Aviation Startup Cobalt's Sleek New Plane Stars a
Canard
FLYING YOUR OWN plane is an awesome way to travel, but it's not as safe as
riding in an airliner-hundreds of people are killed in general aviation
accidents every year.
That's why aviation startup Cobalt is developing a new plane that aims to
radically improve safety by eliminating a leading cause of those fatal
accidents: the aerodynamic stall. Simply put, a stall is the loss of lift, and
is usually the result of the way the pilot has maneuvered the airplane. Once
stalled, the airplane starts to fall, and unless the pilot reacts quickly to
correct the situation, it crashes.
Cobalt says it's solved that problem. Tonight in San Francisco, the company
will officially unveil its first plane, the Co50 Valkyrie. It's a stylish
five-seater whose most notable feature is the second, smaller wing near the
nose. Called a canard, the extra wing creates a new, added source of lift, which
makes it harder to stall the airplane-or at least delays the dangerous loss of
lift.
The idea of the canard has been around since the Wright Brothers used one
on their first successful plane. The feature's been used on handful of military
aircraft, including the a JAS 39 Gripen fighter and XB-70 Valkyrie experimental
bomber. It was popularized in part by legendary aircraft designer Burt Rutan,
who used it in a series of small airplanes designed for do-it-yourself builders,
especially in the 1970s and 80s. But it adds to the complexity of the design,
and overall, it's considered to be less efficient than a mid-wing and rear
horizontal stabilizer setup. It's never been widely adopted in certified,
factory-built airplanes.
David Loury, the CEO and chief designer at Cobalt, hopes to change that
with the Valkyrie. Loury, who studied aviation at the Georgia Institute of
Technology before working at Airbus for several years, has been tweaking the
design for more than 10 years. Now, he says, it's ready to go into production.
"We really want to make things happen and not just be dreamers," he says. "We
want to offer better designs that enhance your safety."
The canard's not the only way to keep small planes safe: Icon's A5 can
stall, but uses a combination of elements, like wing cuffs and a bit of a twist
in the contour of the wing to avoid spinning when it does.
The Cobalt Valkyrie is a beauty, with an extra-wide glass canopy enclosing
the cockpit and cabin. The canard is tucked beneath the nose, and the engine and
propeller are in the back, so there's nothing up front to obscure the pilot's
view. Turned-up winglets at the end of each wing provide extra lift, and canted
twin tail surfaces enhance the sleek lines.
The Valkyrie's turbocharged, 350-horsepower off-the-shelf Continental
engine is good for a top speed of about 300 mph and a range of about 1,200
miles. The cockpit is designed to be ultra-simple and user-friendly, with a
glass-panel Garmin 3X flight display system. If Loury attains his dream of
getting the airplane fully certified by federal regulators-a daunting and
expensive process for a small company, costing millions and taking years-the
Valkyrie would be unique in its class.
Loury built the first prototype of the design in France, and in 2010, he
brought it to EAA AirVenture, in Wisconsin, the world's biggest general aviation
show. "We had an overwhelming response, which we weren't expecting," he says.
"We were a very small company." Dealing with all the attention was distracting,
so Cobalt's kept a low profile since, focusing on developing the airplane. Loury
moved the company to California, where it has test-flown four different tweaked
versions of the design, and worked on developing its construction
processes.
The airplane unveiled this week is Cobalt's fifth prototype. It hasn't yet
flown-as of earlier this week, it didn't even have the engine installed-but
Loury says it will enter flight testing next spring. "This is the final
aircraft," he says. It's positioned to compete with similarly sized planes from
the likes of Cirrus and Cessna.
Getting to the next step, a fully-certified version that can be sold
ready-to-fly for $699,000, will require lots of new investment. Cobalt says they
hope to get there within a couple of years, and hopefully show that pilots won't
be able to stall the plane.
There's a saying in aviation that if it looks good, chances are it will fly
good. Valkyrie's design definitely looks good, but the proof will be in the air.
Cobalt, a small aviation company based in California, today introduced its Valkyrie, a five-seat pusher with a canard, a wide bubble canopy, winglets and a twin canted tail. The company has planned a launch party for tonight in San Francisco, where it will roll out the latest version of the design. Cobalt brought an earlier version of the airplane to EAA AirVenture in 2010, which attracted a lot of interest, CEO and chief designer David Loury told AVweb. Since then the company has kept a low profile and focused on the engineering. The airplane will be offered first in an experimental version, at $595,000, Loury said, while the company works toward FAA certification. The all-composite airplane is powered by a 350-hp turbocharged Continental TSIOF-550 engine and will fly at speeds up to 260 knots with a range of 1,050 nm, the company said. It will have an emergency parachute and Garmin G3X touch avionics. Several prototypes have been test flown as the design evolved, but the airplane unveiled this week has not yet flown, Loury said. He expects to fly it in the spring. In this 2010 video, AVweb's Jeff Van West spoke with Loury about the design at EAA AirVenture. |
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