Vrabac Mini UAV
The Vrabac is a mini drone intended for day/night reconnaissance and surveillance at shorter distances, as well as for target finding and designating, produced in Serbia by Utva.
Design
The VRABAC is a high-wing monoplane made of composite materials. Its fuselage is aerodynamically shaped around the equipment. The nose part contains an 800W DC motor powered by a Li-pol battery while the space below and behind it is intended for electro-optical equipment. Theairborne computer is in the central part. The UAV is hand launched and lands with a parachute and an airbag.
Role
The Vrabac drone is designed to survey and analyze major infrastructural facilities such as pipelines, major roads, bridges, forests, etc.Performances and technical characteristics
Vrabac weighs 5.3 kg with a 2.80 meter wing span. It can carry a payload of maximum of 1.5 kg. It has a total of 1 hour flying time and has a maximum flight speed of 85km/h. The operational range of the Vrabac is 10 km+ and it has an operating height of 300 to 500 meters.| Engine: | DC electric, 800 W |
| Propeller: | Two blades, graphite composite |
| Battery: | Li-Po 28V, 8000mAh |
| Wing span: | 2.806 m |
| Wing area: | 0.75 m2 |
| Length: | 1.94 m |
| Weight : | 5.5 kg |
| Maximum payload weight: | <1.5 kg |
| Max takeoff weight: | 7 kg |
| Max speed: | 120 km/h |
| Cruising speed: | 61 km/h |
| Operational altitude : | 300 - 500m |
| Flight duration: 1+ h | 1+ h |
| Launching: | Automatic, hand launch |
| Landing: | Automatic, parachute and airbag, Optional: belly landing |
| Uplink: | UHF, frequency-hopping spread spectrum |
| Downlink: | S-band, digital, coded |
| Guiding: | Fully autonomous way points tracking, holding, camera guiding, Emergency and return home mode |