Keep it simple. That way everybody enjoys it.
I scrutineered the nationals at wrxm for 4-5 years and if you go with the brca rules then you start introducing costs some young drivers may not be able to afford. I,ve had to fail a car for not having the headlights painted, the rear wing being 1mm over the roof hight or the chord being just over 40mm.
The only rule you need if people are charging lipo,s make sure they do it in a bag. Enjoy racing whatever you bring within reason.
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