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  1. L

    bms woes

    Hi Folks, I purchased a supower bms on ebay and im having some trouble with it. I wired it in as per the instructions but it has let the special smoke out of #7 resistor. This is the connection between the two 6s packs i think. This is why i dont have a bms yet after two years of ebiking, every...
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    bestech d131 24s question

    hi folks, Ive heard somewhere that you can use a bms with less cells than its designed for. I have a 24s bms but would like to use it for 14s. Is this possible and how do i go about it? Thanks Matt
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    Mac sanyo dynamotor code stamp

    Hi all, I have a sanyo dynamotor geared hub. It was given to me a while back and set aside in the workshop for future use. I dragged it out today and had a look. It has a code stamped on it - MAC074933. I have tried googling the numbers however nothing comes up. Does anyone know what these...
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    switched from 20" > 24" wheels

    What A SLUG!!!! 20" wheels for street 24" rear wheel for offroad I switched from 20" wheels to 24" rear wheel and what a slug! lost all that torque ad acceleration. Honestly guys I dont know how anyone runs 24" with a 1k motor. I weigh 63kg and the 24 struggles to maintain speed on stupidly...
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    Bestech d131 instruction?

    Re title, does anyone have a copy of the d131 bms instruction manual if there is such a thing? Thanks
  6. L

    Fitting a speed cable to cycle analyst

    Hi folks, has anyone fitted a speed cable to a ca. I have ordered a speed cable as I run a cadp on a sensorless motor. Is there any instructions with the cable or do I have to wing it? Thanks in advance. Matt.
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    Latest project hardtail, 20" wheels, fat tyres

    Hi folks, Here is my latest build, nearly complete. My first ebike was a 26" mtb with a 1kw rr hub, 6 fet controller and 44v of old lipos. It was fast enough (around 30mph) and comfortable enough but the acceleration was very poor. My second ebike was a bmx with a 1kw rr hub, 12 fet controller...
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    Cogging at mid throttle

    Hi Folks, I was having hall issues with my motor so decided to upgrade from the 6fet china controller to a lyen 12fet sensorless controller. I doubled the phase wires, got rid of the halls and wired it all back up. I was expecting a little cogging at low speeds but there isn't any, A little way...
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    Electric BMX

    Hi Folks, Been working on this project for the last few weeks. A friend of mine built the wheel as I couldn't find a cross laced 20" motor and rim. Cut down the spacers to fit 110mm dropouts. Then threw on the speedo and a back brake with some doc torque arms. First pull away on carpet in the...
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    Any Electric BMX's on the sphere?

    Hi Folks, Have searched and got "No suitable matches were found" on here. Google brings up a few here and there. I am putting one together and was looking for inspiration. Are there any on the sphere? Thanks. Matt.
  11. L

    10k thermistor how to?

    Hi folks. I bought a 10k ntc thermistor from ebay. How do I go about hooking it up and get a reading from it. I understand you can use a cycle analyst to power and display it but that cant be the only way. Is there a panel display or egadjet I can use instead. Hoping not to have to buy a £100...
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    Hit an animal last night!

    Hi folks, I had the scare of my life last night. I was riding down an old railway line on my way home from a mates. Its paved, fairly narrow and pitch black. My small front light wasn't really cutting it. I hear a rustling in the bushes on the left, saw a flash of white or grey then my front...
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    bought second hand ebike need info

    Hello folks of ES. I have been lurking for a while now.. I have recently purchased a Schauff step through/shopper type bike second hand. The lady I bought it from knew very little about it. So far I have deduced that it has a brushed motor, very basic speedo (on/off) and nimh/lead battery. I...
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