地缘贸易博客This blog considers how ideas and events framed by geography and trade shape our world, while sharing observations and analysis on discovery, transport, industry and much more.






Thursday 7 April 2011

Airships of the Future – a revolution in airfreight?

Artist's impression of an Airship of the future

Airships are a means of transport few have taken seriously since the German Hindenburg Zeppelin went up in flames in 1937. The new generation of Airships use helium, not flammable hydrogen. Unlike the Zeppelin aircrafts, they are not lighter than air and have an internal frame where a large fraction of their weight is carried by aerodynamic lift on the wings and hull. They also have wheels and take off and land as passenger aircrafts do.

The new airships of the 21st century mix the concept of planes and zeppelins. They travel at slower speeds than traditional aircraft, around 200km/hr but they can carry 3 times more freight than a Boeing 747. Hence, the big idea for the new Airships is to carry cargo: heavy loads, such as turbines, or bulky ones, such as segments of oil refineries.

A cheaper way to send airfreight

Air freighting goods is currently an expensive means of transport and is usually only used for perishable goods, valuables that warrant the extra cost like pharamceuticals or more generally for goods that are subject to arriving within a time limit like newspapers.

Current trends show that geographical trade of air freighted goods is predominantly from Asia to the US and Europe. Freight planes often fly with empty holds to Asia, solely to collect goods.

If the cost of airfreight were to become much cheaper, it would be able to compete with surface transport like road and rail but with the added advantage of being able to go where road and rail infrastructure is lacking, for example, in Latin America, Asia and Africa. If this were possible, it may just provide a catalyst for rethinking what is sent by airfreight.

New Slow Airfreight Infrastructure

Perhaps the real opportunity for the new Airships in the 21st century is in developing a new Slow Airfreight Infrastructure, as a means of intercontinental transport for slow shipping freight. It would be cheaper, compared with traditional fast air transport. And it would enable airfreight to reach places with little or no road or rail infrastructure.

There may also be the potential for passenger transportation in airships if a new Slow Airfreight Infrastructure were to be built. It could be adapted as a cheaper means for passenger travel too. It would be a means of travel, not as fast as traditional passenger air travel but surely much faster than travelling overland in Latin America and Africa to connect cities within a continent.

One of the most recent projects is spearheaded by Lockheed Martin. Their first experimental Airship is due to fly in 2012. Below is a video of their proposed new Airship:

1 comment:

  1. 飞艇的缺点在于成本太高,风险很大。相较而言,公路运输成本很低。并且现在的报纸可以采用网络传输数据,异地打印,不需要运输纸质的报纸。因此这个很大限制了民用飞艇的发展。而在军事方面,飞艇目前又很难防御自己免受攻击。Overall, it's a good idea, but more applicant factors should be taken into account.

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