FN has developed a new lightweight variant of its widely-fielded .50 cal crew-served weapon system, which will debut at this year’s Paris Air Show. Leveraging advanced composite materials, the new lightweight variant will result in a 40% weight reduction compared to previous examples.
The new lightweight variant is now ready for serial production and several projects are underway, either with OEMs or with end users directly. With payload being a crucial consideration for aviation platforms, particularly rotary-wing aircraft, this weight reduction will have significant operational benefits allowing operators to carry more passengers, fuel, ammunition or supplies.
This innovation is focused specifically on the FN MEDIUM DOOR PINTLE TURNING (FN MDP TURNING) System, which mounts the combat-proven .50 cal FN M3M. The FN MDP TURNING System allows the crew-served weapon system to be easily retracted or removed when not in use, making it a highly versatile capability.
The Turning System is mounted using a connection plate, typically from a machined block of aluminium. This is then fitted to the helicopter floor using existing strong points that help distribute the mechanical forces that occur when the weapon is being operated.
FN has driven the development of a new composite plate that replaces the aluminium example and reduces weight without compromising quality. This new composite plate has already passed rigorous MIL-STD-810G qualifications standards, which is critical for frontline equipment.
The lightweight variant also meets the same 20G crash test safety standards that other FN products are subjected to. This new introduction is a major achievement from FN’s team to successfully complete development, qualification and begin series production.
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