The Multiple Bundle Sling Load is a payload delivery system that maximizes the equipment volume of the payload that can be used for transport up to the maximum aircraft weight capacity, and offers the ability to selectively target the release of a particular payload.
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Multiple Bundle Sling Load
Today’s service members rely heavily on helicopter resupply. The Natick Soldier Research, Development and Engineering Center (NSRDEC) has developed the multiple bundle sling load system (MBSLS) to address payload delivery in military operations. The critical nature of rotor wing military resupply demands maximum room in the aircraft for soldiers, their gear, and support equipment, maximized lift capability for a reduction in the number of required aircraft to go on missions, and elimination of the need for the crew to exit the aircraft during missions to deliver cargo.
Cargo helicopters have a sling (cable with a hook at one end) underneath the aircraft that can be used to externally transport bulky cargo from one location to another. The NCAMBSLS provides an automatic release mechanism allowing sling transported cargo bundles to be released remotely without the need for recovery personnel to exit the aircraft, preventing delays. The bundles can be dropped in any order required, as opposed to having to drop all payloads in order to release the payload first loaded. Individual bundles may be rigged for airdrop and then released at altitude to be delivered to the ground via parachute, without hindering the ability to deliver additional payloads via standard sling load delivery.
The NCA MBSLS has a broad range of applications beyond allied military organizations, such as humanitarian relief efforts, backcountry resupply, and equipment delivery for the construction, energy transmission, and logging industries. Integration into commercially available payload delivery can maximize space over traditional payload delivery systems.