There are several helmet crash tests to test the durability. This article enlists helmet crash tests.
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Motorcycle Helmet Safety Requirements
There are various motorcycle helmet safety regulations, and understanding what they cover might be difficult. The safety rating of a helmet is the most significant criterion. Here are the main safety standards and what you should know about them:
M-95 / M2000 Snell Memorial Foundation
We do not require The Snell Foundation accreditation by law anywhere in the world. However, they go above and above the basic standards to extensively test helmets in numerous ways. They also do testing for bicycles, karting, and professional racing. The following are the safety aspects that they test for:
1. Impact Testing:
The impact test simulates different impact surfaces using controlled impacts. The goal is to determine the gravitational (G) force or acceleration. Professionals reject The helmet if the peak acceleration in any test exceeds a certain threshold.
2. Positional Stability (Roll-Off) Test:
A head form is positioned to point down at a 135-degree angle. After that, we put The helmet on the head form. The straps and buckles are adjusted to get the greatest fit. Moving further, we attach the Weight to a wire rope and drop it from a predetermined height. Now rotate The helmet at 180 degrees, and repeat the test. The helmet must move but not roll off the head to pass the test.
3. Dynamic Retention Test:
The helmet is put on a head form, and the chin strap is attached beneath a gadget representing the jaw. After that, we place a 23 kg weight on the jaw piece for around one minute. The retention system is put through its paces by removing the 23 kg weight and replacing it with a 38 kg mass in an abrupt guided fall. If the helmet doesn’t support the mechanical loads or the maximal instantaneous deflection (stretch) reaches 30 mm, the retention mechanism fails (1.18 inches).
4. Chin Bar Test:
Firstly, the tester fastens The test helmet to a base, and the chin bar is facing upward. Secondly, we drop a 5 kg weight to strike the center of the chin bar. Maximum downward deflection of the chin bar shall not exceed the specified distance.
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5. Shell Penetration Test:
Firstly, we fit a base to the test helmet. After that, we drop A 3-kg sharp-pointed item from a predetermined height. The striker in the test must not pierce the helmet or even make brief contact with the head from within the helmet.
6. Face Shield Penetration Test:
The face shield is also known as a visor. We mount it to a test helmet and fire thrice along the centerline using an air gun. The gun fires sharp, soft lead pellets at about 500 kph (310 mph). To pass the test, the shots must not breach the visor.
The D.O.T. (Department of Transportation FMVSS218)
FMVSS218 is the technical standard that establishes the minimum requirements that a helmet manufacturer in the United States must certify against. In general, we refer to it as the D.O.T. helmet standard certification. The Snell Memorial exams are remarkably similar to these. Nonetheless, the evaluated values vary depending on the criteria for impact, severity, and test equipment employed. As a result, passing the Snell certification is more difficult than passing the D.O.T. exam. Another thing to remember is that the manufacturer verifies their helmets in their labs. On the other hand, Snell tests and approves every helmet submitted to them by any manufacturer. Experts also use this test to deduce motorcycle helmet safety ratings.
22/05 European Standard
The European standard closely resembles the D.O.T. and Snell testing. Most of the numbers and tests differ somewhat, and it also includes a retention standard testing for slippage, abrasion, retention, and durability. The ECE 22/05 standard requires an additional test for helmet shell stiffness that Snell or D.O.T does not need.
BSI 6658-85 European Type A
Europe also has a double standard for measuring helmets, similar to the Snell testing method. Specific test passing levels deviate somewhat from the Snell norm. Nonetheless, several categories use the phrase “similar to the Snell M2005 test” as a reference. The B.S.I. tests include chin strap slippage, retention, and abrasion testing, also in the ECE 22/05 testing.
SHARP
SHARP is a testing and grading system exclusively available for helmets sold in the United Kingdom (United Kingdom / England). It assesses helmet impact protection using comparative testing to other standards and scores helmets using a star rating system rather than a pass/fail outcome. The rating range of these helmets is from one to five stars.
When Should You Replace Your Motorcycle Helmet?
A general agreement is that we need to update our helmets every five years, even if you haven’t had any direct impacts that might damage the helmet’s impact protection. This guideline comes mostly from helmet manufacturers and the Snell Memorial Foundation, which studied the effects of frequent helmet wear on the helmet.
As you continue to use your helmet, it will be exposed to various weather conditions, UV rays, dirt, and other factors, all of which will compromise its integrity. These elements degrade the resins and glues that keep your motorbike helmet together, making it less efficient at protecting you. Even if your helmet still looks good after a half-decade, you should still retire it.
There is no indication that a well-maintained, undamaged helmet would suddenly lose its ability after five years that we are aware of. Deterioration is a progressive process. However, we can slow it or accelerate it by various factors. To learn about top drag racing helmets, click here.
It’s difficult to understand why they chose a 5-year expiration time. There hasn’t been any definitive research done on this.
Despite this, the majority of manufacturers specify a 5-year expiration life for their items. Helmets must also be replaced every five years, according to Snell safety regulations.
Conclusion:
In conclusion, we can say that it is important to test the helmets. The above-mentioned are some helmet crash tests that you can perform on your helmet under professional supervision.
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