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    Bafang MID engine M300 tuning

    Hi, I'm considering buying a EU bike with a bafang M300. Anybody got any experience with tuning it from 25 km/h speed tot +- 40 km/h? For bafang mid engines I can find 2 types of equipment to tune the bike: - USB cable - Speedbox for bafang I'm not sure if any of these 2 will work on the M300...
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    On off switch battery

    Thanks! I just orderd this one (the 30A version): https://www.aliexpress.com/item/mini-size-thermal-overload-protector-3A-5A-7A-8A-10A-15A-20A-25A-overload-switch-with/1410684560.html
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    On off switch battery

    I want to install an on off switch on my bike. I have a 48v 9ah battery 30c. Will this switch work? https://www.aliexpress.com/item/204-waterproof-in-line-switch-CE-cord-switch-IP65-round-wire-ZJXXDZ/32651826048.html
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    Calculating/estimating top speed

    Thanks very much. Great explanation!
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    Calculating/estimating top speed

    Hi I'm thinking about buying a bike with a Bofeili crank drive and a 36V 8,8 Ah battery (bottle with samsung cells). How do I calculate/estimate the top speed without pedalling, light pedalling and heavy pedalling? Wheel size is 26 inch and I weigh 78 kg / 171 pounds. The supplier tells me it...
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    Ebike ride to windturbines

    Today I rode my bike to go see 3 windturbines that have just been build a couple of miles from my home. Here are some pictures of the ride:
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    Endless-sphere ebikers map

    WHOOPS, such a map allready exists ... this topic can be closed
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    Tire pressure! At what psi are you cruising?

    I've had a flat recently ... I had myself to blame because I did not put any rim tape on my rims to protect the tube. Today I fixed my flat and put some rim tape on my rim. When inflating my tire I was wondering what the best PSI is to have a smooth and efficient ride. I saw that my tire can...
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    Ping battery with 9 FET 72V Lyen controller

    Thx a lot for this tip, I did not know about this mod. Cheap and easy solutoin :D. I will start with a little solder and will take it from there.
  10. D

    Ping battery with 9 FET 72V Lyen controller

    I've been riding my ebike for a while now, I have a Ping 48V 15AH battery and a Ampedbikes kit (9C direct drive kit). I'm loving my bike but the acceleration is kinda slow. I noticed on my watt meter the Ampedbikes controller allmost never pulls more then 15 amps. To get better acceleration...
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    Bike lights running on battery

    Thanks for the tip, just bought one.
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    Bike lights running on battery

    OK, I've checked. Both my light and my DC DC converter are dead. :cry: Time to buy a new converter and light. Anybody know a good 12V light voor an affordable price?
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    Bike lights running on battery

    I made my bike lights run on my ping battery. I put a lyen voltage converter in paralel with my battery to go from 48V to 10V. It was working, my lights shined but it was only for 60 seconds, then they died and I couldn't manage to bring them to life again. Now I'm wondering what could have...
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    Davy1010's Highlander build

    I've been building my ebike for a while now. It's not complete yet but yesterday it was ready for a test drive. Here is a video of my test drive from yesterday, filmed with the HD 808 #11 keychain camera in 720p (45 dollar on ebay): http://www.vimeo.com/25667476 Here is a log of my build, I'll...
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    Fiberglass battery case

    Hey carv'n marv'n, I was looking at your avatar ... looks like a nice build. What is the general idea behind it and do you have more pictures? Top notch fiberglassing!
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    Fiberglass battery case

    A new update (1/05/2011) see first post. Guys, I need to find a solution for the places where I sanded into the cloth, I think this will be visible when I paint it like it is now. Any ideas? Maybe I'll do some filler on it but then my box will not be straight anymore, there will be a little...
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    Wire diagram

    I want the fan to be on all the time, the on off switch is meant for the light only. I thought if I put them in parralel this would work, how should I wire it then?
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    Wire diagram

    Thanks a lot for your adivce, I've been looking into it and I believe this is how the diagram should look like with the resistor. I'm wondering, will the little on/off switch before the resistor not be affected by some sort of spark? I've calculated that I will need a 400 ohms 2 watts resistor...
  19. D

    Wire diagram

    For my build I've figured out the wire diagram below, I'm an electrical newbie so I'm not sure if this will work / will not short my battery... If you guys could give me your feedback, that would be great. The battery kill switch is meant to switch of the whole system, the on/off switch is...
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    Fiberglass battery case

    I'm not sure how much it weighs but its very light I can tell you that. I will weigh it next time I have time to work on it and will let you know. I think your wooden box will be heavier but I do like the fact that wood is a natural material and my box really isn't environmental friendly. I...
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    Fiberglass battery case

    I'm thinking about changing my original design ... I like how the box looks and I don't want to cut holes in it so I've bought a 6 cm cooling fan from dealextreme for 2.30 $, which I'm going to fix onto the controller. http://www.dealextreme.com/p/pc-chassis-cooling-fan-6cm-5198 I will hook the...
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    Fiberglass battery case

    Another update (13/03/2011) see first post
  23. D

    Fiberglass battery case

    Another update (06/03/2011) see first post
  24. D

    Maxxis Hookworm tire clearance

    Thanks, what about the height?
  25. D

    Maxxis Hookworm tire clearance

    I'm riding a bike with v-brakes, can someone who owns maxxis hookworms 2.5 tires tell me how much tire clearance I need width and height (inches or cm)? So I can check if it will fit. Thanks
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