| AH-1Z Viper |
versus |
CAESAR |
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Picture Author:
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| Attack helicopter |
Type |
Self-propelled howitzer |
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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 |
17.7 tonnes (6×6 version)
28.7-30.2 tonnes (8×8 version) |
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| 58 ft 3 in / 17.8 m |
Length |
10 m / 32 ft 10 in (6x6)
12.3 m / 40 ft 4 in (8x8) |
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Width / Beam |
2.55 m / 8 ft 4 in (6x6)
2.8 m / 9 ft 2 in (8x8) |
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| 14 ft 4 in / 4.37 m |
Height |
3.7 m / 12 ft 2 in (6x6)
3.1 m / 10 ft 2 in (8x8) |
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| 2: pilot, co-pilot/gunner (CPG) |
Crew |
5-6 (3, emergency) (3, emergency) |
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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 |
On-road: 100 km/h / 62 mph
Off-road: 50 km/h / 31 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 |
600 km / 370 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 |
155 mm/52-calibre howitzer |
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