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  1. zooz

    Go kart build: motor shaft types, chain and sprockets

    Hello, I am starting a new EV project, which is to build a rather powerful go kart. I have started looking for a 20kW+ BLDC motor, I am leaning towards Revolt RV-160pro. However, I need your help to determine what sort of motor shaft type I should go for? Revolt can make a custom motor shaft...
  2. zooz

    Wobbly wheel issue with my HS3540

    Hi folks, I have ridden my Crystalyte HS3540 for over 4000km without a problem, but recently I noticed some movement in my rear wheel at its axle. It feels wobbly, especially when riding slowly. The wheel seems to move side to side a little. So I changed the bearings of my hub motor, but the...
  3. zooz

    Can somebody replace bearings for my HS3540 in the UK?

    Hi people, Just recently, after 4k kilometres I noticed that my read hub motor is a little wobbly at low speeds. Initially I thought it was my rear tire, but it turned out to be the bearings. I am just wondering whether somebody could repair my rear motor and replace bearings? I live in...
  4. zooz

    Help understand Phase Current and Rated Current

    Recently I installed a new 12 FET 4110 Mark II Extreme Modder Sensorless LYEN Edition Controller. I've got HS3540 rear motor. Lyen controller is great, but what I do not understand are those below: * Phase Current - was set to 100 by default * Rated Current - was set to 30 by default...
  5. zooz

    Can Lipo balancing wires be paralleled? (diagram incl.)

    Hi people, I am a bit confused over Lipo balancing leads wiring. I tried to find a clear explanation whether balance wires can be paralleled or not, but couldn't find any good explanation. Some people say, that balance wires can stay in parallel, but must be disconnected if connecting packs in...
  6. zooz

    Max voltage for Crystalyte 36-48V 40A controller?

    Hi people, I have got a Crystalyte 36-48V 40A 12FET controller which is currently connected to a 12s Lipo pack. I wonder if it was possible to give it a 16s Lipo pack? Is that too risky or my controller simply won't work? Thanks. -- zooz
  7. zooz

    Battery pack made of clear acrylic (pics)

    Hi guys, Just wanted to share some pictures of my new battery box made of clear acrylic. I believe sheets are 3mm thick. I used Tensol-12 cement for glueing the acrylic, works very well. It is pretty easy to build, which is a pretty solid battery box. I might wrap it in some carbon fibre vinyl...
  8. zooz

    USB Charging Port

    Hi All, Today I did my first 12 miles trip to work in London on my newest ebike build, feels great. :-) I had an Android phone mounted on my bike using GPS and route tracking, which uses a lot of power and drains my phone battery pretty quickly. So I was just wondering if I any of you had the...
  9. zooz

    Cycle Analyst Max Amp issue

    Hi People, Recently I purchased a crystalyte 48V 40A controller and a cycle analyst direct-plug-in from ebikes.ca. Everything is nicely done and was easy to wire up. I have never owned a CA before, neither I used one, so please excuse me if I am talking non-sense. The issue I have is that when...
  10. zooz

    Mongoose Rockadile ALX Ebike

    Hi People, Finally I finished my second e-bike project. I am pretty new to this, but I am fascinated with e-biking, so that lead me to build another e-bike for myself. Spec Bike: Mongoose Rockadile ALX 2010 with hydraulic disc brakes Tires: 26" City Jet slicks Hub motor: Crystalyte HS3540...
  11. zooz

    Crystalyte Controller Configuration

    Hi ES geeks, I plan to buy the new (not sure how new is new nowadays) Crystalyte 48-72V 45A controllers, but was wondering how it can be configured to run on 48V let's say? I know they also sell those APM displays which are way too expensive, but they can be used to control the controller. Is...
  12. zooz

    Advice needed for my new project

    Hi All, I appreciate your time reading and responding to this thread. So, I have had a 350W BPM motor with 450W controller for some time now on my Mongoose Rockadile ALX mountain bike, it's been running okay considering my weight (I am pretty tall and big). It pushes me around London without...
  13. zooz

    Can my hub motor and battery handle this?

    Hi people, I have a kit from BMSBattery - http://www.bmsbattery.com/ebike-kits/345-bafang-350watts500watts-bpm-motor-e-bike-kit.html . It is 36V 350W Bafang BPM front drive hub motor with 450W KU93 controller and a 36V11Ah LiFePO4 battery pack -...
  14. zooz

    Thumb throttle wiring - HELP needed

    HI All, I bought a kit - http://www.bmsbattery.com/ebike-kits/345-bafang-350watts500watts-bpm-motor-e-bike-kit.html from BMSBattery, which came with a thumb throttle. The kit didn't have any wiring instructions or anything. I managed to figure out pretty much everything apart the battery level...
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