Donno. I am really not into it. I am just happy to look cool going at 20mph from A to B lugging timber. But the physics of it applies to all cell types: small and light is better than big and heavy if both performs the same. In other words, small and tight Rotherhithe can be just as good, if not better, than big and loose Blackwall.They use dry cell batteries for racing, don’t they?
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