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| MAY 27, 2008 |
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MIAMI (Reuters) - U.S. researchers are ramping up their use of unmanned, remote-controlled
airplanes this year to penetrate the heart of Atlantic hurricanes in the hope of learning more
about what makes the giant storms tick.
But they will be flying the rugged drones from the eastern Caribbean island of Barbados
because American aviation authorities won't let them launch the tiny aircraft from U.S. soil out
of concern they could endanger other planes.
Nonetheless, storm researchers are confident their drones, which resemble hobbyists'
model airplanes but can be controlled by satellites, will give them a more complete picture of
the core of cyclones than they've ever had before.
The drones can fly into the eye of a storm just 300 feet above the sea surface and send back
a constant stream of temperature, pressure, wind and humidity readings.
"It can get measurements we couldn't get otherwise," said Joe Cione, a research
meteorologist with the U.S. National Oceanic and Atmospheric Administration.
"That area of the storm is critical because that's where the maximum winds are. It will give us
a better understanding of where the energy is extracted out of the sea."
Made by Australia's Aerosonde Pty Ltd. and worth between $50,000 and $80,000, the
unmanned aircraft measure just 7-feet long, have a 9-foot (2.7-metre) wingspan, and weigh
only 28 pounds (12.7 kg).
They are much smaller and less sophisticated than those used by the U.S. military in war
zones. Powered by a tiny 24 cc motor and a single propeller, they can fly at about 70 mph
(113 kph) and cover an astonishing 2,000 miles on a single 0.66 U.S. gallon (2.5-litre) tank of
fuel, Cione said.
They are catapulted into flight or launched from a moving vehicle, and are initially flown using
a joystick before control is transferred to a laptop and then to satellite.
Unlike the manned hurricane hunter aircraft used for years to penetrate cyclones at around
10,000 feet, the Aerosondes will fly a few hundred feet above the ocean, where the critical
energy transfer from sea surface to storm occurs.
airplanes this year to penetrate the heart of Atlantic hurricanes in the hope of learning more
about what makes the giant storms tick.
But they will be flying the rugged drones from the eastern Caribbean island of Barbados
because American aviation authorities won't let them launch the tiny aircraft from U.S. soil out
of concern they could endanger other planes.
Nonetheless, storm researchers are confident their drones, which resemble hobbyists'
model airplanes but can be controlled by satellites, will give them a more complete picture of
the core of cyclones than they've ever had before.
The drones can fly into the eye of a storm just 300 feet above the sea surface and send back
a constant stream of temperature, pressure, wind and humidity readings.
"It can get measurements we couldn't get otherwise," said Joe Cione, a research
meteorologist with the U.S. National Oceanic and Atmospheric Administration.
"That area of the storm is critical because that's where the maximum winds are. It will give us
a better understanding of where the energy is extracted out of the sea."
Made by Australia's Aerosonde Pty Ltd. and worth between $50,000 and $80,000, the
unmanned aircraft measure just 7-feet long, have a 9-foot (2.7-metre) wingspan, and weigh
only 28 pounds (12.7 kg).
They are much smaller and less sophisticated than those used by the U.S. military in war
zones. Powered by a tiny 24 cc motor and a single propeller, they can fly at about 70 mph
(113 kph) and cover an astonishing 2,000 miles on a single 0.66 U.S. gallon (2.5-litre) tank of
fuel, Cione said.
They are catapulted into flight or launched from a moving vehicle, and are initially flown using
a joystick before control is transferred to a laptop and then to satellite.
Unlike the manned hurricane hunter aircraft used for years to penetrate cyclones at around
10,000 feet, the Aerosondes will fly a few hundred feet above the ocean, where the critical
energy transfer from sea surface to storm occurs.
That's just plain nutty...
Remote controlled airplanes to explore hurricanes
Remote controlled airplanes to explore hurricanes
