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i swear i have checked all the internet sites, they are no giro nine.mx in a medium or large. My old one is banged up and i dont really want a g10mx. Bummer. can anyone find a giro nine.mx is medium or large??
that's because it's too gay and flimsy. i was tearing off the styrofoam in it at work today.. how is it supposed to protect my head from cracking when i can pick it apart with a fingernail. hmmmmmm, riddle me that one.
Anthema - if the material were made of a very solid material...how much impact is that going to absorb...simple physics here buddy, but I assume if youre working in a ski shop you probably havent had much of that, have you?
i'm an engineer dummy. i was saying the styrofoam is too cheaply exposed in the g9 whereas most other helmets have at least a coat of plastic to keep the shit intact.
you know what, how about you explain the physics to me then, mister smarty pants. explain why metal is not as energy absorbant as something such as styrofoam. and please, make sure you use these 'simple physics' that you speak of.
yarrr... 2 reasons.. the energy of the impact is reduced by increasing the stopping distance when your head collides with something (it deforms). second, since the helmet material permanently deforms or is damaged, some of the energy is converted into internal energy which becomes permanenly stored in the deformed /broken helmet. ie.. a foam helmet that sprung back to its original shape wouldnt work as well... and thats why one should always replace a helmet after a fall, its usefulness is significantly reduced.
Annnyway.. i won a medium nine MX and it should be on its way. It's too small for me, so im interested in selling it or trading for an XL!
yeah its fucked up. the 05/06 giro productcatalouge doesnt even have the nine mx, only the one without the visor, the nine. i want the mx so bad. i think the 10 is so much uglier
Its just increasing the stopping distance...thats all the physics you really need to know. I am in Advanced Physics of the Human body, all we talk about everyday is bodily injury.