A London design student has devised a cycle helmet based on a cardboard frame that he claims is able to absorb four times the impact of a standard helmet while also being recyclable. Anirudha Rao believes that as well as providing greater protection for cyclists who own their own bikes, the helmet – called the Kranium – could also prove useful to operators of bike hire schemes.
Rao, a postgraduate student at the Royal College of Art, unveiled the helmet made its debut at the London Cycle Show last October, and has been developed with the help of a £20,000 grant from the James Dyson Foundation.
The designer says: “The ribs of the structure have been designed to accommodate movement in some places where as it remains perfectly rigid in some areas. Thus during a crash the force peak of the impact is absorbed by the ribs tending to flex and de-flex. The remaining amount of energy is then absorbed by the crumpling nature of the corrugated ribs.”
Carlton Reid of the trade focused website BikeBiz filmed Rao talking about his invention at the Cycle Show last autumn, and there's also a video from Bike Republic that shows the Kranium being subject to a drop test together with a standard, off-the-shelf helmet.
An acrylic compound renders the cardboard waterproof, and it can be adjusted to provide an exact, snug fit to the wearer’s head.
As for bike share schemes, which have struggled in Australia for example due to the compulsory helmet laws there, Rao hopes that a quick assembly version of the helmets might be sold via vending machines and recycled after use.
The Independent reports that the Kranium has already been licensed by several cycle helmet manufacturers, bringing it a step closer to be seeing on the streets some time soon.
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Simon has been news editor at road.cc since 2009, reporting on 10 editions and counting of pro cycling’s biggest races such as the Tour de France, stories on issues including infrastructure and campaigning, and interviewing some of the biggest names in cycling. A law and languages graduate, published translator and former retail analyst, his background has proved invaluable in reporting on issues as diverse as cycling-related court cases, anti-doping investigations, and the bike industry. He splits his time between London and Cambridge, and loves taking his miniature schnauzer Elodie on adventures in the basket of her Elephant Bike.
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