Stavatti SM-39 Razor. © Stavatti
The Stavatti SM-39 Razor is a next-generation air dominance fighter (NGAD) designed for both air-to-air combat and strike missions.
The Stavatti SM-39 Razor is designed to replace or combine the roles of several aircraft, including the F-22, F-15, F/A-18E/F, and retired jets such as the F-14 Tomcat, A-5 Vigilante, and A-6 Intruder.
Stavatti SM-39 Razor. © Stavatti
The SM-39 is a twin-engine aircraft that can be flown by a pilot or operate autonomously without one. It is stealthy, carries weapons internally, and uses advanced features such as thrust-vectoring engines, movable horizontal stabilizers with no vertical tail, advanced flaps for better control, and lightweight titanium foam construction. These technologies place it in the sixth-generation fighter category and make it a bridge between traditional aircraft and future reusable space fighters.
The SM-39 uses an unusual triple-fuselage design. Two smaller side fuselages flank a long, slim central fuselage. These side fuselages blend smoothly into the wings and house the engines and air intakes. This layout greatly reduces drag at supersonic speeds and closely matches the ideal aerodynamic shape for high-speed flight. It is optimized for supercruise, allowing sustained supersonic flight without afterburners.
Stavatti SM-39 Razor. © Stavatti
This design also improves internal space and system placement. The center fuselage contains the cockpit, radar, main avionics, nose landing gear, and two internal weapons bays. The side fuselages hold the engines, air intakes, and main landing gear, along with fuel, sensors, and electronic warfare systems.
Stavatti SM-39 Razor. © Stavatti
By spreading systems across three fuselages, the SM-39 achieves more internal volume with less drag than any supersonic fighter currently in service.
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