Linford
Guest
how has he done that thenactually forget it i cant be bothered
If the lid had not sustained any damage in the impact, you would have a point...
Helmet split and dented, jersey holed, arm gashed, groin strained, yes i've come off
- Thread starter Accy cyclist
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If the lid had not sustained any damage in the impact, you would have a point...
lordloveaduck
Well-Known Member
- Location
- Birmingham
Why would you wear a used helmet?
Rob3rt
Man or Moose!
- Location
- Manchester
Maybe he fell because of a momentary lapse in concentration caused by a suspiciously itchy bonce!
Do you ever post before engaging your brain ? I have done nothing of the sort.
roadrash
cycle chatterer
- Location
- sitting on the edge of wigan pier
unless he has exactly the same accident without a helmet (allbeit a used one he found)how can your statement be accurate
Octet
Veteran
Just thought I might add my view on the discussion, although I am not taking sides:
The helmet sustained enough force to fracture, suggesting that the force was sufficient to do damage. If the rider had not been wearing such a helmet then that same impact would have been against his skull. The forces required to do damage are different but none the less, it was prevented by the use of a helmet.
The only way to truly prove it saved him would be to have a force meter and accelerometer attached to the helmet at the time to measure the impact and then asses whether it would of done damage to the skull.
The helmet sustained enough force to fracture, suggesting that the force was sufficient to do damage. If the rider had not been wearing such a helmet then that same impact would have been against his skull. The forces required to do damage are different but none the less, it was prevented by the use of a helmet.
The only way to truly prove it saved him would be to have a force meter and accelerometer attached to the helmet at the time to measure the impact and then asses whether it would of done damage to the skull.
Rob3rt
Man or Moose!
- Location
- Manchester
Or..... with his head being about 2 inches less in diameter my not have contacted the ground at all!
roadrash
cycle chatterer
- Location
- sitting on the edge of wigan pier
incorrect he was wearing a hemet he found,not knowing if it has allready suffered any impact or not
black'n'yellow
Guest
I'm off to rummage around in next door's bins - gonna try and get me one of those Trax helmets....
Octet
Veteran
incorrect he was wearing a hemet he found,not knowing if it has allready suffered any impact or not
Yes, but assuming that it hadn't already been fractured then the helmet still sustained sufficient force to crack it.
You still cannot tell whether or not it saved his life because you have no measurements of the impact. Yes, the damaged helmet may not of withstood the full impact it could of done if it was new but it still reduced some.
Therefore the only thing that we can say about this case is that it reduced some of the force.
Rob3rt
Man or Moose!
- Location
- Manchester
Make sure you pick up some lice and tick shampoo too!
roadrash
cycle chatterer
- Location
- sitting on the edge of wigan pier
see rob3rts post above and assume nothing
Octet
Veteran
fossyant
Ride It Like You Stole It!
- Location
- South Manchester
Oh nooooo. Not another helmet debate.
Watch your shoulder heals up.
Watch your shoulder heals up.
roadrash
cycle chatterer
- Location
- sitting on the edge of wigan pier
you started the post with the words "yes but assuming it hadnt been fractured" i, on the other hand have assumed nothingTouche
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