| AH-1Z Viper |
versus |
Archer Artillery System |
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Picture Author: Ibaril
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| Attack helicopter |
Type |
Self-propelled gun |
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| 30 September 2010 - present |
Service Period and Status |
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Unit cost:
US$27 million
US$31 million (new built) |
Program & Unit Cost |
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| 2000–present |
Production Period |
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| Bell AH-1 SuperCobra |
Related Projects |
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| 8 December 2000 |
First Flight |
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Empty weight:
12,300 lb / 5,580 kg
Useful load:
5,764 lb / 2,620 kg
Max. takeoff weight:
18,500 lb / 8,390 kg |
Mass / Weight / Displacement |
30 tonnes / 66,000 lb |
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| 58 ft 3 in / 17.8 m |
Length |
14.1 metres / 46 ft 3 in |
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Width / Beam |
3.0 m / 9 ft 10 in |
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| 14 ft 4 in / 4.37 m |
Height |
3.3 – 3.9 m / 10 ft 10 in – 12 ft 10 in |
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| 2: pilot, co-pilot/gunner (CPG) |
Crew |
2-4 (Commander, driver, 1-2 operators) |
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| 6,661 lb / 3,021 kg |
Payload |
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| 2 × General Electric T700-GE-401C turboshaft, 1,800 shp (1,340 kW) each |
Powerplant |
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| 4 blades on main rotor, 4 blades on tail rotor |
Rotor Systems |
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| 48 ft / 14.6 m |
Rotor Diameter |
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| 1,808 ft² / 168.0 m² |
Disc Area |
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Never exceed speed:
222 knots / 255 mph / 411 km/h in a dive
Cruise speed:
160 kt / 184 mph / 296 km/h |
Speed |
65 km/h / 40 mph |
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Range:
370 nmi / 426 mi / 685 km
Combat radius:
125 nmi / 144 mi / 231 km with 2,500 lb (1,130 kg) payload |
Operational Range |
500 kilometres / 310 mi |
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| 20,000+ ft / 6,000+ m |
Service Ceiling |
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| 2,790 ft/min / 14.2 m/s |
Rate of Climb |
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Armament |
Main armament:
1× FH 77 derived 155-mm/52-calibre howitzer
Secondary armament:
1× Protector (RWS) Remote weapon system |
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Engine |
340 hp (250 kW) Diesel Engine |
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Suspension |
Volvo 6×6 hydraulic suspension, Solid axles, multilink |
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Barrel Length |
8.06 m / 26 ft 5 in |
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