon system’ is mounted to the vehicle, aligned to a target, and an impulse is applied while line of sight and IMU data are collected. The active components of the METS suspension modify the settling characteristics of the chassis subjected to the impulse. By applying the same tests to a traditional suspension and comparing these settling characteristics, the benefits that the METS design brings to lethality are demonstrated.
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