Short Article About Materials Used in Helmet Shell Production - Yamaha FJR Forum : Yamaha FJR Owners Forums
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post #1 of 6 (permalink) Old 02-07-2020, 10:47 AM Thread Starter
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Short Article About Materials Used in Helmet Shell Production



In any case, wearing any helmet is unquestionably better than not wearing one at all. The main three layers of the helmet that protect the rider’s head in case of an accident are hard outer shell, impact-absorbing Styrofoam liner, and inner, soft liner that provides snug fitment, moisture-wicking properties, and comfort.

The outer shell is designed to withstand the energy of impact without cracking and spreading it over the larger surface area to prevent puncturing. To learn about properties of such materials as composite fiberglass, carbon fiber, Aramid fiber, ABS plastics, Polycarbonate, Lexan and Advanced Thermoset Resin, please click on the link below and read the full article by our in-house tech specialist Michael Grayen.

What Material Choices Are There in Motorcycle Helmet Construction?

Some of the helmets featured in the article as examples:

NEXX Helmets® - X.G100R Motordrome Full Face Helmet - MOTORCYCLEiD.com


X-Lite® - X-803 Nuance Ultra Carbon Full Face Helmet - MOTORCYCLEiD.com


Cyber Helmets® - US-39 Solid Full Face Helmet - MOTORCYCLEiD.com


NEXX Helmets® - SX.60 Vintage2 Open Face Helmet - MOTORCYCLEiD.com


NEXX Helmets® - SX.60 Cruise Open Face Helmet - MOTORCYCLEiD.com


Click on the image to enter the product page for more information.
Click the button below to browse the full catalog of helmets at MOTORCYCLEiD.com


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post #2 of 6 (permalink) Old 02-07-2020, 01:52 PM
red
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Short Article About Materials Used in Helmet Shell Production

Those Vintage helmets look like they are covered with leather, or some similar material.

Is that what I am seeing there?

I would not want anything but hard and slick as the outside surface of my helmet.
In sliding contact, seems like anything that can hang up on the landscape could be a serious problem.
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Red
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post #3 of 6 (permalink) Old 02-10-2020, 04:16 AM Thread Starter
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Quote:
Originally Posted by red View Post
Those Vintage helmets look like they are covered with leather, or some similar material.

Is that what I am seeing there?

I would not want anything but hard and slick as the outside surface of my helmet.
In sliding contact, seems like anything that can hang up on the landscape could be a serious problem.
It would slide just as good as the jacket and pants, so I don't see a problem here.
Even thought the design is unique, safety and functionality always play the dominant role.
In order to ensure the rider's safety NEXX helmets are submitted to rigorous tests fulfilling the European quality standards (ECE 22-05), certified by the most respected laboratory (IBSR, Belgium) . They are also DOT and NBR-7471:2001 homologated.

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post #4 of 6 (permalink) Old 02-10-2020, 04:11 PM
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Short Article About Materials Used in Helmet Shell Production

Quote:
Originally Posted by red
Those Vintage helmets look like they are covered with leather, or some similar material.
Is that what I am seeing there?
I would not want anything but hard and slick as the outside surface of my helmet.
In sliding contact, seems like anything that can hang up on the landscape could be a serious problem.
Quote:
Originally Posted by MOTORCYCLEiD View Post
It would slide just as good as the jacket and pants, so I don't see a problem here.
Even thought the design is unique, safety and functionality always play the dominant role.
In order to ensure the rider's safety NEXX helmets are submitted to rigorous tests fulfilling the European quality standards (ECE 22-05), certified by the most respected laboratory (IBSR, Belgium) . They are also DOT and NBR-7471:2001 homologated.
MOTORCYCLEiD,

So, the Vintage helmets are covered by leather, or fabric?

Unless you have slid your helmet across the landscape for extended distances at high speeds, I would not expect your opinion to agree with mine. We can agree to disagree.

It is much easier to puncture leather/fabrics and hook on an object when that material has something hard to push the material, like a helmet. Loose materials like a jacket or pants can pull away from a sharp object by a "pulley" action, rather than piercing through. Hooking an arm or leg as you slide may not be fun, but hooking a helmet with a head strapped inside could have disastrous consequences. I doubt that ANY existing helmet standards are written to address helmets covered by leather or fabric. Prove me wrong, on that.

I see a leather or fabric covered helmet as a needless risk, with NO possible benefits. And just for the sake of looks?

I will pass, thanks.

Cheers,
Red
2008 FJR1300A
- Pirelli Angel GT (Spec A) tires, RDL seat, TPMS, GPS digital speedometer (Amazon ~US$28.00).
P.S. Life is too short, and health is too valuable, to ride on cheap parade-duty tires.
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post #5 of 6 (permalink) Old 02-10-2020, 05:41 PM
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Link to the actual article on Helmet Materials and Construction

There have been Helmet liner improvements since this article was written.
Koroyd Liner in place of EPS Foam

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post #6 of 6 (permalink) Old 02-10-2020, 06:32 PM
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Short Article About Materials Used in Helmet Shell Production

Quote:
Originally Posted by bigjohnsd View Post
Link to the actual article on Helmet Materials and Construction
There have been Helmet liner improvements since this article was written.
Koroyd Liner in place of EPS Foam
BigJohn,

There are several new helmet technologies out there, now. I really like the Koroyd. I believe that MIPS could be added to most existing helmets now. I'd really like to see a retro-fit kit, coming out from the MIPS crew.

Check these out (in no particular order) -

Koroyd
Fluid pads
6D
MIPS
KALI Fusion

Are there any other helmet improvements available?
.

Cheers,
Red
2008 FJR1300A
- Pirelli Angel GT (Spec A) tires, RDL seat, TPMS, GPS digital speedometer (Amazon ~US$28.00).
P.S. Life is too short, and health is too valuable, to ride on cheap parade-duty tires.
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