micro-UAV flight-world record set by Pterosoar
SINGAPORE--The Pterosoar UAV, powered by a hydrogen fuel cell flew
128km (69nm) in California and set a new distance record for micro-UAVs,
exceeding previous distance record by 50%.
The propeller-powered Pterosoar is a joint effort between
California State University of Los Angeles and Oklahoma State University
The propulsion system is supplied by . Horizon
Fuel Cell Technologies of Singapore
Video of the flight is available .
Horizon says the flight used only 25% of the hydrogen
stored on board, and the UAV's range with a full pressurised tank
The Pterosoar is expected to make a flight exceeding
15.5h within the next few weeks, the company says, setting a new
endurance record for small UAVs.
Designed by OSU's Aerospace Engineering Laboratory,
the Pterosoar weighs 5kg (10.2lb) including hydrogen and fuel cells.
Horizon says its fuel-cell energy density of
480Wh/kg, 2.6 times that of the best available batteries, allows
80% of total power system volume to be used for pressurised hydrogen
In April a Horizon fuel cell powered the Hyfish jet-wing
UAV to 200km/h (108kt). The Hyfish was designed by and developed a consortium led by Swiss
company Smartfish . Video of that flight is available
aerospace centre DLR
Ultimately Horizon plans to use "hydrogen battery"
technology under development by . Millenium
The company's fuel cartridges use sodium borohydride
as the hydrogen storage medium, and will reduce the size of the
power system, says Horizon.
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