Compound interest

Pierce, Julia
October 2004
Engineer (00137758);10/8/2004, Vol. 293 Issue 7661, p14
This article reports that the preliminary design of an unmanned reconnaissance and combat helicopter has been unveiled by Bell Helicopter. The design is the Lockheed Martin Corp.-led bid for the Unmanned Combat Armed Rotorcraft project, a multi-million dollar, two year DARPA programme. Thirteen air vehicles were considered, from conventional helicopters and tilt-rotor craft through to those using lift fan technology, examining 40 factors such as levels of autonomy, command and control and minimising lifecycle costs. The design replaces the exposed back tail rotor with a fan and thrust direction tail nozzle at the end of the boom.


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