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    BMC V4C kit motor wheel noise!

    In late February of this year I took delivery of a BMC V4C kit from Ilia Brouk of [ ebikessf.com ]. The kit is awesome in use at [ 48V and 20A ] but lately a noise has developed. After testing on different platforms the source of said noise is definitely the motor wheel itself. The noise is a...
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    BMC V4C geared hub motor test ride.

    Took delivery recently of a kit based on the new BMC V4C geared hub motor. A 26" rear wheel build to be run at 48V and 20A. Purchased from Ilia Brouk of [ Ebikes SF ]. Initially, the kit was to make use of a Lyen 12FET sensored controller but as it turned out there were problems. Controller...
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    Diodes and charging question…

    With my newest e-bike almost complete I've decided to order a couple of batteries from Li Ping plus some diodes. I intend to go the diodes route in parallel connecting two 48V 20Ah packs. And with this in mind I asked Li Ping about the involved wiring and whether the packs could be charged...
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    Watts happening?

    Today I observed an interesting phenomenon that I'm hoping the more experienced and knowledgeable folks on this board can, and will, explain. Firstly... I have an e-bike that consists of a Trek Navigator as seen here...
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    Throttle wiring questions...

    I recently purchased a Bafang BPM 48V500W Rear motor kit. Inclusive of the thumb throttle seen here… http://www.bmsbattery.com/ebike-parts/54-thumb-level-throttle-with-battery-meter-and-a-switch.html And as you might guess the actual unit wiring differs from the stated specs which are as...
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    Parallel connecting nonidentical batteries.

    Need some help. I bought an eZee kit recently. The included battery is a 48V10Ah LiMn as seen here… http://ebikes.ca/store/photos/48V10_Upgrade.jpg I also have a 48V20Ah Li-Ion NiCoMn battery as seen here…...
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