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Tech. Advice: Series 'A' 500cc/1000cc Bikes
Powerdynamo Mag-Dyno
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<blockquote data-quote="Chris Launders" data-source="post: 156391" data-attributes="member: 2010"><p>If you have a decent dynamo you could do what I have done until I could afford a mag rebuild for my JAP V-twin. </p><p>Using a magdyno fitted with the early cam ring type end and a 50 degree cam ring I took the windings off a the armature, fitted a single slip ring, modified a pickup with an electric drill brush set up and ran a wire from the slip ring to the points. </p><p>I had a twin plug coil and condensor mounted up under the tank and for the wire from the coil to the mag pickup I used copper HT lead and obviously a switched feed to the coil.</p><p>This gave me coil ignition with a manual adv/ret and with the "live" wire and a dummy one from the unused pickup was indistinguishable from an actual working magdyno with the added bonus of a good spark at any revs.</p><p>To do a single would be much easier.</p></blockquote><p></p>
[QUOTE="Chris Launders, post: 156391, member: 2010"] If you have a decent dynamo you could do what I have done until I could afford a mag rebuild for my JAP V-twin. Using a magdyno fitted with the early cam ring type end and a 50 degree cam ring I took the windings off a the armature, fitted a single slip ring, modified a pickup with an electric drill brush set up and ran a wire from the slip ring to the points. I had a twin plug coil and condensor mounted up under the tank and for the wire from the coil to the mag pickup I used copper HT lead and obviously a switched feed to the coil. This gave me coil ignition with a manual adv/ret and with the "live" wire and a dummy one from the unused pickup was indistinguishable from an actual working magdyno with the added bonus of a good spark at any revs. To do a single would be much easier. [/QUOTE]
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Tech. Advice: Series 'A' 500cc/1000cc Bikes
Powerdynamo Mag-Dyno
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