Quote:
Originally Posted by DCM
I think that is a bit dodgy, you can't then make something illegel retrospectively, they were legal when homologated, you can't then make them illegal.
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Nothing is being
made illegal, it's just EFRA has voted to start enforcing the rules on cell dimensions. It never bothered with measuring them before as it wasn't deemed necessary, after all you would think the cell manufacturers would stick to the ISO standards. The national associations have decided to follow suit.
The rules that have always been in the rule books since the 70s state that a batterys dimensions must be a diameter of 23.0mm +0/-1mm, overall length 43mm +0/-1.5mm. These are international standards governing the size of sub-C cells and the battery manufacturers have been taking liberties regarding the size tolerances as the capacity has increased. If the cells already meet the international standards then they will be legal in the future, if they are too big (like IB4200s) they will be banned. Just try measuring some of your cells to see if they actually fit in the
current rules.
At least it would guarantee any batteries you buy in future will definitely fit in your chassis.