In the quest for environmental leadership, there’s often a
delicate balancing act as designers strive to create cars that are
environmentally positive, yet offer the
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V-10
hydrogen engine undergoes dyno testing |
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features drivers most desire. Clearly, core values must remain
in focus during the process to retain the values and identity that
distinguish carmakers from their peers.
This has been BMW’s mission over the past decade as it has pursued
hydrogen cars and the performance to go with them. You can’t,
after all, lay claim to the title “ultimate driving machine”
if your zero-to-sixty times are glacial and you slog through corners,
even if powered by clean-burning hydrogen.
For years, BMW has been refining the liquid hydrogen fueled sedans
that it has placed in field trials on multiple continents, championing
the
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H2R
is imposing from any angle |
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use of hydrogen in conventional engines in lieu of the more popular
fuel cell. These hydrogen vehicles have improved over the years, making
the most of renewable hydrogen fuel in their internal combustion powerplants.
Now, this automaker is putting its stamp on the hydrogen record book
with adaptations of this hydrogen engine technology, fielding a land
speed record car that has passed the 185 mph mark and claimed an additional
eight records as well. Along the way it has achieved recognition by
the
Federation Internationale de l’Automobile as the
fastest hydrogen car in the world.
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Carbon
fiber body is by DesignworksUSA |
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A distinction achieved at the high-speed Miramas Proving Grounds in
France, BMW’s 285 horsepower H2R hydrogen car was propelled
to 100 km/h in about 6 seconds, setting records in the flying-start
kilometer; standing-start 1/2 kilometer, kilometer, and 10 kilometers;
flying-start mile; and standing start 1/8 mile, 1/4 mile, mile, and
10 miles. The record car was piloted by BMW works drivers Alfred Hilger,
Jörg Weidinger, and Günther Weber, who took turns at the
wheel of the H2R during their record-breaking session.
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BMW
hydrogen 7 Series at fueling station |
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The sleek and imposing car was conceived, designed, and developed
by the automaker’s subsidiary, BMW Forschung und Technik GmbH.
Its carbon fiber exterior was designed by DesignworksUSA, the California-based
strategic design consultancy owned by BMW Group. This is the same
design house that worked on the BMW E1 and E2 electric car prototypes
in the early 1990s.
This BMW is motivated by a 6.0-liter V-12 engine modified to run on
hydrogen, a gasoline powerplant normally found in the automaker’s
760i model. Among the engine modifications is a fuel injection system
adapted to handle hydrogen, which uses injection valves integrated
into the intake manifolds.
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BMW's
high-tech hydrogen engine |
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Special materials are also used for the combustion chambers. Liquid
hydrogen is carried in a vacuum-insulated, double-wall tank that’s
fitted next to the driver’s seat.
Is the H2R just a whimsical exercise? Nope, it’s part of a larger
vision. In fact, BMW plans to launch a dual-fuel 7 Series that will
run on hydrogen or gasoline, sometime during the production cycle
of the present model, surely at a price far lower than that of a hydrogen
fuel cell vehicle. Exercises like the H2R help pave the way.