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Mystery motor

Old 07-26-13, 11:47 AM
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Elad63
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Mystery motor

Just received this tandem, never dealt with electric assist before. What do I have, make and model. It has 3 12v batteries. Don't know much it.
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Old 07-26-13, 06:33 PM
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How many wires going into it (2 is brushed, 3 or 8 is brushless)? That is a clue.
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Old 07-26-13, 07:13 PM
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2 wires I believe, will check in the morning. I had the tandem up to 26 mph, didn't think electric bikes could go that fast. It was starting to make a strange noise so I turned it off and pedaled home. It was making a noise that could be described as metal brushing metal. Could it be that it needs to be lubed, I don't see no ports for lube to be added. This is all new to me. I welcome any help, suggestions or random insights.
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Old 07-27-13, 05:36 AM
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I was wrong, it has 5 wires coming off motor. Rode it 10 miles all electric assist, no pedaling averaged 17 mph. No noise coming from hub this time.
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Old 07-27-13, 09:00 AM
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5 wires should be the Hall connectors. There should be an additional 3 phase wires, for a typical brushless hub motor. It looks something like a Crystalyte 40x series, or an Aotema, in general appearance.
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Old 07-27-13, 10:56 AM
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Thx, will check both designs out to see if its either of them.
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