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Retractable Gunner Restraints

Description:

TECHNOLOGY AREA(S): Materials

OBJECTIVE: The retractable gunner restraint system will restrain and protect gunners in various vehicles from high energy events by rapidly retracting them back into the vehicle during typical injurious scenarios like Vehicle Borne Improvised Explosive Devices (VBIED), underbody blast, top/bottom attacks, crash, and rollover events.

DESCRIPTION: Occupants in the gunner position are often in non-traditional seats that either provide ineffective or no restraints.The restraints are often constrictive, preventing them from efficiently performing their mission leading them to not be used.Additionally, the restraints have no functionality to safely pull the occupant back into the vehicle leaving them vulnerable to injury during high energy events.A new retractable gunner restraint system shall be internally mounted in the vehicle and must restrain and protect Soldiers within the central 90th percentile while fully encumbered.The system may interface with the Improved Outer Tactical Vest (IOTV), but this feature is not required.The system shall react and retract rapidly enough to provide protection during events including, but not limited to: underbody blast, crash, rollover, top/bottom attack, and VBIED without inducing injury to the occupant due to the retraction.

PHASE I: Define and determine the technical feasibility of developing a retractable gunner restraint system that is lightweight, durable, and will protect the occupants during high energy events without inducing injury due to the retraction.The restraints must be capable of containing the central 90th percentile Soldier population while fully encumbered and durable enough to handle the rugged conditions encountered by ground vehicles.System must be FMVSS 207/210 compliant.The system must, at a minimum, meet FMVSS 208 Injury Criteria (additional injury criteria will be provided once on contract) for the following tests: drop tower testing (up to 350g half sine pulse, delta V 10 m/s) and FMVSS 213 Child Seat Corridor Sled Testing (additional testing criteria will be provided once on contract).

PHASE II: Develop and test at least 5 prototype restraint systems that can protect and contain the central 90th percentile Soldier population during high energy events including, but not limited to, blast, crash, rollover, and VBIED.Based on the findings in Phase I, refine the concept, develop a detailed design, and fabricate simple prototype systems for proof of concept.Identify steps necessary for fully developing a commercially viable restraint system.The system shall by FMVSS 207/210 compliant. The system must, at a minimum, meet FMVSS 208 Injury Criteria (additional injury criteria will be provided once on contract) for the following tests: drop tower testing (up to 350g half sine pulse, delta V 10 m/s) and FMVSS 213 Child Seat Corridor Sled Testing (additional testing criteria will be provided once on contract).

PHASE III: System can be commercialized to PD LTV applicable variants (M1151A1, M1152A1, and M1165A1) in addition to NGCV and any fielded ground vehicle with an open gunner position. Additional commercialization to private sector vehicles with exposed occupants like first responder vehicles, garbage trucks, etc.

KEYWORDS: Restraints, gunner, retractors, underbody blast, crash, rollover, vehicle borne improvised explosive device (VBIED), top/bottom attack, accommodate and protect, central 90th percentile Soldier population

References:

www.dtic.mil/cgi-bin/GetTRDoc?AD=ADA608804; www.arl.army.mil/arlreports/2007/ARL-TR-4236.pdf; http://armypubs.army.mil/doctrine/DR_pubs/dr_a/pdf/atp4_25x13.pdf; https://www.logsa.army.mil/psmag/archives/PS2007/657/657-14-16.pdf; https://www.dvidshub.net/news/28442/gunner-restraint-system-aims-save-lives

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