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  1. benj

    Super 73 Scout - discussion

    Hi everyone, I saw this eBike today, and totally fell in love with the design of it - Super 73 Scout: I was so close to pressing the Buy button - but I live in the UK, so taxes and shipping made it $1600 .... yikes! I'd love to hear the opinions of the community here about this bike (I'd be...
  2. benj

    VESC data logging app for iOS

    Hi folks, I finally cracked it (thanks to Jacobbloy and Vedder) 8) :P I got VESC returning realtime data over bluetooth to a mobile app. It's taken me a while, but finally got there! For your viewing pleasure: AAa55i9OPH8 And even better - here is the code for iOS and the detail of what...
  3. benj

    Heating in a EV car

    Hi Everyone, I am looking for advice on how to heat a car that doesn't have an engine. I need to heat a vehicle using electrical technology and not sure what the best practice would be. I know that all electrical heaters are 100% efficient in theory, and that fan assistance is probably nice...
  4. benj

    VESC, current control and wheelspin

    Hey everyone, The weather is turning wetter, but I'm still adamant it's board riding weather :D I'm riding a VESC on a mountainboard, and over wet grass I'm getting a lot of wheelspin when using current control. I can hold the trigger at say 70% and get a constant speed, but then I hit some...
  5. benj

    Teaser: iPhone controlled VESC

    Ta Daaaaa! 4TKZYR2Yv_Q More to come soon, need to iron out the kinks and make this safe for use :shock: Then I'll open source all the code and we can all get happy. Add don't worry, Android will also be supported :) Credits to pkondratyuk from this forum for his work on some Arduino to...
  6. benj

    Omni Hoverboard

    Not bad, an actual real hoverboard http://omnihoverboards.com Bfa9HrieUyQ I'm quite surprised it seems fairly stable and doesn't use an insane amount of props. Noisy as hell and dangerous but still awesome.
  7. benj

    Any tips for VESC with standard RC transmitter / PPM ?

    Hey everyone, Thanks to Marcin my VESC arrived and is all fired up and wired up. Detection worked smoothly and I have great control using the BLDC tool. However I can't seem to figure out PPM control. It's kind of 'all or nothing'. I've read that Vedder hadn't tested it that much, but hoped...
  8. benj

    Any tips for running chains?

    My latest build uses a chain drive and it keeps slipping off. I use an ISO 04 chain with 6.35mm pitch. I'm looking for any advice to help keep that chain on. I wondered what chain size other people use. Perhaps something larger would be more forgiving? I have aligned my sprockets pretty well...
  9. benj

    Offroad Onda with integrated electronics

    Something a bit different I think :) Here is my take on an Onda It's an Onda Core with Trampa MTB wheels, and to make it semi-stealth - electronics mounted in-deck. It looks pretty awesome I think, very happy with it. The ride is nice and soft and smooth. It's been designed as a...
  10. benj

    eMTB build - MBS Pro 12

    Hey everyone, time for another project :mrgreen: I got hold of a cheap MBS Pro 12 Jeremey Leafe edition and so naturally - wanted to make it electric! It has nice Matrix Lite channel trucks - the ones with the brake adapter threaded hole. My disclaimer...I am not an engineer, I have no...
  11. benj

    Boosted 'hacked'

    Interesting article...hackers can take control of your Boosted board...not sure why they would, but scary nonetheless. http://www.theregister.co.uk/2014/12/19/hack_hijacks_boosted_skateboards_kills_hipsters/
  12. benj

    DIY Hoverboard

    I'm sure a lot of you will see this, and I know it's silly and stupid - but how about a theoretical discussion on this and how it could be improved? http://mrhoverboard.com/blog/ 8dflaK2OgNg Leaf blowers! OK, so it's just a mini-hovercraft, but I'm surprised these blowers have got enough...
  13. benj

    What other forums or projects keep you busy?

    Hi Everyone, I found Endless Sphere after seeing Boosted Boards do their TED talk, and decided to make my own :) A few years later I have 3 eboards to choose from and I'm so happy with them and owe a huge thanks to the ES forums :D Before that, I had built my own Segway, an electric go kart...
  14. benj

    MTB wheels on longboard, axle convertor?

    I've seen a lot of people talking about pneumatic wheels on their skateboards, and people making their own 6" wheels, but I wondered if anybody had considered just putting MTB wheels on a longboard deck? All you'd need is a clever little adaptor to change from 8mm skate axle to 10mm MTB axle (I...
  15. benj

    Anti spark XT90 connectors

    I hadn't seen these before, but they look great for a budget setup and if space is at a premium. They fit a standard XT90 but handle all the anti-spark stuff for you, so just solder them in and happy days. Cheap too...
  16. benj

    Shark wheels

    I was in a skate shop the other day and saw some of these Shark Wheels. They are claiming lower rolling resistance and other nice things, seems interesting. http://sharkwheel.com/ And from their website: Our eBoards are a perfect test for this claim I reckon. Charge up and ride on normal...
  17. benj

    Evolve video, UK commuting

    Saw this today and made me chuckle a bit, Evolve hitting the streets of London: 3YC459zFpCs
  18. benj

    It's not electric, not got wheels - but cool as hell!!

    Just saw this and my jaw hit the floor. I actually found it hard to believe but yes it's a real thing. Feel free to shoot me down as it's not electric and not a scooter or skateboard, but everyone here appreciates invention, pioneering and playing with toys - especially boards... gMaDhkNJA2g...
  19. benj

    Crusty old Bafang - worth saving?

    Hi everyone, I've been given an electric hub and I'm keen to try and revive it. I've tracked it down to being a Bafang 36SWX01-200, so 200 watt. I've opened it up and it's looking pretty gross, although everything seems to turn smoothly enough. I've not dealt with these hubs before (usually...
  20. benj

    So...much....rain - Waterproofing EVs

    Over here in the UK it seems to of been raining for about 2 months solid. That's not fun for riding my eBoard! I know the US is also being hit hard with storms. So it got me thinking that my next project would be something 100% rideable in any weather. Waterproof. Mud proof. Good grip...
  21. benj

    Custom smartphone App / Data logger

    Hey everyone, Seeing as I make mobile apps for a living, I decided to combine my job with my hobby, and I started making a custom iPhone app and hardware for some data logging. The overall plan is to try and make something really useful and the end goal is to open source everything talked...
  22. benj

    Dirtsurfer electric build

    The time has come! I'm finally starting my conversion after much thought and searching around. The donor is a Dirtsurfer FS. This is the freestyle version with the flexy deck, 16" wheels and disc brake. I spent a while deciding if I should use an electric hub, or try a mid mount, and have...
  23. benj

    Sprocket suppliers

    Hi everyone. I'm looking for a pretty specific sprocket but can't seem to find what I need. I want to run standard narrow bike chain, I believe that is called ansi 40 (1/2" pitch). The sprocket I'd like would be a low tooth count with a 10mm bore (or machinable bore). I live in the UK and...
  24. benj

    Electric Hub vs RC Outrunner

    Hello everyone, I am about to embark on my next project and I was hoping to get some advice on electric hubs compared to RC style outrunner motors. I see eHubs from 250W all the way up to 4kW. Lovely stuff! But then I also see RC style outrunners which are much smaller and lighter with 2kW...
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