The LAPAN LSU-03 Intelligence-Surveillance-Reconnaissance (ISR) drone of 2013 is an evolution of the earlier LAPAN LSU-02 ISR platform of 2012. Both were conceived and built by the Lembaga Penalitian dan Penerbangan Nasional (LAPAN) - translating to the "National Institute of Aeronautics and Space" to cover civilian and military market roles. The series operates in unknown numbers to date with the Indonesian Navy where versatility allows the UAV to be launched and retrieved from Indonesian warships.
The general arrangement of the aircraft sees a rounded, tubular fuselage housing all pertinent avionics, operating systems, and powerplant. The conventional engine sits at the rear and drives a multi-bladed propeller unit in pusher fashion. Mainplanes are seated over the fuselage at midships and are straight in their general shape with clipped tips. A twin-boom tail arrangement completes the overall shape to which a pair of vertical fins are positioned outboard of a shared horizontal plane. The tricycle undercarriage is wheeled though fixed during flight. The optics set is held under the fuselage.
The LSU-03 is showcased with a wingspan of 11.5 feet and a running length of 8.1 feet. Empty weight is 53lb against an MTOW of 106lb with the payload capacity reaching around 53lb. With its 100cc piston-driven engine, the aircraft can reach speeds of up to 93 miles-per-hour out to a range of 370 miles, or six straight hours of flight time.
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Lembaga Penelitian dan Penerbangan Nasional (LAPAN) - Indonesia Manufacturer(s)
Design utilizes a single primary wing mainplane; this represents the most popular modern mainplane arrangement.
Mainplanes are mounted at the upper section of the fuselage, generally at the imaginary line intersecting the pilot's shoulders.
The planform involves use of basic, straight mainplane members.
1 x Conventional piston engine at rear of fuselage driving three-bladed propeller unit in pusher arrangement. Propulsion
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