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12volt electrics
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<blockquote data-quote="john998" data-source="post: 110984" data-attributes="member: 289"><p>Hello, Like TT my Miller with a Ken Bell regulator eventually need a handful of revs to kick in. </p><p>This was a 6V unit with an unmodified field coil and armature. The replacement 12V DVR2 regulator works fine, all lights are LED and magneto ignition, head light always on. I should say I replaced this dynamo on converting to the DVR2. </p><p>On testing the dynamo that I removed on the lathe, geared up via Vee belts it displayed </p><p>the same characteristics ie it needed lots of revs to kick in. After a strip and clean including the commutator it now self excites at lower revs and balances a 40W load at lower RPM than the Chinamo on the same test. </p><p>The Chinamo on the outfit, all LED but coil ignition, tried with an AO regulator would not balance the load below 55 MPH. The replacement Chinese copy of the Lucas regulator appears to balance the load much earlier. </p><p>The regulator on the outfit was a JG in use for many years, only replaced as it was positive earth. This makes conversion to LED difficult. John.</p></blockquote><p></p>
[QUOTE="john998, post: 110984, member: 289"] Hello, Like TT my Miller with a Ken Bell regulator eventually need a handful of revs to kick in. This was a 6V unit with an unmodified field coil and armature. The replacement 12V DVR2 regulator works fine, all lights are LED and magneto ignition, head light always on. I should say I replaced this dynamo on converting to the DVR2. On testing the dynamo that I removed on the lathe, geared up via Vee belts it displayed the same characteristics ie it needed lots of revs to kick in. After a strip and clean including the commutator it now self excites at lower revs and balances a 40W load at lower RPM than the Chinamo on the same test. The Chinamo on the outfit, all LED but coil ignition, tried with an AO regulator would not balance the load below 55 MPH. The replacement Chinese copy of the Lucas regulator appears to balance the load much earlier. The regulator on the outfit was a JG in use for many years, only replaced as it was positive earth. This makes conversion to LED difficult. John. [/QUOTE]
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