Credit
Amit Agronov · CC BY-SA 3.0 · Resized · CC BY-SA 3.0 · Source ↗ · Modified
FORCETALLY
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At a glance
Measured figures
X-47B · Height
Single source10 ft 5 in (3.10 m)[source]
Cruise; Cruise speed
Cross-checkedMaximum; Maximum speed
Single sourceCruise; Cruise speed
Cross-checked176 km/h (109 mph, 95 kn)[source]
130 km/h (80 mph, 70 kn)[source]
70 kts[source]
Cruise; X-47B · Mach 0.9+ / high subsonic
Single sourceMach 0.9+ / 690 mph (high subsonic)[source]
900 ft/min
Single source4.6 m/s (900 ft/min)[source]
X-47B · Wing area
Single source953.6 sq ft (88.59 m 2 )[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Configuration
| Specification | Elbit Hermes 450 | Northrop Grumman X-47B |
|---|---|---|
| Crew | None aboard (semi-autonomous operation)[source] | |
| Type | Unmanned surveillance and reconnaissance aerial vehicle[source] | Unmanned combat aerial vehicle Technology demonstrator[source] |
| National origin | Israel[source] | United States[source] |
| Manufacturer | Elbit Systems Adani-Elbit Advanced Systems[source] | Northrop Grumman[source] |
| Status | Active[source] | Active[source] |
| Primary users | Israeli Air Force Philippine Air Force Royal Thai Army[source] | — |
| Introduction date | 1998[source] | — |
| Variant | Thales Watchkeeper WK450[source] | — |
| Developed into | Elbit Hermes 900[source] | — |
| Capacity | 180 kg (400 lb)[source] | — |
| Fuel capacity | 105 kg (231 lb)[source] | — |
| Stall speed | 78 km/h (48 mph, 42 kn)[source] | — |
| Max mission radius | 200 km (120 mi; 110 nmi)[source] | — |
| Engine | Wankel R802 Engine (351cc)[source] | — |
| Primary user | — | United States Navy[source] |
| Number built | — | |
| First flight | — | 4 February 2011[source] |
| Developed from | — | Northrop Grumman X-47A Pegasus[source] |
| Powerplant | — | 1 × Pratt & Whitney F100-220U turbofan[source] |