PR-5 Wiewior plus

SKNL PRz PR-5 Wiewiór plus is a Polish unmanned aerial vehicle being developed by students of Rzeszów University of Technology, beginning in January 2006. Fifth of the series, following PR-1 Szpion, PR-2 Gacek, PR-3, PR-4 and PR-5 Wiewiór, it is an experimental reconnaissance aircraft. It has carbon fiber and kevlar monocoque structure with aluminium ferrules. Power plants are two electric brushless three-phase motors.

Rescue System

Different types of parachutes used in PR-5 Wiewiór plus allow to control descent velocity depending on airplane weight and expected windspeed. Two basic types: ring and cruciform parachutes in various sizes are available; all use pilot chute pull-out deployment.

Specifications

General characteristics

Length: 1.4 mWingspan: 2.14 mHeight: 0.3 mWing area: 0.53 m²Empty: 2.5 kgMaximum takeoff: 5.5 kgPowerplant: 2x AXI 2820/14Airfoil: CLARK Y15Endurance: ~50 min