i already have an SA helmet i use for road events. the reason i like my
old red helmet is that it isnt worth anything so i dont have to worry
about it getting ripped off. i wouldnt use it for a motorcycle. it
was originally a blem at bell motorsports way back when.
james
OSP - Orphan Speedsters Prepare
PAUL TIBBALS wrote:
> James,
> As I understand it, yes, the 1990's are no longer allowed once
> manufacturers are actually shipping the Snell 2005 certified helmets.
> And of course someone will always remind you that older helmets may
> have deteriorated, etc. etc. There was a temporary exception given
> last time around as XXL and larger helmets were not in the retail
> channel simultaneously as the other sizes, I think.
>
> There was a quite interesting test, run by a motorcycling magazine
> recently, that showed (my simplistic summary) that helmets meeting the
> latest Snell rating often imparted more damage to one's noggin in any
> impact significantly below the design basis maximum impact, more than
> a helmet meeting a different standard. My interpretation is that they
> have to be enough stiffer and stronger to meet the increased maximum,
> thereby reducing the amount of "give" for lower and statistically more
> likely impacts. Snell Foundation response at
> http://www.smf.org/response.html. Original article, including Snell's
> response and a rebuttal comment, at
>
> http://motorcyclistonline.com/gearbox/hatz/. Of course, the SCCA does
> not give us a choice in this matter.
>
> Other thoughts: If you are anticipating only auto-related usage, you
> could pick up an SA-rated helmet and be prepared for the upper level
> auto racing events which do not allow M-rated helmets. Probably
> bigger $$ though.
> The other major difference is said to be that the M helmets are better
> against a point-type intrusion (fence post) where the SA's are built
> for better protection when bashed by something like a roll cage member.
>
> Finally, if you want an M-rated helmet, I have had great luck at Cycle
> Gear in Hayward (on Mission), and Road Rider in San Jose (on Monterey
> Highway) for selection and decent price. The place in Oakland,
> formerly Bell Motorsports and I can't remember the new name, is
> notable in having auto-type SA helmets, and for advertising in SCCA's
> papers.
>
> Paul T
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