A tip from a friend suggests if we can build in a metal bar over the track in key places (like a tubular or square steel bridge (like an 'n' shape bar concreted in) it will stop mini moto's and bikes taking the jumps and wreaking the track.
maybe we could disguise it as a mini 1/2 dunlop tyre, lol!
sounds like a good idea so thought i would share it.
Thanks
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