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  1. Hwy89

    Dual motor single throttle

    Can a Bafang BBS02 mid drive motor and a Q128 front motor be controlled with a single throttle? I have put together several two wheel drive combined throttle bikes in the past but have always used matched motors. Has anyone done this?
  2. Hwy89

    Fat tires are squirrelly on pavement.

    I’ve been playing with a Lectric 20” fat tire folder. It is fun in the dirt and sand but when you get it on pavement the handling gets weird.it feels similar to riding a motorcycle on grooved pavement. At higher speeds it starts to feel more normal but makes you wonder what might happen if you...
  3. Hwy89

    Ebike unfriendly jurisdictions

    I went online yesterday to purchase a loading pass for the ferry to Mackinac island in Northern Michigan. It is a car free tourist trap where you can walk, bicycle or take a horse drawn taxi to get around. Fortunately I took the time to read the rules about ebikes. First, the rider must be...
  4. Hwy89

    DIY electric brake idea, please critique

    I’m adding big Clyte hubmotor to what was a 50cc motor bike. The controller that I have does not support regen braking and I’d rather not buy a new controller until I put this all together and know if it will actually work. I have drawn out a schematic for an electric brake without regen and...
  5. Hwy89

    PAS sensor for Big Dummy

    Is there a PAS sensor for this type of bottom bracket?
  6. Hwy89

    Rare Earth Magnetic Amorphous Metal cores in motors

    To the motor experts on the board. I am reposting something that I read on another blog in hopes that some of you can review it, fact check it and possibly explain it for me. Anonymous blogger says: " Traditional electric motor ( including generator) core is built with copper wire and...
  7. Hwy89

    Anyone recognize this bike?

    This bike is on Seattle craigslist in a non working condition. The seller does not know the brand or if it was converted or originally an ebike. I will probably go look at it in the next week. Has anyone seen one? If it is a cheap China bike I could avoid a couple hundred miles of driving to go...
  8. Hwy89

    How to troubleshoot a pedal sensor?

    I decided to try pedal assist on a new bike I just put together. It has a q100 rear motor, a S12SH sine wave controller and a LCD 5 display. Everything works just fine with the throttle but I can't get it to work with the pedal assist sensor that I just bought. The sensor mounted easily on the...
  9. Hwy89

    Lost a new ebike off bike rack last Saturday Feb 16

    Last Saturday Feb 16 I was hauling two ebikes on the back of my van. I traveled California SR 24 from Imperial Dam to US hwy 8 in Winterhaven Ca.then crossed the bridge into Yuma AZ for gas. While filling the van with gas I noticed that one of the bikes was gone. The missing bike is a Motive...
  10. Hwy89

    Help converting an RV house battery to lithium

    It is time to replace the lead in my RV. I am heading out in a few weeks to spend the winter dry camping in the Sonoran Desert. I am currently in negotiations with a seller to get another Tesla module so I will have 444 18650 cells to play with. I plan on taking 2 of my 180 watt solar panels...
  11. Hwy89

    Meanwell LSR-350-36 charger question

    I just built a new battery pack. Two sections each 12P 7S of used Tesla 18650 cells? The two sections are run in series and connected in parallel for charging. I purchased a new Meanwell LSR-350-36 power supply and adjusted the output down to 29.2 volts. When connected to the battery the output...
  12. Hwy89

    Where to find switches rated for 60 VDC

    I have successfully used 12 VDC switches for controller on/off ignition purposes on 58 V systems but that is a control voltage with very little current. I am now planning to install two DC/DC converters for lights at 7.4 V and for USB accessories at 5V. I want both converters to be switched on...
  13. Hwy89

    Source for Q128 motors AND repair parts

    Is there another source for Q 128 motors other than BMS battery? I just put a Q128h on my bike with the s12 sine wave controller and I love it. It is smooth, dead silent and gets me up hills with no strain. I bought it from BMS Battery.com with no glitches and very quick delivery but the...
  14. Hwy89

    Anybody ever added battery capacity to Nissan Leaf?

    The older leafs are getting pretty cheap and I'm considering buying one. Has anyone here added some battery capacity to their Leaf for the occasional longer trip. I'm a battery builder with a couple hundred Tesla 18650 cells that need to be put to use somewhere. The older leafs look like a good...
  15. Hwy89

    Free dead tesla cells

    Trying to figure out where to recycle these and it occurred to me that someone out there might want them to experiment with. I have pulled all of the good cells so what you see here is junk. I did try to revive a couple of the dead cells but no luck. Use them for a classroom demonstration or...
  16. Hwy89

    Help me choose controllers for dual Q100 build

    I just purchased a front and rear pair of Q100 motors which I intend to install on a dual drive setup and I need to find a pair of controllers. I will be using a 12s battery pack that tops out at 50.4 V. From what I've read I will need to limit current to about 18 amps max. I will be using...
  17. Hwy89

    Permanent magnet pool pump motor controller hack??

    Here at my winter gig I have been asked to look into fixing several Hayward echo star pool pumps. These are 3hp PM motors with sealed controllers and digital control panels. I have determined that the motors are probably good and the controllers need to be replaced. I found this YouTube video...
  18. Hwy89

    Turnigy Watt Meter question

    I have a new Turnegy 130A watt meter with an unreadable display. When viewed straight on, all that is visable are rows of dark squares. If I view it from an extreme angle I can almost make out the numbers. I know that some of you members have taken these apart. Does anyone know if there is an...
  19. Hwy89

    9C front hub. dumb question

    I just installed a 9C 2806 front hub with an unknown brand 48v 1000W controller. Connected blue-blue, green-green and yellow-yellow on both phase and hall wires, motor ran rough and loud in reverse. Remembered something I read here and re-connected to blue-green, green-blue on both phase and...
  20. Hwy89

    Need help identifying a hub motor

    I just bought this bike. It has a rear hub with two very small wires (18 or 20 ga.)red and black, which have been cut off. I know that it must be a brushed motor but I have no idea what voltage it was designed for. There is no controller, battery, or throttle. I intend to put a BLDC hub on...
  21. Hwy89

    Any one in Flagstaff AZ who could help this Lady?

    I just got off the phone with an older lady in Flagstaff who needs someone who would be able to check, and most likely replace, the batteries in her bike. She has a Batteries Plus store nearby and I suggested that she find a way to get the bike to them and ask them to test the batteries and...
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