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Government helmet ratings - top rated for £30

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guile
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Joined: 20 Mar 2012
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PostPosted: 22:45 - 10 Mar 2014    Post subject: Government helmet ratings - top rated for £30 Reply with quote

Are these ratings considered reliable? Just started looking at them and you can get a 5 star-rated helmet for £30 on ebay (duchinni d832). Looks too good to be true.

https://sharp.direct.gov.uk/testhelmetlist?order=field_price_value&sort=asc&sharp-make=All&sharp-model=&sharp-type=All&sharp-rating=5


Last edited by guile on 22:58 - 10 Mar 2014; edited 1 time in total
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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 22:57 - 10 Mar 2014    Post subject: Reply with quote

Yes. They are measuring energy dissipation.

Some of the cheaper helmets smash entirely to bits on impact. This is actually, in all probability, what you want to happen if your head is inside it as it dissipates the maximum amount of energy.

They are only good if they fit though. A badly fitting helmet could easily be more dangerous than not wearing one at all.

Even a well fitting one doesn't help as much as most people seem to think they do. This is why I consider visability to be of more importance than the star rating of the helmet. Seeing and avoiding the crash in the first place is the best strategy.

So try it on to make sure it fits and that you can see out. Don't buy a helmet off ebay unseen.

It would be in interesting exercise to make the shittiest helmet that still passes the EU regulations. I bet you could do it using cloth-covered polystyrene. You could show it to people on their CBT and say "The helmet you are wearing has to be no better than this at protecting you in a crash. Try not to fall off.".
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lihp
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PostPosted: 23:00 - 10 Mar 2014    Post subject: Reply with quote

the star ratings are also comparable only to helmets of similar style.

An open face helmet can also score 5 stars, which is stupid.
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Ste
Not Work Safe



Joined: 01 Sep 2002
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PostPosted: 23:11 - 10 Mar 2014    Post subject: Reply with quote

A £600 top of the range 2014 latest and greatest Arai lid will be worse in a crash than a £30 no name lid that fits you better than the Arai.

Fit is everything. But as Mein Führer points out, avoiding crashing in the first place is the best plan.


Last edited by Ste on 23:16 - 10 Mar 2014; edited 1 time in total
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dave666
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Joined: 02 Sep 2012
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PostPosted: 23:15 - 10 Mar 2014    Post subject: Reply with quote

People pay hundreds of pounds for looks, comfort, features and name recognition.

a £30 helmet is fine safety wise.
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pinkyfloyd
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PostPosted: 23:23 - 10 Mar 2014    Post subject: Reply with quote

My issue with SHARP and many instructors I know have the same views. Its not a real world test. They test impacts in various areas and run all the tests they run but the reality is, the only way to really test how a helmet performs is by having an accident in it.

But as said a few times. Fit is more important than price etc.

We have been informed that if you do have an accident involving a head impact then get in contact with the manufacturer. Many big names would want you to send your damaged lid back to them and some offer discount on a replacement because the info stored in your helmet is gold dust to their tech guys.
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Tungtvann
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PostPosted: 23:26 - 10 Mar 2014    Post subject: Reply with quote

stinkwheel wrote:

They are only good if they fit though. A badly fitting helmet could easily be more dangerous than not wearing one at all.

Really? How?

I understand a good fitting helmet is important, but as long as the thing doesn't come off in a crash, how could having any piece of plastic and polystyrene on your head be worse than nothing at all?
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Rogerborg
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PostPosted: 23:31 - 10 Mar 2014    Post subject: Reply with quote

PhilDawson8270 wrote:
An open face helmet can also score 5 stars, which is stupid.

And can you tell me which open face helmet tested by SHARP scored 5 stars?

I'll settle for you finding any open face helmet.

SHARP is the most useful comparison rating available. Everything else is conjecture, anecdote, or marketing.

But as stinkwheel points out, the range of survivable impacts is so small that the difference between a 1 and 5 star helmet is unlikely to effect the outcome for you.
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lihp
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PostPosted: 23:34 - 10 Mar 2014    Post subject: Reply with quote

Rogerborg wrote:
PhilDawson8270 wrote:
An open face helmet can also score 5 stars, which is stupid.

And can you tell me which open face helmet tested by SHARP scored 5 stars?

I'll settle for you finding any open face helmet.

SHARP is the most useful comparison rating available. Everything else is conjecture, anecdote, or marketing.


Embarassed Seems as though my knowledge of it was based on 6 year old information, that was MCN hear-say even then Sad
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stinkwheel
Bovine Proctologist



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PostPosted: 10:26 - 11 Mar 2014    Post subject: Reply with quote

Tungtvann wrote:

Really? How?

I understand a good fitting helmet is important, but as long as the thing doesn't come off in a crash, how could having any piece of plastic and polystyrene on your head be worse than nothing at all?

Put an egg in an egg box and shake it vigorously from side to side.

Now put one in a jam jar and do the same.

Now imagine the box/jam jar is your helmet and the egg is your head.

That's before you take point loading into account. If one of the bits of polystyrene is pushing into your head more than the rest of the shell it would be like the difference between hitting your eggshell with a sponge or the back of a knife.
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Rogerborg
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PostPosted: 10:54 - 11 Mar 2014    Post subject: Reply with quote

_Iain_ wrote:
I did a bit of research into the whole SHARP thing and concluded it was bollocks

I'm sitting comfortably.

SNELL tests more things, but I understand that (at least until recently), it tests impacts that aren't likely to be survivable anyway.
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Motorhate
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PostPosted: 11:13 - 11 Mar 2014    Post subject: Re: Government helmet ratings - top rated for £30 Reply with quote

guile wrote:
Are these ratings considered reliable? Just started looking at them and you can get a 5 star-rated helmet for £30 on ebay (duchinni d832). Looks too good to be true.

https://sharp.direct.gov.uk/testhelmetlist?order=field_price_value&sort=asc&sharp-make=All&sharp-model=&sharp-type=All&sharp-rating=5


I got a Duchini for my first helmet. Nice helmets as it goes, great fitting and comfortable. I'd recommend.

Also recommend the Caberg V2 407 which I had for a while until I came off. I had a head impact when I did and although I had a big headache for a couple of days, the helmet appeared to do its job. They're going for £40 at the moment from Ghostbikes.
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iooi
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PostPosted: 11:54 - 11 Mar 2014    Post subject: Reply with quote

Tungtvann wrote:
stinkwheel wrote:

They are only good if they fit though. A badly fitting helmet could easily be more dangerous than not wearing one at all.

Really? How?

I understand a good fitting helmet is important, but as long as the thing doesn't come off in a crash, how could having any piece of plastic and polystyrene on your head be worse than nothing at all?


Loose helmet slips back over your head and either snaps your neck or chokes you..... Rolling Eyes
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