- Jan 7, 2002
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The head airbag takes only 0.1 seconds to inflate, completely covering the bicycle riders head and neck


It is the perfect invention for those of us too vain to bother wearing a helmet while riding our bikes.
The 'Hvvding' helmet is an airbag 'collar' that springs into action within 0.1 seconds, covering the skull and neck of a rider in the event of an impact.
Roughly translated into English as the 'Chieftain' - the Hvvding was designed over six years by two Swedish industrial design students.
The team developed a system using a collar containing a folded airbag which is only inflates when sensors inside detect a sudden jolt.
A small helium gas cylinder inflates the collar in just 0.1 seconds and it remains inflated for several seconds after impact. The device has been 'tuned' by recreating hundreds of accidents using crash test dummies and real riders.
She said: 'The airbag is designed as a hood that surrounds and protects the rider's head.
http://www.dailymail.co.uk/sciencet...-riders-refuse-wear-helmet.html#ixzz130qBEd00
A small helium gas cylinder inflates the collar in just 0.1 seconds and it remains inflated for several seconds after impact. The device has been 'tuned' by recreating hundreds of accidents using crash test dummies and real riders.
She said: 'The airbag is designed as a hood that surrounds and protects the rider's head.
http://www.dailymail.co.uk/sciencet...-riders-refuse-wear-helmet.html#ixzz130qBEd00