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Hermes 900 vs Watchkeeper WK450

Hermes 900 vs Watchkeeper WK450 at a glance — top speed 220 vs 143 km/h, range 1,000 vs 150 km, max takeoff weight 1,400 vs 485 kg, built 200 vs 54 units.

Elbit Hermes 900 military drones side profile drawing
🇮🇱 Hermes 900
Thales UK Watchkeeper WK450 military drones side profile drawing
🇬🇧 Watchkeeper WK450
Specifications
Hermes 900 Watchkeeper WK450
Origin country 🇮🇱 Israel 🇬🇧 United Kingdom
Category Military Drones Military Drones
Manufacturer Elbit Thales UK
First flight 9 December 2009 14 April 2010
Year introduced 2012 2019
Number produced 200 units 54 units
Average unit price $6.8 million $25 million
Wingspan 15.0 m 10.9 m
Length 8.3 m 6.5 m
Maximum speed 220 km/h 143 km/h
Operational range 1,000 km 150 km
Service ceiling 9,100 m 4,900 m
Max. takeoff weight 1,400 kg 485 kg
Empty weight 950 kg 300 kg
Total thrust 1 x 160 kW --
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the Hermes 900 or Watchkeeper WK450?
The Hermes 900 is faster with a maximum speed of 220 km/h compared to the Watchkeeper WK450's 143 km/h, a difference of 77 km/h.
Which has longer range, the Hermes 900 or Watchkeeper WK450?
The Hermes 900 has a longer range at 1,000 km compared to the Watchkeeper WK450's 150 km.
Which can fly higher, the Hermes 900 or Watchkeeper WK450?
The Hermes 900 has a higher service ceiling at 9,100 meters (29,855 ft) compared to the Watchkeeper WK450's 4,900 meters (16,076 ft).
Which is heavier, the Hermes 900 or Watchkeeper WK450?
The Hermes 900 has a higher maximum takeoff weight at 1,400 kg compared to the Watchkeeper WK450's 485 kg.
Which is larger, the Hermes 900 or Watchkeeper WK450?
The Hermes 900 is longer at 8.3 meters compared to the Watchkeeper WK450's 6.5 meters.
Which is more expensive, the Hermes 900 or Watchkeeper WK450?
The Watchkeeper WK450 is more expensive at approximately $25 million per unit compared to the Hermes 900 at $6.8 million.
Which entered service first, the Hermes 900 or Watchkeeper WK450?
The Hermes 900 entered service first in 2012, 7 years before the Watchkeeper WK450 which entered service in 2019.
Which has been built in greater numbers, the Hermes 900 or Watchkeeper WK450?
The Hermes 900 has been produced in greater numbers with 200 units compared to 54 units of the Watchkeeper WK450.