What brand is this hub motor? (picture)

[addertooth]

The A slanted oval with an "H" in it.
I am having no problems with it, but looking ahead to when it will be replaced.

 

[DieselTech]

The A slanted oval with an "H" in it.
I am having no problems with it, but looking ahead to when it will be replaced.
View attachment 11814

It looks like a Bafang knock off, but I'm sure I'll be corrected. There is a good article about hub motor manufacturers, but I cant remember what site.

Addertooth would you be willing to show a pic of your wiring connector disconnected. I would like to see what it looks like.

Also what does your bike use for torque arms on the front?.

Thanks.

 

[addertooth]

The drop-out lugs are much thicker than the ones which failed on other bikes. There are no torque arms on this one.
As I recall they are 15mm thick (a bit over 5/8ths inch). The pictures I have seen of broke ones were MUCH thinner (about 3/16th to a quarter inch thick, and less beefy. It is no surprise those thinner ones broke, the motor produces about 60 foot pounds of torque (82NM).

I have seen that article, but none had that logo on the hub motor. I realize China produces a lot of hub motors, and they will "rebrand" it with whatever logo pleases the purchaser who will order a bunch of them.

 

[DieselTech]

The drop-out lugs are much thicker than the ones which failed on other bikes. There are no torque arms on this one.
As I recall they are 15mm thick (a bit over 5/8ths inch). The pictures I have seen of broke ones were MUCH thinner (about 3/16th to a quarter inch thick, and less beefy. It is no surprise those thinner ones broke, the motor produces about 60 foot pounds of torque (82NM).
View attachment 11816

No I had a feeling maybe thats what the manufacturer did. But I wasnt sure. I appreciate it.

I'm with you, I would like to have spare hub motors or at least parts for down the road. As quick as this market is growing, who knows how long parts will be available.

 

[DieselTech]

No only reason I asked about your motor connector, was I'm curious if every manufacturer is using a standard connector or if every manufacturer puts their own proprietary connectors. Thanks.

 

[addertooth]

Sorry for the blurry image. It is a 9-pin connector.

 

[DieselTech]

Sorry for the blurry image. It is a 9-pin connector.
View attachment 11818

Thank you. Yep your connector is totally different than my bike. But I believe mine is 9pin as well. That article about hub motors mentions that Bafang builds a lot of hub motors for different manufacturers & they are unbranded. Then the bike manufacturers puts their name/brand on it.

I think the only thing that might fail, would be the planetary gears & possibly wheel bearings.

 

[addertooth]

Thank you. Yep your connector is totally different than my bike. But I believe mine is 9pin as well. That article about hub motors mentions that Bafang builds a lot of hub motors for different manufacturers & they are unbranded. Then the bike manufacturers puts their name/brand on it.

I think the only thing that might fail, would be the planetary gears & possibly wheel bearings.

I hear some hub motors have nylon Planetary Gears. A company sells upgraded steel gears, but I bet they make more noise.

 

[DieselTech]

I hear some hub motors have nylon Planetary Gears. A company sells upgraded steel gears, but I bet they make more noise.

Yeah I think the nylon will last, unless a guy has a bad wheel hop under full throttle & then the wheel plants on the ground again. Then I could see a guy stripping the teeth off of the gears.

Yeah I've been able to find, steel, aluminum, brass, & different plastic replacement gears.

But yeah I bet any of the metal gears will be loud & talk to you. That could get annoying.

 

[addertooth]

Yeah I think the nylon will last, unless a guy has a bad wheel hop under full throttle & then the wheel plants on the ground again. Then I could see a guy stripping the teeth off of the gears.

Yeah I've been able to find, steel, aluminum, brass, & different plastic replacement gears.

But yeah I bet any of the metal gears will be loud & talk to you. That could get annoying.

On my lathe, I left the Tumbler Gears (for reversing the direction of spin) as Nylon. In any system, it is always good to have cheap sacrificial part which will break, should something dramatic happen. It beats twisting things up. My mill is direct drive with a three-phase brushless motor (of the same ilk as an eBike motor). The lathe is also a three-phase brushless motor. Both are variable speed. It is nice not having to muck with a transmission.

These two tools are what acquainted me with the kind of power those motors can make.

 

[DieselTech]

On my lathe, I left the Tumbler Gears (for reversing the direction of spin) as Nylon. In any system, it is always good to have cheap sacrificial part which will break, should something dramatic happen. It beats twisting things up. My mill is direct drive with a three-phase brushless motor (of the same ilk as an eBike motor). The lathe is also a three-phase brushless motor. Both are variable speed. It is nice not having to muck with a transmission.

These two tools are what acquainted me with the kind of power those motors can make.

