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  1. harryS

    Are these normal phase wire voltages?

    It's all digital in the end. The controller only looks to see if the Hall signal is above its digital Vin, probably 2V. However, your Hall outputs, which I didn't look at, should be similar. As for the 13V, you;re the circuit guy, I gave you two typical drive circuits to get you understanding...
  2. harryS

    Are these normal phase wire voltages?

    I feel you're wasting your time. Best way to test a motor is to hook it to a good controller. Conversely, you test a controller by hooking it to a good motor. Here's two schematics for popular controllers that are representative of motor drives. You can examine the mosfet drive circuits,
  3. harryS

    My DIY builds: GMAC, BBSHD, 9C RH212, CYC Photon, ToSeven DM01, Grin All Axle

    Just hot laps at a couple at several local places, Blackhawk Farms in Beloit, Autobarn near Joliet. In 1998. went to the Miata National at the Poconos, where we got to loop around the road course. Driving a slow car slow. That's me. Autox too. JR Supercharger, dyno'ed arund 140 HP(?). less...
  4. harryS

    Greetings from Sarasota, FL

    Welcome. We've ridden the Legacy down to Venice on one of our winter escapes.
  5. harryS

    The Universal Ebike!

    Six years ago, I ordered the Ecotric Fat Tire folder for my wife, sight unseen, When it came, I looked in the box and thought they sent me a 26" model as the tire diameter was close to 24". My wife said "#%#^, get that thing outa here",when she rode it. Well, I only paid $700 for it, and it had...
  6. harryS

    Spoke length for Milano rear wheel

    I've built over a dozen wheels most of them hub motors, Earlier this year, I broke a spoke on a normal rear wheel with freewheel. I thought it would be a piece of cake, with my wheel building experience, to take out an unbroken spoke for a measurement. Easy, but it took some time. Had to remove...
  7. harryS

    Upgraded to lithium issue

    Do check your battery connections and wires on the bike to make sure they haven't corroded away. I've had connectors exposed to 5 years of weather frizzle down to a few strands of wire. That can drop a lot of volts. Wattmeters like this one or that one are useful in finding out what's going...
  8. harryS

    Disappointed in the Bafang BBSHD Mid-Drive Conversion

    We used to talk in hushed tones around the campfire when speaking of the big Bafang. The curse of the locked down controller has claimed another legendary motor,
  9. harryS

    Crazy Walmart mid drive deal $349

    Marginal utility. One tenth the price of a Vado with sales tax. Nine tenths of the functionality. Zero percent of the snobbery, but priceless for satisfaction, .
  10. harryS

    Safety Wiring { Maybe not a great title ? }

    I've added tail lights and headlights to my daily riders. They use rechargeable cells and recharge via USB so I've run power cables front and rear. and they charge while riding, I've had prissy riders tell me that the strobe mode on my front light is too bright. Good! I try to keep it pointed...
  11. harryS

    Upgraded to lithium issue

    Looks like you have an older ebike that used lead acid batteries, and you bought a 36V 10AH battery in a green shrinkwrap from amazon? It shuts off under high current, buit works on lower power. The amazon ad's smallest battery is 36V12Ah with a max current of 15A. It can probably do a bit...
  12. harryS

    Show us pictures of where you ride your ebikes!

    Last Sunday was Bike The Drive where Chicago blocks off cars from Lake Shore Drive, and thousands of bikers ride with the City on the west and Lake Michigan on the east. I had expected more ebikes, but my guess is about 5% at most were riding them.
  13. harryS

    Crazy Walmart mid drive deal $349

    I'm not in a select location, too far from the warehouse.. Everytime I look, the $349 grey bike is out of stock. The white one has dropped in price from $699 to $549. Still too high.
  14. harryS

    What camera do you use if you are into photography, when cycling

    Had a tire blow out at 6:46 AM on I-90 in West side of Chicago. Pulled off into a sketchy part of town. Hadn't changed a tire in 15 years, but I changed this one n 15 minutes and we scrammed. Turned out to be a great day for a ride.
  15. harryS

    What camera do you use if you are into photography, when cycling

    I'm going on a ride tomorrow on a pavement ride thru CHicago with maybe 8000 other cyclists. My last time with this event was before Covid, and while I brought my m43 mirrorless, I didn't bring any SD cards, so all I had was a $40 Akaso video camera. Worked well enough, Taking my Olympus OM5...
  16. harryS

    Raleigh Array issue....🤔

    It turns on the first time you install the battery, Then it can't turn on until you re-install the battery. This is with a full charged battery too? If it's almost discharged or weak. this kind of stuff is more likely, To be clear, is there a handlebar display or handlebar switch that you are...
  17. harryS

    I need help!!!

    A box of junk controllers looks like this. You cannot tell much from the label. You have to look at the connectors. You need the wire diagram that is in the seller's listing, And they are all different. It's not worth the time to guess on every connection. You're on your own w/o any more...
  18. harryS

    DIY build my own E-bike battery - tips?

    Looks like a 4S-4P. Should hit 16.8V if the cells were good, Stuck at 13V. You might have all four groups at 3.5V, or more likely, some at 4V and the others at 2V, ANyway, for the time being, neither the car charger or the bench supply can force enough current to go much higher. No worries. If...
  19. harryS

    I need a carry bag for a foldable ebike

    My Schwinn Loop came with a carry bag, but those are narrow 20", and that's a 33 pound bike before I added a 6 lb motor, A 20" fat tire bike comes in around 60 lbs or more, A bag would rip when you lifted it,
  20. harryS

    DIY build my own E-bike battery - tips?

    There is a test standard that says a cell must not start a fire if you short circuit it. Quality cells have pressure sensitive circuit breakers inside that are intended to break the circuit. They also have vents that blow if the pressure gets too high. The same standard says you can overcharge a...
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