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  1. Bernel

    Yamaha YZF R1 5VY Conversion

    This conversion will consist of the following:- 2004 YZF R1 rolling chassis Motenergy ME1507 motor Sevcon Gen4Size6 inverter Sevcon DC/DC converter Gigavac contactor Domino throttle TC 3.3kW charger Battery:- Gen4 112Ah Nissan Leaf modules, 102.2V Nominal 11.5kWh27S
  2. Bernel

    Sevcon Data to Dashboard

    A short video of getting Sevcon tpdo’s to my digital dash. https://youtu.be/8lbicY0C2n0 More work still to do but so far pleased with this first incarnation. Bernel
  3. Bernel

    Bernel's new electric motorcycle build

    Hi everyone, I will shortly be embarking on a new project to build a road legal electric motorcycle from the ground up. For those who don't know I have already converted a YZF600R and from the lessons learned from my mistakes on that conversion I hope to create an impressive road bike. I have...
  4. Bernel

    Adventures in programming a Sevcon Gen4 Size4

    Hi everyone, This thread will be about my adventures programming a Gen 4 Size 4. A brief history about this project, my Kelly controller bricked, I bought a Gen 4 Size 4 off ebay,(don't know if it works). I have sourced an IXXAT CAN to USB Compact with DVT software from Volsport.co.uk and I...
  5. Bernel

    UK Battery Costs

    Having finished my first build using RC Hobby LiPo batteries. I now need to look at a more robust and better engineered battery. After some extensive research I came up with a list of potential batteries. I have 37.44 litres of available space to house the battery pack. Current set up 74V 70...
  6. Bernel

    DIY battery lipo woes

    Hi All, I just stripped my 5kWh pack down. It is a 20s14p lipo affair. It consists of four 5S 5Ah lipo bricks in series and 14 rows in parallel. Each parallel balance connector is connected to a long pcb board which is finally connected to a Methtek hvc/lvc board. Unfortunately in two of the...
  7. Bernel

    E motorcycle acceleration

    Hello fellow ES'ers. I have a YZF600R conversion up and running. I am experiencing poor acceleration from a standing start and I am after some advice on how to improve it. Pulling out into traffic is a bit dangerous so I have to to wait for a big gap. My specs and settings are given below. 74V...
  8. Bernel

    LiPo battery configuration

    I have a question, my battery box for my motorcycle conversion consists of fourteen by four 5000mAh 5S LiPo bricks. In its current configuration I have connected them in 20S14P to give me 74V at 70Ah. I can reconfigure the connections to 25S11P to give me 92.5V at 55Ah or 30S9P to give me...
  9. Bernel

    YZF600R Thundercat EV

    Hi all, new to this forum stuff, I took the plunge to convert my 1999 Thundercat to all electric when I lost second gear. I started the process in March 2012, lost of web research. I thought I was being innovative until I realised ev conversions had been going on for years. Any how here are my...
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