Audi 2013 Annual Report Download - page 27

How can the tremendous load on a marathon runner best be illustrated
How can the tremendous load on a marathon runner best be illustrated
?
?
The route is 42.195 kilometers long. The main thing that separates good marathon runners from bad ones is the length
The route is 42.195 kilometers long. The main thing that separates good marathon runners from bad ones is the length
of their stride, which is between one and two meters. Assume 25,000 strides, during which the runner accelerates each of
of their stride, which is between one and two meters. Assume 25,000 strides, during which the runner accelerates each of
their shoes upward 12,500 times in a half-rotation and then decelerates them again when landing. A high-performance
their shoes upward 12,500 times in a half-rotation and then decelerates them again when landing. A high-performance
marathon shoe that can be as light as just 180 grams is obviously a huge advantage over a conventional 370-gram running
marathon shoe that can be as light as just 180 grams is obviously a huge advantage over a conventional 370-gram running
shoe. For two shoes, this means a combined weight saving of 380 grams. This enables our runner to save up to 218 kilojoules
shoe. For two shoes, this means a combined weight saving of 380 grams. This enables our runner to save up to 218 kilojoules
of energy compared with a conventional running shoe. Too theoretical
of energy compared with a conventional running shoe. Too theoretical
? Here it is again in more concrete terms
? Here it is again in more concrete terms
: Audi
: Audi
lightweight construction expert Karl Durst weighs around 68 kilograms. These 218 kilojoules are the precise amount of energy
lightweight construction expert Karl Durst weighs around 68 kilograms. These 218 kilojoules are the precise amount of energy
the well-trained marathon runner would need to climb the 324-meter Eiffel Tower.
the well-trained marathon runner would need to climb the 324-meter Eiffel Tower.
WEIGHT IS THE GREATEST
WEIGHT IS THE GREATEST
ENEMY OF ACCELERATION
ENEMY OF ACCELERATION
AUDI ULTRA – SYSTEMATICALLY SUSTAINABLE
AUDI ULTRA – SYSTEMATICALLY SUSTAINABLE
ultra no longer means just being “light,” but also setting new standards
ultra no longer means just being “light,” but also setting new standards
for efficiency. Audi is developing increasingly efficient engines and
for efficiency. Audi is developing increasingly efficient engines and
using ever-lighter materials. Along the entire value-added chain and at
using ever-lighter materials. Along the entire value-added chain and at
the individual Audi dealerships, less and less CO
the individual Audi dealerships, less and less CO
2
2
is being produced.
is being produced.
It is only logical then that models corresponding to the new ecological
principle of sustainability bear the word ultra in their name.
THINK LIGHT
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