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April 10th, 2007
Gear trials planned this year
Virginia-based Delos Aerospace has developed the in-wheel system, which uses axial flux disk motor-generators to replace friction braking disks. It is in talks with an undisklosed motor and controller specialist aerospace company and is looking at applications for very light jets and general aviation aircraft.
The in-wheel system uses nanotechnology-enhanced "ultra capacitors" developed under a US Defense Advanced Research Projects Agency programme for directed energy weapons. Delos claims that to move a Boeing 777 would need 4,500kg (10,000lb) of conventional capacitors, but only 230kg of ultra capacitors, located in both nose and main wheels.
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