Search results

Date Relevance Most replies

  1. R

    PAS sporadic dropouts

    Are intermittent PAS dropouts indicative of a failing battery? These usually appear while ascending a hill...
  2. R

    Bafang BBS02 gearing for 20" wheel

    I want to reduce my 24 gears and also dispense with the rear derailleur and to fit a modified Hebie chain glide to the rear wheel of my Alleweder A4 velomobile. My currently installed setup is; Bafang BBS02 500W, 42T Lekkie, SRAM DualDrive 8 spd cassette (11 - 30), 20" wheels. After much...
  3. R

    Turn signals shared between 2 batteries

    I want to share my turn signals between the batteries of; 1) an alarm system 2) my 12V velomobile supply (lights, horn, fan and turn signals) When my (48) motor supply is turned off, there is no feed to the 48V / 12V buck converter which then feeds the supply (in #2 above). To share the...
  4. R

    Throttle Voltage Query

    What would cause a thumb throttle to exhibit 4V over its' full range? I have two which I've tried and they both present a similar result (one with 4.32V one with 4.54V). I've made a 'break out' cable so that I can test each throttle in situ with the Bafang powered up. Using this cable I've...
  5. R

    Thumb throttle won't stop when released

    My thumb throttle (with a slight movement) will start the BBS02, but at approximately half of the lever's range of movement the motor takes over with a mind of its' own. It is as if the motor has a slight hesitation before deciding to 'go for broke'. The thumb lever moves freely but doesn't turn...
  6. R

    BBS02 PAS using chainring instead of crank?

    After all my work (building my velomobile and designing the 12V electrical system, fabricating custom parts etc.) I have discovered that the BBS02 motor's PAS is triggered by crank movement rather than chainring. I have the motor installed in the Alleweder velomobile (see picture) and due to the...
  7. R

    Samsung Frame pack security

    I have a 48V Samsung frame pack battery (from EM3EV). I would like to know how other owners deal with the power switch being so accessible to passersby (i.e. just press the button and the blue light indicates that you have power available). It just seems a bit too vulnerable to me to rely on...
  8. R

    Help with LiPo packs for velomobile

    Hi all, some questions for you from a novice, I am building an aluminium velomobile from http://dutchbikes.nl/ and would like assistance regarding the batteries and configuration I should use. The Bafang BBS02 is my choice of crank drive, so I imagine that the battery pack would have to be at...
Back
Top