Question came up on the derby over 40 facebooks group. Are S1 helmets rated for more than one big impact? The player has has 3 and was wondering and there are lots of yes they are and no they are nots. So which is it?
Answer from S1 Helmet Co.:
Can you define big impact?
S1 Lifer Helmets are rated /tested to take:
3 multiple 10 mph impacts in the same spot (10m mph or 4 foot drop height)
1 14 mph impact to the same spot ( 14 mph or 6.5 ft drop height)
4 14 mph impacts in different spots (14 mph or 6.5 ft drop height)
When should I replace my S1 Lifer Helmet?
If your helmet takes a hit...
Look for visible signs of wear or damage.
1) Stress fractures in the foam. If you see splintering fracture lines in the foam the helmet has been compromised.
2) Compression zones. If you can see where you the helmet hit and if there is a noticeable soft area that you can feel with when pressing your fingers into it.
3) Cracks in the foam. If the foam has literally cracked straight through and is separating from the plastic outer shell the helmet will not absorb impact in that area and should be replaced.
S1 Lifer Helmets are rated /tested to take:
3 multiple low impacts in the same spot (10 mph impacts to the same spot)
1 high impact to the same spot (14 mph impact)
4 high impacts in different spots (14 mph impact)
If your slam is equal to a 14 mph impact (which is a 6.5 foot drop height on a headform ) we highly recommend that you get a new helmet because your helmet has been compromised in that area of impact and won't protect your head in that area. Your brain is too valuable to risk it!
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