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Unread 07-19-2019, 11:17 AM   #1
Getting Wild
 
Join Date: Jan 2019
Posts: 108
Default GX390 charging coil question

Question on why on the single coil only have a single wire and the two coil setup has two wires from each coil? I would have thought doubling up amperage you would have just used two single wire coils tied into one connector.

Thanks in advance for your help


Single wire
http://rover.ebay.com/rover/1/711-5....m=273781708996


Dual wire
http://rover.ebay.com/rover/1/711-5....m=173099734323
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Unread 07-19-2019, 03:46 PM   #2
Crazy Ole Man
 
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Yamaha
 
Join Date: Jan 2016
Location: Owego NY
Posts: 2,228
Default Re: GX390 charging coil question

Quote:
Originally Posted by chrisr32 View Post
Question on why on the single coil only have a single wire and the two coil setup has two wires from each coil? I would have thought doubling up amperage you would have just used two single wire coils tied into one connector.

Thanks in advance for your help


Single wire
http://rover.ebay.com/rover/1/711-5....m=273781708996


Dual wire
http://rover.ebay.com/rover/1/711-5....m=173099734323
Sorry but your links didn't take me anywhere. I looked up 390 charging coils on ebay and from what I see is either there a 10 amp charging system that uses a different rectifier with 2 coils -- or -- a lighting coil and charge coil.
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Unread 07-19-2019, 06:51 PM   #3
Getting Wild
 
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Default Re: GX390 charging coil question

Not sure why the links broke... Thank you for the feedback on the one wire vs. two wire coils.
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Unread 07-29-2019, 01:52 PM   #4
Crazy Ole Man
 
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Location: Owego NY
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Default Re: GX390 charging coil question

I was thinking about rewinding a pair of 3 amp frames with 16 gauge enamel coated wire. Stripe off the fine wire to start. One thing about 1 and 3 amp coils is they're grounded, one wire on the frame and only have one wire out. I will use 2 wires - 16 ga copper parallel wound so there's a connection on each end of the coil. This way I'll have a 2 wire charge coil. If you wire 2 coils in parallel to each other and use a full wave rectifier -- it will produce about 10 amps like the store bought ones.
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Unread 07-29-2019, 02:38 PM   #5
Crazy Ole Man
 
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Location: Owego NY
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Default Re: GX390 charging coil question

Here's a few pictures of my 18 amp charge system on my Toy. Except for the rectifier -- all parts are Genuine Honda purchased at Boats.net. They are much safer then after market flywheels. All the bolts and brackets are Honda and I can say there special made to stay tight. You want that under the flywheel. This is compact and really cleans up the engine bay. It requires HP weather your spinning this or a generator -- this uses less HP then a belt driven generator
Attached Images
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File Type: jpg G2 Mini Truck 050.jpg (231.7 KB, 0 views)
File Type: jpg G2 Mini Truck 052.jpg (232.3 KB, 0 views)
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