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Bicycle Helmet Safety Institute

The Helmet Update

Volume 32, #3, October 15, 2014

Previous Issues



Anti-Concussion Helmet


We are often asked why there is no anti-concussion helmet on the market.

One major reason is the thickness of the energy management material required. So we asked two noted helmet experts to estimate how thick a helmet made of today's EPS foam would have to be to keep the g's below 100 in the CPSC impact test that uses a two meter drop on the flat anvil. They prepared a paper detailing the various considerations.

The result: the helmet would be very thick. We have a new page up with the research and the mushroom helmet that you may find amusing:

helmets.org/concussionhelmet.htm

There are other materials, of course, but helmets made of them are similar in thickness to EPS helmets. And there are no published test results indicating that there would be a major difference in thickness.



This page was updated or partially revised on: March 19, 2015.
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