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Old 21-11-07, 10:29 AM   #11
drefraser
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Default Re: Helmet Replacement - Do I need to?

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Originally Posted by Ceri JC View Post
I think if you have actually banged your head on the deck in an accident with it, it's due for replacement.
I couldn't agree more. I'm on my third head now. The only issue is having to change photos on driving license, etc. and not being recognised by your family.
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Old 21-11-07, 11:21 AM   #12
Ceri JC
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Default Re: Helmet Replacement - Do I need to?

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Originally Posted by krhall View Post
Yeah I think that as usual the org is spot on. I have t5o say I am really impressed with the helmet itself even though it was only £69.99, which most people think is too cheap.
Yep. The Takachi TK-30 also does remarkably well in crashes (better than some £150 lids), considering it can be had for as little as £59.99.
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Old 21-11-07, 11:40 AM   #13
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Default Re: Helmet Replacement - Do I need to?

me shoei raid 2 faired pretty well when my old cbr125 spat me off cos of a disel spill on a round about.
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Old 21-11-07, 11:51 AM   #14
yorkie_chris
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Default Re: Helmet Replacement - Do I need to?

The lining in helmets works like a crumple zone in a car.

As the edge of the helmet hits the deck at some speed, your head is going to decellerate at some rate, given by the distance between your noggin and the edge of the lid, the foam absorbs this energy by compacting.
Its massively high G forces that actually damage the brain, so if you were to take a hit on foam thats already been compacted to maybe half of its total thickness, then you only have half the distance in which your head is going to decellerate, giving double the G force (decelleration) and significantly increasing the chance of you joining the ranks of the cabbage people.

So, IMO, if the lids taken enough of a knock that you felt/heard it hit the deck, then the foams done its job, and its time for a new one.
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Old 21-11-07, 12:14 PM   #15
rictus01
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Default Re: Helmet Replacement - Do I need to?

whilst I have had in the passed, some "budget" helmets, I won't ever again, I truely believe the quality of the Arai I had on saved my life and the fish bowl indentation in the car windscreen tends to support that, in fact most of the emergency crews at the time were amazed I survived at all.

Don't get me wrong, most of the helmets on sale today are more that good enough most of the time, but in the real world you get what you pay for, and I for one want the best I can get.

Cheers Mark.
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Old 21-11-07, 12:23 PM   #16
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Default Re: Helmet Replacement - Do I need to?

my philosaphy is "if you have to ask if it needs replacing then it does"
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Old 21-11-07, 12:27 PM   #17
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Default Re: Helmet Replacement - Do I need to?

with regards to hitting your helmet on a floor to see how long it breaks... surely this doesn't tell you anything about what happens to your head inside the actual lid as your whole bodyweight at a good speed drives it into the tarmac?

also good work on the 666 posts, looks pretty cool
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Old 21-11-07, 12:29 PM   #18
krhall
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Default Re: Helmet Replacement - Do I need to?

I think I'm with all the views on here.

Can I salvage the visor though? It is off my wifes helmet and she'll go mental if she has to replace it because I borrowed it?
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Old 21-11-07, 12:30 PM   #19
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Default Re: Helmet Replacement - Do I need to?

Might've known that I was near 666 yesterday - It was quite a day.

It is also the wifes birthday today and something bad always happens in the day before or on the actual day of her birthday.
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Old 21-11-07, 12:38 PM   #20
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Default Re: Helmet Replacement - Do I need to?

years ago in a near fatal m/bike accident when i slid off at high speed (head 1st into a tree)i was only wearing a cheap laser helmet.although i broke my neck in 2 places & the helmet caved in at 1 side i still believe this helmet saved my life.

yes i am sure you get what you pay for but also think whatever helmet i was wearing the outcome would probably have been the same as i had no head injuries.
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