Yeah a lathe & mill will be my next 2 purchases. My buddies old antique lathe works good, but it's got a gearbox/transmission & I know it will wrap a guy up & not stop.

 

[addertooth]

Yes, in my youth I ran a 440v 3-phase 50 HP Hitachi-Seiki lathe. It would not even slow down if it sucked a Machinist in it. He would not even have the time to scream.

 

[Orcasprout]

a standard connector

It sure looks like a Bafang knock off. I doubt you'll be able to find the exact replacement. There are a lot of motors out there that will be a suitable replacement.

Unfortunately the 9pin cable, while in some ways "standard", can have different pinouts from manufacturer to manufacturer. Some controllers have a "learning plug" to discern the proper hall sensor order but sometimes you can get stuck.

If you purchase a replacement motor, know that you might have to deal with this issue. Fingers crossed the replacement motor has the same pinouts, but standardization is not the norm.

 

[Hoggdoc]

It sure looks like a Bafang knock off. I doubt you'll be able to find the exact replacement. There are a lot of motors out there that will be a suitable replacement.

Unfortunately the 9pin cable, while in some ways "standard", can have different pinouts from manufacturer to manufacturer. Some controllers have a "learning plug" to discern the proper hall sensor order but sometimes you can get stuck.

If you purchase a replacement motor, know that you might have to deal with this issue. Fingers crossed the replacement motor has the same pinouts, but standardization is not the norm.

I good thing with all these motors is push come to shove you can always lace a new motor into your wheel.

 

[kmccune]

No only reason I asked about your motor connector, was I'm curious if every manufacturer is using a standard connector or if every manufacturer puts their own proprietary connectors. Thanks.

I know on an espin i own( which had spun the dropouts out) it had a wanky WP connector,most of the other junk kits I have bought have those crappy SM connectors,seems most of the bafang I have dealt with use a generous 9pin WP connector, some of these lower end conversion kits I have bought have tiny wires especially on the hall sensors and headlight wires, some of the lower case thingys are using aluminum wire, the strongest(most powerful) hub motors I have dealt with are the "truckrun" motors.

 

[kmccune]

No only reason I asked about your motor connector, was I'm curious if every manufacturer is using a standard connector or if every manufacturer puts their own proprietary connectors. Thanks.

wish there were more standard stuff, can you imagine if more consumer electric and electronic stuff was proprietory( nice move Europe)

 

[kmccune]

No I had a feeling maybe thats what the manufacturer did. But I wasnt sure. I appreciate it.

I'm with you, I would like to have spare hub motors or at least parts for down the road. As quick as this market is growing, who knows how long partsI will be available.

I have had it, after i get the espin repaired and the "deadly lemon" trike built no more fiddling around with proprietary parts, my next bike will be,wait for it- factory made! and if it goes bad so be it, probably going to try an "ancheer" ugh( heard good and bad on that end,oth have seen people beat the heck out of those things. just cant afford to spend a lot on an ebike( one reason I attempt to build,lot of hills around here,real grinders and screamers.

 

[Orcasprout]

I stock a bunch of different motor connectors, yes it's a pain.

If the pinouts DO match, you're in luck and on the road.

I've built a bunch of motor cables that go to a terminal strip so I can "pre-match" the phase and hall/speed/temp wires ahead of time. Argh what a croc! If they don't match I have to determine the correct Hall/Phase combination and then splice/solder/seal a custom cable.

Yes Europe has some good things going for it, I especially appreciate their efforts to get ahead of Big Tech personal privacy and data monetization but I digress...

I support the "Right to Repair" initiative/movement and I support standards and such.

 

[HumanPerson]

I have had it, after i get the espin repaired and the "deadly lemon" trike built no more fiddling around with proprietary parts, my next bike will be,wait for it- factory made! and if it goes bad so be it, probably going to try an "ancheer" ugh( heard good and bad on that end,oth have seen people beat the heck out of those things. just cant afford to spend a lot on an ebike( one reason I attempt to build,lot of hills around here,real grinders and screamers.

There is a kid in Staunton that has been riding an Ancheer since 2019 that I know of.

 

[HumanPerson]

I stock a bunch of different motor connectors, yes it's a pain.

If the pinouts DO match, you're in luck and on the road.

I've built a bunch of motor cables that go to a terminal strip so I can "pre-match" the phase and hall/speed/temp wires ahead of time. Argh what a croc! If they don't match I have to determine the correct Hall/Phase combination and then splice/solder/seal a custom cable.

Yes Europe has some good things going for it, I especially appreciate their efforts to get ahead of Big Tech personal privacy and data monetization but I digress...

I support the "Right to Repair" initiative/movement and I support standards and such.

Yeah this stuff gets to be a pain from time to time lol

Welcome to the forums by the way!