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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Electrical question
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<blockquote data-quote="greg brillus" data-source="post: 35234" data-attributes="member: 597"><p>I'm sure someone will correct me on this, but i think an Alton is a permanent magnet type alternator similar to a kubota one. Which explains why they have good "compression" when rotated over. We bench tested a Kubota alternator a couple of years back using different regulators to see which worked best. What we found was that because the alternator is a "constant output" device meaning that it's field strength cannot be altered due to it being a permanent magnet design, this means that it's output is far greater than what the bikes electrical systems including charging the battery can handle. So the regulator needs to be able to "absorb" this energy and trasfer it into heat. On the test bench some regulators could handle this very well, whereas others would suffer a near nuclear meltdown, only after 10 to 15 minutes on the test rig.....so you can see that not all modern reg's will be entirely suited to this kind of alternator....and as i have said before, remember to "Never" connect the possitive and negative wires on modern regulators around the wrong way, even for a split second....or else you will be out buying a new one..!!! cheers for now....Greg.</p></blockquote><p></p>
[QUOTE="greg brillus, post: 35234, member: 597"] I'm sure someone will correct me on this, but i think an Alton is a permanent magnet type alternator similar to a kubota one. Which explains why they have good "compression" when rotated over. We bench tested a Kubota alternator a couple of years back using different regulators to see which worked best. What we found was that because the alternator is a "constant output" device meaning that it's field strength cannot be altered due to it being a permanent magnet design, this means that it's output is far greater than what the bikes electrical systems including charging the battery can handle. So the regulator needs to be able to "absorb" this energy and trasfer it into heat. On the test bench some regulators could handle this very well, whereas others would suffer a near nuclear meltdown, only after 10 to 15 minutes on the test rig.....so you can see that not all modern reg's will be entirely suited to this kind of alternator....and as i have said before, remember to "Never" connect the possitive and negative wires on modern regulators around the wrong way, even for a split second....or else you will be out buying a new one..!!! cheers for now....Greg. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Electrical question
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