# Helicopter Rotor Blade Size

The rotor system of the helicopter provides the aerodynamic lift for the aircraft. The rotor is a type of fan set atop a vast. The dimensions of the rotor depend on the chopper model.

### Helicopter Rotor Blade Size: AgustaWestland Apache

The rotor diameter is 14.6 m (48 ft). The length is 17.7 m (58 ft 4 in with rotors turning) and the height is 3.87 m (12 ft 8 in). The disc area is 168.11 m2 (1,809.5 ft2). The empty weight is 5,165 kg (11,387 lb). When loaded it is 8,006 kg (17,650 lb).

The crew is two. The max speed is 293 km/h (158 knots, 182 mph). The cruising speed is 259 km/h (140 knots, 161 mph). The range is 1,700 km (1,121 mi). The service ceiling is 6,400 m (21,000 ft) while the rate of climb is 12.7 m/s (2,500 ft/min).

### Helicopter Rotor Blade Size: Agusta A129 Mangusta

The rotor dimensions are 11.90 m (39 ft 1 in) in diameter. The chopper’s length is 12.28 m (40 ft 3 in). The height is 3.35 m (11 ft 0 in). The crew is two. The weight is 2,530 kg (5,575 lb) while the disc area is 444.9 m2 (4,789 ft2).

The top speed is 278 km/h (148 knots, 170 mph). The cruise speed is 229 km/h (135 knots, 155 mph). The range is 510 km (275 nm, 320 mi) and the service ceiling is 4,725 m (15,500 ft). The climb rate is 10.2 m/s (2,025 ft/min).

### Helicopter Rotor Blade Size: Eurocopter Tiger

The rotor diameter is 13.00 m (42 ft 8 in). The length is 14.08 m (46 ft 2 in). The disc area is 133 m2 (1,430 ft2) and the empty weight is 3,060 kg (6,750 lb). The height is 3.83 m (12 ft 7 in). The internal fuel capacity is 1,080 kg (2,380 lb).

The maximum speed is 290 km/h with the mast; it is 315 km/h without mast (157 knots, 181 mph with mast, 170 knots / 196 mph without it). The range is 800 km (430 nm, 500 mi). If with the external tanks at inboard stations, it is 1300 km. The service ceiling is 4,000 m (13,000 ft). The rate of climb is 10.7 m/s (2,105 ft/min).

### Helicopter Rotor Blade Size: Mi-28A

The rotor of the Mi-28A is 17.20 m (56 ft 5 in). The length is 17.01 m (55 ft 9 in) and the height is 3.82 m (12 ft 7 in). It weighs 8,095 kg (17,845 lb) empty and 10,400 kg (22,930 lb) loaded.

The crew is composed of a pilot and another one to manage the weapons and navigation. The maximum speed is 302 km/h (187 mph). The range is 1,100 km (640 mi) and the service ceiling is 5,800 m (19,000 ft). Its weapons include a 30 mm Shipunov 2A42 (300 rounds). It can also carry missiles and bombs.

The helicopter rotor blade sizes here are main rotors. There are blades installed at the rear called tail rotors. Their dimensions are smaller.