In theory karts shouldn't flip/roll given their low centre of gravity. However, in a collision the idea behind the RULE is that a FLAT surface dissolves/halts the impact this preventing it going any further, hence FLAT FRONT FAIRING AND FLAT BACK BUMPER.
Cadet Class Rule A1.3.6. Front fairing. Must conform to MSA Yearbook regulations with a centrally located VERTICAL front surface, minimum of 250mm x 70mm, or be an approved design specifically permitted by the MSA. Am I being thick, but why make a ruling that contradicts itself? In reality this means there is no rule as to the shape of the fairing if the MSA allow this blatant flout of their own ruling. Karts will flip/roll given a ramp/launch pad, hence the change many years ago to the rear bumper to prevent karts riding over back wheels and being launched into the air, if anyone has watched Formula Ford racing you will have noticed how prone they are to this style of accident. We are saying that more karts are now crashing in this style. ie flip/roll than ever before - Question why? Answer they are being given a launch pad to take off on, unfortunately containing a child. Added with the huge difference in sizes of children from age 8 to 13, many karts are also carrying large quantities of lead to make the weight, you can imagine how much damage to a child this weight landing on them could cause.
If the problem IS that ONLY when damaged these nose cones become a danger, then the Scrutineers should be checking/stamping them in the same way as they do tyres pre race and only allowing intact cones through scrutineering, as well as observing during racing as they do chain guards etc.
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