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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Alton generators
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<blockquote data-quote="Tom Gaynor" data-source="post: 22993" data-attributes="member: 4034"><p>One is advised (or at least I was, you evidently weren't) that if one didn't disconnect an Alton overnight, it would slowly drain the battery. Or move the Earth off its axis. I forget. This perhaps has something to do with it being a permanent magnet device. Or perhaps not. Damned if I know. Anyway, I fitted an ignition switch, under the battery platform, where even I have difficulty reaching it. And the earth remains "on axis", so far as I can tell. When I forget to disconnect, which is often, it doesn't seem to make an hellacious difference, and with an electric starter, I'd notice. Maybe after a week it has a significant effect. </p><p>I was encouraged by your finding that rewiring had unexpected results: I found that too. For reasons I don't <em>fully</em> comprehend, when I switch "the ignition" off, the starter won't work. Which is OK: I deemed it a security device, and left it. (It would be fair to say that I don't even <em>partially</em> comprehend it, despite poring over the wiring diagram.) </p><p></p><p>I have concluded that the ammeter approximates to what is happening: it would be unwise to rely on the actual charge / discharge it is showing. It's qualitative, not quantitative. (I've waited decades to get that into print.) 8 amps just means it is working hard to restore the battery, not that it will boil it in 5 minutes. Hadn't tried riding with ignition off (I too have a magneto) but I will, soon.</p><p>Sounds as though I've had my question answered.</p></blockquote><p></p>
[QUOTE="Tom Gaynor, post: 22993, member: 4034"] One is advised (or at least I was, you evidently weren't) that if one didn't disconnect an Alton overnight, it would slowly drain the battery. Or move the Earth off its axis. I forget. This perhaps has something to do with it being a permanent magnet device. Or perhaps not. Damned if I know. Anyway, I fitted an ignition switch, under the battery platform, where even I have difficulty reaching it. And the earth remains "on axis", so far as I can tell. When I forget to disconnect, which is often, it doesn't seem to make an hellacious difference, and with an electric starter, I'd notice. Maybe after a week it has a significant effect. I was encouraged by your finding that rewiring had unexpected results: I found that too. For reasons I don't [I]fully[/I] comprehend, when I switch "the ignition" off, the starter won't work. Which is OK: I deemed it a security device, and left it. (It would be fair to say that I don't even [I]partially[/I] comprehend it, despite poring over the wiring diagram.) I have concluded that the ammeter approximates to what is happening: it would be unwise to rely on the actual charge / discharge it is showing. It's qualitative, not quantitative. (I've waited decades to get that into print.) 8 amps just means it is working hard to restore the battery, not that it will boil it in 5 minutes. Hadn't tried riding with ignition off (I too have a magneto) but I will, soon. Sounds as though I've had my question answered. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Alton generators
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