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LZ-N07, a 75-metre semi-rigid design that can carry two tonnes of cargo, or 12 passengers.
ECONOMIST: Pushing the envelope
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They are based on a non-rigid design, in which the pressure of the helium inside the envelope is used to maintain the airship's shape.
ECONOMIST: Pushing the envelope
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The advantage of this arrangement is that it can be scaled up more easily than a semi-rigid design, since the envelope is not load-bearing.
ECONOMIST: Pushing the envelope
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The original Zeppelins were based on a rigid design in which separate gas-tight compartments were surrounded by a metal frame covered with a non-airtight fabric.
ECONOMIST: Pushing the envelope
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Larger modern airships rely on a semi-rigid design, in which engines and passenger compartments are suspended from a metal keel that runs along the bottom of the envelope and prevents it from distorting under the load.
ECONOMIST: Pushing the envelope
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Hamilton Airship, a South African company, is taking a similar approach, but has updated the classical rigid-airship design with a novel twist.
ECONOMIST: Pushing the envelope
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The body design includes a rigid-mounted battery frame, which helps provide greater body rigidity compared to a conventional compact car.
ENGADGET: Nissan starts US production of 2013 Leaf, vows faster charging and a lower entry price
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The tabular structure of early web pages (now outlawed in all but exceptional circumstances, like HTML email design) forced designers to internalize fairly rigid grid principles.
FORBES: Microsoft's Site Redesign Will Introduce Mainstream Business To The Responsive Web
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In the early 1990s, my work focused on combining the rigid vocabulary of computer programming with the playful possibilities of art and design.
CNN: How to design a better world