torque

  1. Petropoliskhan

    Commuter bikes Qwic RD11S vs Stromer ST1x

    Commuter bikes Qwic RD11S vs Stromer ST1x This is a looong post but I feel some context is necessary before I ask my questions. Thank you in advance for your patience and answers. For those who have less time/patience : Question is at last paragraph. Hi! This is my new e-bike. After...
  2. R

    Building hub motors

    Hi, I came to this forum to ask a group of people who are familiar with hub motors about my project to build hub motors for my brother’s power wheelchair. We’re building an all terrain power chair from the ground up. Most power chair companies use brushed DC motors because of their fine control...
  3. M

    Looking for Best Commuter/Touring bike for Hills

    I Own a 2012 Kalkhoff "Pro Connect"- In the main I've been happy but the bike is getting up there, Khalkoff has left the market in PDX and I'm weighing a new e-bike purchase vs throwing repair/maintenance dollars at the "Pro Connect". If I had one wish for improvement for a new purchase it...
  4. CraftyXR

    Mondraker Crafty XR plus A frame question

    Hello all, brand new to this forum, hope its gonna be a long learning journey on here. I recently acquired the new mondraker e Crafty XR plus 500watt bike with bosch CX. Im very happy with this bike its a sensational ride wherever you go. I've done circa 350km with it so far. This week i was...
  5. D

    Sduro yamaha all mtn SC 2016 motor issues when climbing

    I have been taking my bike out on technical rides a bit above my skill level. There's usually some steep climbs up muddy power line roads/paths... I have noticed that when on a long climb where I have lost momentum and the forward motion is purely dependent on my pedal power, the motor will...
  6. SamZ

    How to calculate maximum initial acceleration of the motorcycle?

    Motorcycle Specifications:- Top speed:- 170 Km/h 0-100 Km/h Time:- 3.5 Sec Motor Used:- 20KW Cont / 50KW Peak // ~50Nm Continuous / 120Nm Peak Tire Size:- 120/70-17 front and 160/60-17 rear Motorcycle weight:- 190 Kg Motor sprocket - 11T Wheel sprocket - 64T Assuming the rider weight as 60Kgs...
  7. e_adventure

    ebike for a hilly commute

    Greetings, I am in the market for a new ebike. After much online research, looking through these forums, and trying out some bikes at my local shop, I think I could use some experienced opinions from the ebike community. I have a long bicycle commute to work, and there are lots of hills at...
  8. D

    2015 Stromer ST1 Torque Sensor Issues?

    Relatively new (~1 month old) Stromer ST1 with just a little over 300 miles on it. From the start of the commute home today, the motor assist became very erratic: Assist, no assist, assist, no assist, etc. If I were to guess, it seems like an issue with the torque sensor, as the motor appeared...