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polarity change
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gerry snelling



Joined: 04 Jan 2009
Posts: 21

PostPosted: Fri Apr 20, 2012 12:46 pm    Post subject: polarity change Reply with quote

hi guys my armstrong is positive earth with a dynamo, im going to fit an electronic ignition, and need to change the polarity. ive done this before but cant remember how to flash the dynamo. any help will be appressiated. regards gerry snelling
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ukdave2002



Joined: 23 Nov 2007
Posts: 4100
Location: South Cheshire

PostPosted: Fri Apr 20, 2012 1:19 pm    Post subject: Reply with quote

Just flash the field winding, it polarizes the fixed magnets so that there is a charge when the dynamo first turns over.

Dave
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gerry snelling



Joined: 04 Jan 2009
Posts: 21

PostPosted: Fri Apr 20, 2012 2:06 pm    Post subject: polarity change Reply with quote

thanks dave, regards gerry snelling
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