Originally Posted by
rydabent
... Closet and other anti helmet crowd claims that if a helmet breaks it did nothing.
That's not true. A broken helmet fattens the profit of helmet manufacturers if the cyclist believes a helmet is worth the cash because that cyclist will line up at the counter to buy a new one
Originally Posted by
rydabent
Try this. Take an empty styofoam coffee cup. (make that an empty cup--sure dont want EPA nazis getting upset) Push down on it. It will give (that means taking up energy) and then will finally break. Since it took up energy before it broke it is doing its job. A broken helmet does the same thing.
not quite. Eps is supposed to deflect energy by compressing, not splitting. Splitting can occur after the maximum compression has occurred, or if the foam fails in it's compression. Once the EPS has split, it cannot provide any protection.
Records of helmet failure has increased with newer designs. Older designs had lower rates of failure.