Israel's pilotless helicopter

An Israeli firm called Steadicopter has developed an unmanned helicopter called the Black Eagle 50 (pictured). Israeli firm Steadicopter has unveiled its Black Eagle 50 mini rotary unmanned air vehicle. The design is 2.3m (7.5ft) long and has a rotor diameter of 2m, with a maximum take-off weight of 35kg (77lb), including a 3kg payload.Steadicopter research and development manager Rami Hadar says