So were all the 'adjustable hook clamps' that were frantically purchased at the PFI test meeting 'homologated', when the old ones failed to secure the bumper sufficiently?
ScrUtineers have always requested that the clamp be retained by a cable tie to the top rail and the clamp is not allowed to be held closed by a cable tie around the clamp for 'safety reasons', never did get that one.
Once a clamp is loose, the square adjusting nut is able to vibrate loose and release the bottom hook onto the track where it can be 'loaded' into a hot sticky tyre and be catapulted skywards to make contact with God know what or who.
The design of the clamps varies enormously and this affect the pressure that can be exerted on them.
Some have a raised ride on the hook that greatly increases the strength of the hook.
Whereas the cheap ones will bend as soon as any great pull is exerted on it by the closing clamp.
Given very little thought, the bumper idea was never going to work properly or MOST importantly, fairly.
There were many examples of unfair penalties given out and as always with these things, the innocent get good and properly shafted.
In fact, if you're really devious, you can use it to your unsportsmanlike advantage.
The insidious creeping dry rot spores that have infected karting and ruined it, are still being fed by the totally wet approach to fair driving.
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