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Helicopter basic performance under standard atmosphere conditions Nos. | Parameter | Unit | Value | 1 | Maximum Takeoff Weight | kg | 650 | 2 | Maximum VNE, Indicated Airspeed | km/h | 180 | 3 | Maximum low-altitude level flight speed, Indicated Airspeed | km/h | 180 | 4 | Low-altitude cruise speed, Indicated Airspeed | km/h | 160 | 5 | Best range cruise speed, Indicated Airspeed | km/h | 120 | 6 | Maximum near-ground rate of climb at V= 85 km/h | m/s | 8.5 | 7 | Hover ceiling, OGE | m | 1,300 | 8 | Hover ceiling, IGE | m | 2,320 | 9 | Estimated service ceiling | m | 3,000 | 10 | Range, 10-liter fuel reserve | km | 320 | 11 | Endurance, 10-liter fuel reserve | hr | 2.6 |
Helicopter general dimensional data
Nos. | Dimension | Unit | Value | General | 1 | Length, rotor blades turning | m | 8.096 | 2 | Height at rest | m | 2.27 | 3 | Width exclusive of blades | m | 1.722 | 4 | Skid gear tread | m | 1.645 | 5 | Cabin width at shoulder level | m | 1.35 | Main rotor | 6 | Diameter | m | 6.84 | 7 | Number of blades | - | 3 | 8 | Blade chord | m | 0.17 | 9 | Solidity ratio | - | 0.0475 | 10 | Airfoil | - | NACA 63A012 | Tail (anti-torque) rotor | 11 | Diameter | m | 1.29 | 12 | Number of blades | - | 2 | 13 | Solidity ratio | - | 0.1144 | 14 | Blade chord | m | 0.115 | 15 | Airfoil | - | NACA 63A012 | 16 | Distance between main rotor and tail rotor (centerline to centerline) | m | 4.025 | Tail unit | 17 | Horizontal stabilizer area | m2 | 0.15 | 18 | Vertical stabilizer area | m2 | 0.267 | 19 | Distance between main rotor and horizontal stabilizer | m | 3.955 |
Cockpit dimensional and weight data: Length | 1.52 m | Width | 1.35 m | Height | 1.49 m | Weight | 31.5 kg | |