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  1. R

    BBS02 vibrating under load?

    I've got about 100 miles on a 36V/500W BBS02 (from EM3EV) so far, entirely road riding. It's on an old, non-suspended mountain bike (26 inch wheels), with a bling ring and 11-36 8 speed rear cassette. I'm also using a SRAM DualDrive three speed hub, running in the middle position (1:1) almost...
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    500 watt controller on BBS01 motor?

    I've got an old (2 years) BBS01 motor which originally came with a 36V/350W controller. About six months ago, I installed a BBS02 36V/500W controller (25 A vs 18 A) as an experiment. Seems to be running OK, and not getting hot. Any reason I shouldn't continue to run it this way? Other than...
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    36/500 or 48/750?

    I've had a 36v Bafang BBS01 for a couple years now. Started as a 350w, but upgraded to a new 500w controller this summer. Its currently on my LWB recumbent, and works well. Thinking about getting a second unit for my regular bike (on which my current unit once resided), but can't decide...
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    Bafang BBS0x controller programming

    Early on, there was speculation that the user would eventually have the ability to program the controller on these drives (for example, setting the current or power levels for the PAS settings, or setting up the throttle characteristics). But to my knowledge, only vendors have this ability...
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    Current shunt connectors

    I purchased one of these e-bike computers recently: http://www.batt-man.com/batt-man-dashboard It came with a shunt with bare wires that I need to splice into my battery connection. Debating between using 4 mm bullet connectors or 2 pin trailer plugs like this...
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    Which is more efficient, 36V or 48V?

    I know that if power remains constant, the higher voltage will be more efficient, since there would be lower amps, and therefore lower I^2R loss. However, in the real world, it seems like high voltage = higher speed = higher power = less efficiency. I'm planning to put a Bafang BBS0X crank...
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    Frame mount battery packs: Lectric Cycles vs. Cell Man

    I have one of these snazzy frame mount 36 volt battery packs that I purchased from Lectric Cycles, along with a Bafang BBS01 350W/36V motor kit: http://lectriccycles.com/products/36v-downtube-mounted-battery I'm contemplating purchasing another battery pack, in order to increase my range. I...
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    Recumbent Conversion

    Two weeks out from my first conversion (Bafang BBS01 350W/36V on a non suspended mountain bike) and I'm already thinking about my second. This must be a disease. Anyway, I've got a Ryan Recumbent (LWB, USS) that I'd like to set up for long distance (as in 100 miles per day) self contained...
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    Critique my commute bike plan, if you please.

    Hello - first post here. Yes, I updated my profile to reflect location (near Seattle) :wink: Below is my background and planned build - please fire away. Me: I'm 47 years old and 205 lbs, although fairly fit, having been bike commuting to work 2 or 3 times per week (8 miles each way) for...
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