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  1. J

    Tongshen TSDZ2B and a Thorn Explorer Tandem

    It seems to be an accepted norm that one can never have too many bicycles (n+1). That said, I haven’t seen a similar argument presented when it comes to tandems! We have an Orbit Velocity tandem which was converted to e-assist several years ago with the installation of a Woosh 48 Volt DWG22C...
  2. J

    KT Current Control versus Luishi Speed Control

    I know that Cadence has recently made some observations regarding his favourable experience of a KT system. In the event that there may be some interest in hearing of another comparison between these two different ways of operating an ebike, here’s my subjective view having replaced the 17 Amp...
  3. J

    KT Controller – still drawing power above cut-off speed?

    Having read all the positive comments and feedback about KT controllers, I recently fitted a KT sine wave controller to my solo bike – comments on that to follow. I bought the 15 amp 6 MOSFET version which fits into a Hailong 1 battery base. The original Luishi controller was a 17 amp model...
  4. J

    Shengyi Hub Motors - Nomenclature

    Folks, out of interest does anyone know how Shengyi label their hub-motors? I have the DWG22C motor and would like to ‘decipher’ the information printed on the motor casing. In the attached image (from the Woosh site) my guess at the data would be: SY – Manufacturer – Shengyi 22 – Maximum...
  5. J

    Wooshing along on a DWG22C – 3,000 miles and counting …

    I fitted a Woosh DWG22C kit to my tandem in March 2021. I documented my experience with this e-bike conversion (my first) in an earlier thread. https://www.pedelecs.co.uk/forum/threads/orbit-tandem-woosh-dwg22c-48v-rear-hub-kit.40584/ Since then, we’ve covered just over 3,000 miles so I...
  6. J

    'Pinion - MGU' - Motor and Gearbox combined

    A new type of e-bike motor has been introduced by German company Pinion and it looks very interesting. When I first stumbled across the Pinion gearbox, I thought it would be an excellent device to incorporate into an e-bike if it were to be combined with a mid-motor. Pinion clearly had similar...
  7. J

    Battery charging anomalies

    A bit of a puzzle for those more electrically / electronically knowledgable than myself. I have Woosh DWG22C kits fitted to two of my bikes. Both have 48 volt 12Ah batteries and both have worked very well since their installation and continue to do so. I monitor battery charge cycles /...
  8. J

    Modifying King Meter LCD power levels

    I have fitted Woosh DWG22C rear hub motor kits to two of my bikes and have been very pleased with the results. The kits use cadence sensing and speed control to modulate the output from the motor. The controller is made by Lishui and the LCD display is a King Meter 529. Generally, I’m happy...
  9. J

    Woosh DWG22C Rear Hub Motor 'Ticking' noise.

    Folks, Here’s a little puzzle for you to consider if you would please - its got me stumped! I have a Woosh DWG22C rear hub motor fitted to my tandem. It has covered about 600 miles since fitting in August this year. It is normally used with level 1 or 2 assist and the throttle (plus us...
  10. J

    Extension cable for Lishui Controller

    I've recently installed a Woosh rear hub kit on my tandem bicycle. Really pleased with the results but the size of a tandem does present some issues. The battery / controller is mounted on the boom-tube of the tandem and the motor connection cable is a very neat fit. I've managed to install...
  11. J

    Orbit Tandem & Woosh DWG22c 48v rear hub kit

    After considerable amount of ‘umming and ahhing’, I finally got round to adding some electrical assistance to our Orbit tandem. This my first attempt at an e-bike. The main reason for installing electric assist was to provide some help on the steeper hills. I had wanted to fit a mid-drive...
  12. J

    Orbit Tandem - Whoosh DWG22c 48v rear hub kit

    After considerable ‘umming and ahhing’, I finally got round to adding some electrical assistance to our Orbit tandem. This my first attempt at an e-bike. The main reason for installing electric assist was to provide some help on the steeper hills. I had wanted to fit a mid-drive motor as...