I'm still struggling to see why there is a need for dimensions. Lipo technology is different and fast evolving. As long as the pack complies to the maximum nominal voltage and safety specs why would you want to limit how big or small it can be? It should be up to the driver to make it fit the way he or she wants to in whatever car they choose to run.
I for one want the biggest possible packs I can get so I need fewer of them. You should only charge a lipo at 1C and so the bigger capacity packs allows for faster top ups in between races. I would also prefer to use my saddle packs from my B44 in my B4 so again, I need fewer packs. It would make it absolutely pointless if I am allowed to run a saddle pack in my B44 side by side and then when put together they suddenly don't fit the maximum dimensions. Why compare them to stick NIMH packs, lipo is different?
We've been running lipo's in the BRCA Micro Nationals for the whole of last season and continue to do so this year again and the only specifications are the maximum nominal voltage. It allows good freedom of choice and all budgets to participate in lipo technology and we've not had any problems anywhere.
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