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Re: 6 volt systems

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RAB

12-11-2003 12:47:59

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Like said below, nothing wrong with a 6 volt system - except they were superceded many years ago by 12 volt ones. That said, the 6V systems worked OK for years before that. So why do so many people have trouble these days? I think it is because the modern supplies are computer designed for minimum manufacturing cost (and often maximum replacement cost!) or at least maximum profit. Battery leads - buy, or make, thicker ones with high quality connectors as the 6V system cannot 'lose' as many volts through high resistance joints without noticing slow cranking.
The battery - the old ones, as fitted originally, were lower-tech than the modern equivalent. They had heavier plates and were less efficient, but would stand deep discharge and over-charge with much more tolerance than a modern battery. So your charging system has to be spot on, to avoid battery problems. Under-voltage charging will lead to sulphated plates in next to no time and over charging is likely to distort the plates easier in the modern compact battery.
I remember the days when battery top-up was a regular maintenance job, batteries could run park lights on cars all night long and still crank on a frosty morning (and there was a starting handle if it didn't!).
Regards, RAB

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