Reusing a helmet after an accident - KawiForums - Kawasaki Motorcycle Forums
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post #1 of 47 (permalink) Old 08-11-2007, 12:03 PM Thread Starter
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Reusing a helmet after an accident

do you guys think its a good idea to reuse a helmet thats been in an accident? i bought this helemt in 2003 and the first accident left a scrape mark about 2" by 3" big. my second accident gave it even more scratchs and broke off some vent covers. there doesnt seem to be any noticable dents and the helmet seems like it would be ok to ride with again. do you guys think i should reuse it?

ps. its an arai quantum/f matsudo replica. ill try and post some pics of it.
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post #2 of 47 (permalink) Old 08-11-2007, 01:43 PM
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No.

It's not a good idea to continue using that helmet. A scrape measuring 2"x3" is huge on a helmet. Apart from that, helmets are made from plastics or composite materials, not metal, and they don't dent, they just weaken and fracture.

You can continue to use that helmet, but you can't expect it to protect your head properly next time you crash. It was an expensive and very good helmet, but it's done its job and it's time to replace it.

Having said that, it's your head, not mine, and in the past I have been guilty of wearing a helmet after many drops/falls/kicks-down-the-road, and waaaay past its use-by date.
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post #3 of 47 (permalink) Old 08-11-2007, 01:56 PM Thread Starter
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dang that sucks. i knew in the back fo my head i wouldnt be able to keep wearing that helmet. but when you buy a helmet for the first time you think "this is the only helmet im gonna need so i may as well buy a good one". so i go and buy the best i can find and now its useless. damn shame.

i cant even bare to buy a cheaper helmet cause the arai helmets spoiled me. helmets like icon and hjc all feel heavy and uncomfortable after my arai. another $500 down the drain.
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post #4 of 47 (permalink) Old 08-11-2007, 02:21 PM
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Even dropping it from a few feet sends spider cracks all the way through it, So deffinitely after an accident or even a good drop, It needs to be replaced, Because next time it goes down, If it hits hard enough it could just explode on impact.
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post #5 of 47 (permalink) Old 08-11-2007, 02:35 PM Thread Starter
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Quote:
Originally Posted by Huffman
If it hits hard enough it could just explode on impact.
explodes on impact? that sounds far fetched
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post #6 of 47 (permalink) Old 08-11-2007, 02:48 PM
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Quote:
Originally Posted by roboo7
explodes on impact? that sounds far fetched
but would u want to take that chance.

altho im with nigel, i wrecked in mine, and i landed on my head. it was in soft dirt tho, but the impact was hard enough to split the skin on my forhead, and gave me a tiny cut. that said, im still using the same helmet. theres NO marks, besides a few light scratches on the visor.

maybe some day,. when i have more money to spend i'll replace it with a newer more expensive one. but for now...
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post #7 of 47 (permalink) Old 08-11-2007, 02:49 PM
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it depends on your financial situation. if you can afford a new helmet, then by all means get a new one. once one has been droped or in a wreck, they are comprimised. if you have no money at all, then certainally wearing a comprimised on is better than wearing nothing at all. but you should make it a priority to get a new one as soon as possable.

Huffman is some what right. even a drop from a couple feet can comprimise one. the interior is a composit, and a helmet is only designed to take a single impact. the materials are designed, to fracture and displace. and if a led is involved in a second accident or drop, since they are deesigned to absorb a single impact, they are not garanteed to absorb a second

if you question it, you can send your helmet in to the manufacture and have them xray it and let you know if it has been comprimised or is still good.
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post #8 of 47 (permalink) Old 08-11-2007, 03:13 PM
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Helmets are basically built for a one time use. If you were in an accident, replace it, if you drop it hard enough to eventhing the integrity of the helmet is compromised...get a new one.
Thats why I buy the mid-priced helmets comparable to the expensive ones. Spending $200 on an EXO-700 is easier for to replace than a $600 Aria.
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post #9 of 47 (permalink) Old 08-11-2007, 03:22 PM
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Quote:
Originally Posted by roboo7
explodes on impact? that sounds far fetched
Maybe not in a 40 mph lowside, but say you're going 150, and go down head 1st, its not going to be left in one piece.

Has anyone thats taken the MSF replied to this? I know atleast in my class we were showed an x-ray of a normal helmet, then one dropped from only a few feet and also one from a crash.

The x-ray, not so bad from just a drop, still spider cracked though. but as for the helmet that went through the crash, even with only minor scratches, the x-ray was not pretty.
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post #10 of 47 (permalink) Old 08-11-2007, 03:42 PM
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Technically, even if you just BUMP a helmet against something more than casually you're supposed to send it into the manufacturer for inspection. Helmets are intentionally designed with 'crumple zones', per se'...layers of specifically engineered harder and softer pieces to absorb the impacts that occur during a wreck and transmit as little force to your head as possible throughout the entire wreck without the helmet falling apart. Even if you were in a 5mph getoff and your helmet tagged the ground once, time to replace it.

Huffman exaggerated a bit with the word 'explode'...'shatter' is the better word to use, and it WILL. It will break into pieces, splinter and peel off in layers, and the shell will just fall apart as you slide.
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