http://www.consumerreports.org/main/...=1069515095437
:eek:
phsyics type people is this a legit test? I'm more then a little worried about my melon
Printable View
http://www.consumerreports.org/main/...=1069515095437
:eek:
phsyics type people is this a legit test? I'm more then a little worried about my melon
"For our impact trial, we chilled helmets to between 0º F and 9º F and dropped them from different heights and at various speeds in a guided free fall onto flat, round, and narrow-edged steel anvils."
0º F??? I would think your helmet would never reach your 0º seeing as your head puts out 98º of heat. They always say that your head is where you lose the most heat, and your helmet tends to retain heat, so I would assume it would never drop that low. Think about it, when was the last time your helmet got iced up?
If something is chilled to 0º than it is more likely to break. Warmer plastic is going to bend a little bit more and be more flexible than plastic that has been chilled at sub-freezing temps. Also, they dont tell you how fast they dropped the helmet onto the "sharp steel anvil" Thats a key factor. I thnk your helmet is fine, Boeri's are known to be good helmets, and trust me, if you ski at 40mph into a tree a helmet isnt really gonna save you anyway.
edit: Two years ago when I got a new helmet I decided to try and destroy my old one, a boeri, to try and freak out my mom and tell her that I hit a tree or something. I was honestly amazed at how hard it was to break the plastic shell. I was throwing it out of trees, from the tops of staircase, used hammers, and eventually got it broken, but still, it held up to a heck of a lot of abuse before it gave in.
I think it is probably a pretty valid test and the first I have heard with temperature considered. Although as dipstik says your head puts out lots of heat the polystyrene impact material is a very effective insulator. Think cheap foam cooler full of beer and ice on a smoking hot day. So the outer shell of the helmet will not get much heat from the head especially with wind speed in the cold.
I believe Boeri is one of only three makes that meets the more stringent ANSI tests. Most helmets are not designed to protect for multiple hits but rather save your ass (head) for one big hit. Although the helmet splitting is not ideal the real question is how well did it absorb and dissipate impact to protect the head for that hit.
The tests are done with very high impact on very focused areas. If you're taking multiple big hits to the head in a ski crash then there's probably a lot more going on then the rest of you is going to survive.
Any protection is better then no protection.
But it seems a little hokey to me. Just like L7 said I doubt your helmet would reach 0 even on the coldest of days. Now even the lower end models are vented to some degree so that would provide a flow of heat through the layers of the helmet. If you bash a helmet in the same spot multiple times of course it's going to break...DUH!
Just watch out for narrow edged steel anvils and you'll probably be fine.
Your telling me Beaver I have to dodge 3 or 4 per run.:rolleyes:
Easy for you to say...those bastards follow me everywhere.Quote:
Originally posted by Beaver
Just watch out for narrow edged steel anvils and you'll probably be fine.
That blue Boeri helmet saved my friends life last year. He was at Tucker Mtn. and took a wrong turn into a rock garden at full speed. He landed face first on a rock so hard that the "Boeri" logo on the front of the helmet was plastered to the rock. 3 broken ribs, a lacerated liver, 1 collapsed lung, and a broken nose/cheek bone. He shouldn't have lived, but that helmet really saved his life.
The liner of the helmet will stay warm from the heat given off by your head, but I wouldn't be surprised at all that the plastic part gets very cold. Maybe not 0 degrees F, but cold.
I'm glad to see my helmet, the Giro Nine.9, came out tops!
http://www.consumerreports.org/main/...=1069623101813