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Old 11-24-2014, 05:13 PM   #1
CUZ
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Snell M2015 Standard

http://www.webbikeworld.com/motorcyc...2015-standard/


http://www.smf.org/standards/m/2015/M2015FinalFinal.php


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Old 11-25-2014, 06:05 PM   #2
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Looks like no changes from 2010.... Still the same body less head dropped at 18 mph onto a metal curb.

That said snell is the best helmet standard going by a long shot. Make sure to check for the tag on the inside. Sometimes hear about online purchases advertised as a "snell model" coming without the tag...
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Old 11-25-2014, 06:14 PM   #3
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I thought ECE was better than Snell, but not sure about this new snell2015
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Old 11-25-2014, 06:17 PM   #4
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its diff

Who's better is a matter of opinion
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Old 11-27-2014, 05:34 PM   #5
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Basically a helmet that passes Snell will pass ECE 22.

The only thing better is the Formula 1 standard which is based on Snell 2000 testing process with slightly higher impact speeds.

In the 2010 version, Snell lowered the impact mass inside the helmets to match the ECE standard.

I'm a bit bugged about it but they apparently wanted to make it easier for Manufactures of ECE helmets to meet Snell also so that they didn't get driven out of the market place worldwide.

However, Snell still does the second impact test where ECE only does one.

Snell also tests anywhere in the dome of helemet, including vent locations. ECE only tests at four points, one above the brow, each side at temple, and one in rear. Nothing else tested, incld nothing over top of the lid for 140 degrees of arc length.


Where you could say that ECE does better is by requiring Production line and batch testing. A new model line will have the first 40 helmets pulled and thereafter 1% random sampling.

The testing is all done by the manufacture who must keep records for 10 yrs in case the EU regulators want to come around.

The testing and sample selection is done by the mfgr. which forces them to have QC procedures and staff, but only if the inspector requests, would samples be sent to an outside lab. The good is it means batch records, markings, are required to be controlled.

Snell apraoach is less formal and does not require the manufacture to have their own quality testing facilities or sampling. Snell simply use the annual fee for the stickers to buy that helmet from a store and test it in their lab.

Both ECE and Snell only reject the batch affected, or withdraw certification in cases of snell, if two samples fail the quality control testing. So if the first helmet fails but the next one passes, it's all good still.

So in my opinion best to buy from a vendor you trust and not relly on either standard to provide quality control.





If your bored here are links that you can read for yourself.


ECE 22

http://www.unece.org/fileadmin/DAM/t...gs/r022r4e.pdf


Snell M2015

http://www.smf.org/standards/m/2015/M2015FinalFinal.pdf


DOT

http://www.gpo.gov/fdsys/pkg/CFR-200...sec571-218.pdf


Look up your helmet DOT record here:

http://www.nhtsa.gov/cars/problems/comply/index.cfm


Example of HJC CL-14 DOT report

Notice the peak g's on page 12 compared to the 2 milli second and 4 millisecond values required by DOT.

http://www-odi.nhtsa.dot.gov/acms/cs...36682-0813.PDF
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Old 11-27-2014, 05:41 PM   #6
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My first HJC was Snell rated, my modular HJC wasn't, just DOT.

The new one felt so good I didn't care though.

Maybe it considered it an open face.
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Old 11-27-2014, 06:09 PM   #7
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What do you think about NEXX helmets? Crash wise

Last edited by r6racer; 11-27-2014 at 06:11 PM.
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Old 11-27-2014, 06:16 PM   #8
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Snell would not give a chance to certify flip ups until only recently. Past few years I think.

Now snell mentions them in their std but requires they pass all the same tests as a full faced helemet without the mechanism coming undone to th satisfaction of the technition. So they can't be certified as open face under snell but is now possible to get a snelk rating if mfgr think it will help with sales to do so.

ECE does alow filp ups to be certifed as open face, ie. no chin bar tests, but they do also have an impact test for the chin bar similar to snell for full face helmets and the helmet could be made as ECE full face but would need to check with the mfgr.

DOT has no such test for chin bar. Just an old 1960's version of snell.
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Old 11-27-2014, 06:27 PM   #9
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Quote:
Originally Posted by r6racer View Post
What do you think about NEXX helmets? Crash wise
No clue. Best comparison site for helmets I've found are webbikeworld world and this website which actually reports some performance data for various brands.. Although NEXx is not listed.

http://www.m.crash.org.au/listing.php?type=fullface


Of course no two crashes will ever be the same but it is still interesting to know a relative performance versus just passing.
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