Global Aircraft -- Helios
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Helios Specifications
| Primary Function: |
Remotely piloted solar-powered airplane |
| Contractor: |
AeroVironment |
| Crew: |
None |
| Unit Cost: |
N/A |
| Powerplant |
| |
14 brushless direct-current electric motors, each rated at 2 hp. (1.5 kW), driving two-blade, wide-chord, 79-in. diameter laminar-flow propellers designed for high altitude. |
| Dimensions |
| Length: |
12 ft |
| Wingspan: |
247 ft |
| Height: |
N/A |
| Weights |
| Empty: |
1,322 lb |
| Maximum Takeoff: |
2,048 lb |
| Performance |
| Speed: |
up to 170 mph ground speed at extreme altitude |
| Ceiling: |
100,000 ft., typical endurance mission at 50,000 to 70,000 ft |
| Endurance: |
With solar power, limited to daylight hours plus up to five hours of flight after dark on storage batteries. When equipped with a supplemental electrical energy system for nighttime flight, from several days to several months. |
| Armament |
| |
N/A |
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Helios Achievements
- Reached a world-record altitude of 96,863 feet
- Sustained flight above 96,000 feet for more than 40 minutes during a test flight near Hawaii
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