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  1. Rassy

    Bafang BBS02 Throttle/PAS Simple Fix

    Richard, small correction, those pictures I sent to you are of a 44 tooth chain ring.
  2. Rassy

    Bafang BBS02 Throttle/PAS Simple Fix

    Richard, I have sent you a phone message about adapters for smaller chain rings on a Bafang BBS02. I think this is also covered somewhere in the forum, but no idea where. Seems like there is also an issue with chain alignment, which would not be a problem with a recumbent bike.
  3. Rassy

    Bafang BBS02 Throttle/PAS Simple Fix

    Thank you, Daniel. I see this as a great step forward. I will be interested in results others get. One of my trikes is now getting the Error 21. At first, I expected just a magnet or speedometer pick-up problem, but initial tests have led me to believe the problem is in the controller. Even...
  4. Rassy

    Bafang BBS02 Throttle/PAS Simple Fix

    It's always nice to hear when something works out okay. I also like that it just takes one quick push on your switch of choice to disable PAS when you need to just pedal slowly through a congested area. So in some ways I feel having my handy rocker switch is an improvement over the pre 2017...
  5. Rassy

    Bafang BBS02 Throttle/PAS Simple Fix

    Richard, as to your above post, I can't help. Are you already using the smallest chain ring you can find on the Bafang? And I did a few tests using throttle vs level 9 PAS and both gave identical top speed. There was a slight loss in speed when switching from one mode to the other, I think...
  6. Rassy

    Bafang BBS02 Throttle/PAS Simple Fix

    I've done two of them. On one of them there was the shifter cut off, or whatever it's called, which I have found as worthless, so I just cut it off within the controller cavity and protected the wires so they wouldn't short, and used the hole in the gasket to run my new wires out. In the other...
  7. Rassy

    Bafang BBS02 Throttle/PAS Simple Fix

    Thanks Richard, I enjoyed meeting you and your wife. I will do some full speed tests in PAS level 9 vs throttle in various gears.
  8. Rassy

    Bafang BBS02 Throttle/PAS Simple Fix

    I just saw your previous message and left a voice message on your phone. Pete
  9. Rassy

    Bafang BBS02 Throttle/PAS Simple Fix

    I get the hill issue. Before moving to Eugene, I had retired to Port Orford and had to deal with a 20% grade to get back to my house at the end of each ride. I'm not sure what various changes might affect. If you mean eliminating PAS by severing the PAS sense wire, or for testing, I think you...
  10. Rassy

    Bafang BBS02 Throttle/PAS Simple Fix

    double posted accidently
  11. Rassy

    Bafang BBS02 Throttle/PAS Simple Fix

    That's a tough one to answer Stanley. At 82 I just ride for a little exercise and recreation. My speed limit is set at 20 mph, which is reached in various gears and PAS settings or by throttle. Most of my riding is done under 15 mph so that I can supply some pedal input. I have read that some...
  12. Rassy

    Bafang BBS02 Throttle/PAS Simple Fix

    As far as wire size from the controller to the handlebar switch, I don't think it matters too much. 22 gauge is probably more than needed, but that was what I used. As far as the controller settings are concerned, I like a gentle start and have been using the following for some time. I have...
  13. Rassy

    Bafang BBS02 Throttle/PAS Simple Fix

    I haven't had a need for a new throttle for years, so can't help on where to purchase one. Any Bafang dealer that sells parts should be able to supply one. That is pure BS that a different throttle would void any warranty, but of course it has to be manufactured with the proper connector for...
  14. Rassy

    Bafang BBS02 Throttle/PAS Simple Fix

    A latching switch is just a push button that locks in the down position until it is pushed again and then releases back to the up position. So it works the same as a toggle switch or a rocker switch, except you always do the same thing to go from on to off to on to off, etc. but unlike a...
  15. Rassy

    Bafang BBS02 Throttle/PAS Simple Fix

    Sorry not to see your question earlier, but no, the gray wire goes directly from the sensor located within the casing to the controller, so there is no other way to get to it besides within the controller cavity. As far as the switch, I just used a basic motorcycle light switch that is made to...
  16. Rassy

    DIY Fix for BBS02/BBSHD Pedal/Throttle Issue

    Just for the record I sent an email to Luna Sales yesterday and asked specifically about the status of the Throttle/Pas issue. Here is the response I received today: "The throttle/pas issue has not gone away. It is still there but you can "mask" it or "cover it up" with the proper...
  17. Rassy

    20KW 2WD having misfires (but can do a double burnout)

    I just saw your question in this thread today warren, but the answer is that I moved away from the house on the steep hill seven years ago and have not used any multiple motor systems since then. I was told repeatedly by "experts" that the full throttle parallel method that I used could result...
  18. Rassy

    BBSHD Firmware Upgrade

    This may be slightly off topic for this thread, but the BBS02 has also suffered from the throttle/PAS dominance change that Bafang made in 2017. This thread both explains the problem and gives some non-firmware solutions: https://endless-sphere.com/forums/viewtopic.php?f=28&t=111469
  19. Rassy

    DIY Fix for BBS02/BBSHD Pedal/Throttle Issue

    Excellent question fechter, I decided against making any modification to the throttle and instead I'm using a latching button switch next to the thumb on the opposite side of the handlebar from the throttle. Since this thread has become quite long and mostly about the electronic fix to the...
  20. Rassy

    Bafang BBS02 Throttle/PAS Simple Fix

    As most BBS02 and BBSHD enthusiasts know, Bafang introduced a change in 2017 that changed dominance from the throttle to PAS which resulted in poor throttle response when you were also pedaling, even in PAS level 0. I took part in an experiment with guidance from Fechter to make an electronic...
  21. Rassy

    DIY Fix for BBS02/BBSHD Pedal/Throttle Issue

    My fix, described in the first post of this thread, died after 3 years of use. I have updated the first post with an edit describing a very simple alternate fix for this problem that does not require any electronic parts or digging into the controller potting. Of course it will still void your...
  22. Rassy

    DIY Fix for BBS02/BBSHD Pedal/Throttle Issue

    Well, after 3 years of regular use the controller dated 9/2016 that I "fixed" started cutting out on a ride today. The display stayed on so I knew power was getting to the controller, but the assist would stop and the throttle would not work. Most times after losing three or four MPH both the...
  23. Rassy

    Mobility Trike Build With Coaster Brake

    Yes, there are some out there that might work better for her, but running in low gear gives her more speed than she requires, depending on the PAS level she chooses. She has a hard time controlling her left hand and fingers and has to use her right hand to first grasp the left grip and also to...
  24. Rassy

    Mobility Trike Build With Coaster Brake

    I will try to answer a few comments and questions that have been posted above: I ordered the Coaster Brake Hub with a 3 speed IGH because I did not know exactly how she would use it in practice. Turns out she can not shift on the fly and just uses low gear all the time. I am still glad that I...
  25. Rassy

    Mobility Trike Build With Coaster Brake

    To show detail the previous two pictures were taken when the trike was still upside down during assembly.
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