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Understanding "Single-Impact Helmet"

post #1 of 11
Thread Starter 

Does this mean if you fall hard enough to sustain a concussion, but don't crack the plastic shell, you need to buy a new helmet?

 

 

Or, does this mean you are good until the plastic shell cracks?

 

 

I remember hearing from a sales rep about the microscopic air pockets within the styrofoam becoming deflated and the helmet thus losing impact-lowering potential after each collision.

 

 

 

I just want to be real sure about this, b/c last season I had one vicious fall onto my head, and then three weeks later the exact same fall, and yet the second caused some problems.

post #2 of 11


 

Yes.    It means the internal foam can only compress and absorb energy once.

 

 

Quote:
Originally Posted by BoredAtBMBW View Post

Does this mean if you fall hard enough to sustain a concussion, but don't crack the plastic shell, you need to buy a new helmet?

 

post #3 of 11
Thread Starter 

Wow, this makes things expensive.

post #4 of 11

How expensive would it have been if the helmet didn't do its job in the first place?

post #5 of 11
Thread Starter 

Well yeah, but 130 dollars for every fall to the head.  Hmmm... if you play it by the book you can be looking at 600 bucks a year just in helmet fees.

 

Perhaps that is the price to protect your brain.

 

 

I guess my G10 is trash.

post #6 of 11

Definitely consider the alternative. I'd say a new helmet is worth it.

post #7 of 11

That's the price of a far more effective helmet.
 

Quote:
Originally Posted by BoredAtBMBW View Post

Wow, this makes things expensive.



 

post #8 of 11

Fall less, especially on your head.

 

post #9 of 11

Stop hitting your head.duck.gif

post #10 of 11

You could always wear a concussion resistant football helmet, they never wear out! Im sure you'd be the coolest and coolest headed guy on the hill

post #11 of 11

 

The protection you get from your helmet depends on it's structural integrity.

 

To assess the damage after a fall, you would have to take into consideration, among other things, how cold was it, how hard did you hit, what you hit... did you fall on soft snow or did you run into a tree, and what was it's condition to begin with.

 

The problem is that helmets can sustain damage from an accident and have the damage invisible to the naked eye. Even a minor defect can potentially cause catastrophic structural failure the same way a chip in a car windshield can cause the entire windshield to shatter just by hitting a hard bump. This can also happen with cold plastic, although I'm sure they have designed around that as much as possible.

 

Back in the olden times, after an accident you could take your motorcycle helmet to an ER and they would x-ray it for you so you could tell if it was damaged. I would say liability claims have probably killed those days, and with the price of a ski helmet it wouldn't be cost effective even if they would do it for you.

 

All that said, I believe the standard most helmet manufacturers use is "after a significant impact". Personally, I would say if I hit my head hard enough to rattle it good, I'd replace my helmet no matter what it looked like. Other than that, I probably do more damage to my helmets by piling them in the trunk and throwing gear on top of them anyway.

 

Keep in mind, I'm not a lawyer or an equipment manufacturer or helmet safety expert, and this is just my personal opinion.

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