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Open Track Racing
Break my neck or Crush my skull?
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<blockquote data-quote="sprint200" data-source="post: 7725834" data-attributes="member: 48265"><p>+1</p><p></p><p>The physics of a crash are measured in fractions of seconds. Chromoly's plastic range is much smaller than mild steel (it doesn't bend as easy.........). What that means in a crash is that the time it takes for the overall mass of the vehicle to come to a complete stop is shorter with chromoly than it is with mild steel. Many thousandths of seconds are used deforming the mild steel as opposed to a more sudden failure of the stronger steel. That's energy dissipated on the cage instead of being transfered to your harness (and your body). Think of it like crumple zones in street cars or like the Indy and F1 cars designed to dissintegrate on impact thus shedding energy before reaching the driver.</p><p></p><p>What is good for the frame of a motocross bike is not necessarily good for a roll cage.......:beer:</p></blockquote><p></p>
[QUOTE="sprint200, post: 7725834, member: 48265"] +1 The physics of a crash are measured in fractions of seconds. Chromoly's plastic range is much smaller than mild steel (it doesn't bend as easy.........). What that means in a crash is that the time it takes for the overall mass of the vehicle to come to a complete stop is shorter with chromoly than it is with mild steel. Many thousandths of seconds are used deforming the mild steel as opposed to a more sudden failure of the stronger steel. That's energy dissipated on the cage instead of being transfered to your harness (and your body). Think of it like crumple zones in street cars or like the Indy and F1 cars designed to dissintegrate on impact thus shedding energy before reaching the driver. What is good for the frame of a motocross bike is not necessarily good for a roll cage.......:beer: [/QUOTE]
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Break my neck or Crush my skull?
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