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  1. jonsully

    52V 21 AH LG Golden Motor Ebike battery-$225.00

    Interested! But I'm in Columbus 😣 I have a trip to Richmond in May but I'm not sure how far that is from you
  2. jonsully

    52V 21 AH LG Golden Motor Ebike battery-$225.00

    Where is it located?
  3. jonsully

    (NEW) Surly E-Ogre Custom: FULLY LOADED Hidden E-Bike! (52V 17.5Ah Battery) Ohio, USA

    It's an XL @bamy 👍
  4. jonsully

    (NEW) Surly E-Ogre Custom: FULLY LOADED Hidden E-Bike! (52V 17.5Ah Battery) Ohio, USA

    Thanks! She's a good one. I think it's either an L or XL, I'll have to check!
  5. jonsully

    (NEW) Surly E-Ogre Custom: FULLY LOADED Hidden E-Bike! (52V 17.5Ah Battery) Ohio, USA

    Bump — Lowered price to $3,199
  6. jonsully

    (NEW) Surly E-Ogre Custom: FULLY LOADED Hidden E-Bike! (52V 17.5Ah Battery) Ohio, USA

    (Bump)
  7. jonsully

    (NEW) Surly E-Ogre Custom: FULLY LOADED Hidden E-Bike! (52V 17.5Ah Battery) Ohio, USA

    (Bump)
  8. jonsully

    (NEW) Surly E-Ogre Custom: FULLY LOADED Hidden E-Bike! (52V 17.5Ah Battery) Ohio, USA

    (Reserved)
  9. jonsully

    (NEW) Surly E-Ogre Custom: FULLY LOADED Hidden E-Bike! (52V 17.5Ah Battery) Ohio, USA

    (Reserved)
  10. jonsully

    (NEW) Surly E-Ogre Custom: FULLY LOADED Hidden E-Bike! (52V 17.5Ah Battery) Ohio, USA

    More pictures
  11. jonsully

    (NEW) Surly E-Ogre Custom: FULLY LOADED Hidden E-Bike! (52V 17.5Ah Battery) Ohio, USA

    What's up! I have an essentially brand-new Surly Ogre with a Bafang BBSHD conversion ready to go! Custom conversion with all the bells and whistles, running Sully's BBSHD programming for incredible feel while pedaling with the motor. Includes a 52V 17.5Ah battery which can easily achieve 70+...
  12. jonsully

    EGO lawn-tool 14S battery INVERTERS

    Alternatively, I'd love to use my 52V ebike batteries with these inverters! Haven't gotten around to testing if that works and/or if the T / Transmit lead is required.
  13. jonsully

    Looking for: GRIN Grinspector and/or Resistor Load Bank

    Still hoping to find one of these!
  14. jonsully

    BBS02 programming question

    It is not. Speed% maps exclusively to motor RPM, which is essentially rider cadence if you're matching your crank speed to motor RPM, though motor RPM does slightly change with battery voltage, as my guide walks through. If you're feeling like other things are impacting your ride, it's likely...
  15. jonsully

    I bricked my BBS02b

    Appreciate the nod! The guide, for those looking: https://jonsully.net/blog/sullys-bbshd-programming/ Big fan of the BBSHD pedelecs when tuning the BBS software Speed% to that of human cadences. It's brilliant for those looking for cadence-sensing, which IMO, is better than torque-sensing in...
  16. jonsully

    BBS02 programming question

    The Speed% governs how fast the chainring will spin. The Current% governs what percentage of the global current limit (I think usually 25 for BBS02?) can be used. Essentially once you start pedaling, the motor will kick in with the max Current% you've set to add power to the system up until the...
  17. jonsully

    I bricked my BBS02b

    I mean, difference of opinion here I guess, but to not tailor the programming of the BBS02 or BBSHD is just a gross waste of a good motor. They're both fantastic motors that ship with terrible stock configurations. At best, they'll burn way more battery than they need to. At worst, you'll be...
  18. jonsully

    Torque-sensing AND Cadence-sensing — an idea

    GRIN did respond to my question email with: Which sounds great, but this message didn't have the particular setup details for how to accomplish those two things. I'll report back here as I hear more there. Both of those notes from GRIN sound like exactly what I'm hoping to build!
  19. jonsully

    Torque-sensing AND Cadence-sensing — an idea

    Ah! That's clever! If that's doable (and easily swappable back for when I want to go torque-sensing), that sounds great! Awesome idea.
  20. jonsully

    Torque-sensing AND Cadence-sensing — an idea

    Hah, I appreciate the thoughts! I actually don't ride with throttle at all, so it's all about PAS for me. But good insights nonetheless!
  21. jonsully

    Torque-sensing AND Cadence-sensing — an idea

    For sure, and I agree. I accomplish the same idea with my BBSHD programming but I think the algorithm is just different. As I begin to approach a hill, putting in no additional effort, my cadence naturally begins to fall. So the BBSHD kicks in more power to keep my cadence up where it should be...
  22. jonsully

    Torque-sensing AND Cadence-sensing — an idea

    > installing a BB cadence sensor That is the plan, if I can figure out what CA3 setting would accomplish the software layer I'm wanting! > to drive the speed loop in the CA3 Can you elaborate?
  23. jonsully

    Torque-sensing AND Cadence-sensing — an idea

    I guess what I'm realizing in reading over the definitions of the three types of PAS that the CA3 offers is that there doesn't appear to be anything quite like what I'm hoping to replicate — a form of pedal assist that purely seeks to help you reach a specific cadence RPM and stay there, also...
  24. jonsully

    Torque-sensing AND Cadence-sensing — an idea

    I'm considering which motor and drivetrain system I want to employ for my next conversion (a Surly Ogre) and hoping I can figure out a way to have both cadence-based pedal-assist that supports the BBSHD style of allowing me to tailor a specific target cadence RPM that makes me happy (e.g. the...
  25. jonsully

    History of the Bafang BBSHD Over the Years

    Another new piece in the history here — Bafang launched the M635 within the last year and units are starting to get out to the public. Appears to support both cadence-sensing and torque-sensing, though details remain scarce.
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