Where to buy hubmotors?

[Punx0r]

I'm afraid I'm far to impatient to wait that long for delivery

The cheaper kits are tempting, but I'm trying to avoid the situation of "buy cheap, buy twice". If the magic pie is regarded as a good quality motor then I'm happy to pay the extra for it (and get a lyen controller by the sounds of it).

It's just a question of what it will take to get the motor laced into a wheel...

[Punx0r]

Pah, too many variables (and potential cost) with lacing my own wheel. That can be a project for the future.

I've decided on the prokit 901 as it seems there's a few people using these motors and it should be plug and play.

I've emailed devi-motion about stock and delivery time and they say they're currently waiting for a delivery from the far east, which will arrive mid-june. From there it's 3 days to me.

Thanks again for the advice guys

You'll probably see me asking questions about lipo charging soon

Ant

[chilledoutuk]

whilst waiting on the stock at devi motion keep an eye on wheelkits.it as they might get there rear 9c kits back in stock and i think there motors are better than the gm one your looking at.
If your really in a rush the wheelkits guy is selling a 9c 9x7 with 27amp controller for 248 euros plus delivery.
The controller is a pretty nice infineon controller its the one i use now doesn't even get warm with my 6x10.

[Punx0r]

I can't see any kits showing as in stock on the wheelkits site?

BTW, what does 9x7, 6x10 designate?

[dogman]

Motor windings. 9x7 9c motor will go about 23 mph on 36v. A 6x10 will only go 15 mph on 36v, but it will climb hills with less overheating.

6x10 on 72v makes a nice bike.

[Punx0r]

Dang it. Now I'm wondering if I should just order the magic pie kit. Is the internal controller really that useless?

[chilledoutuk]

the kits for front wheel are all in stock still there on a different page to the rear kits.

yes the internal controller is a pain tbh an magic pie with an external controller or rewired for an external controller would be a really nice torqy motor but the wimpy internal controller limits its capability too much.

[Punx0r]

I suppose what I'm really asking is: is the internal pie controller so much worse than the controller that comes with the 901 kit?

I'll end up upgrading controllers anyway at some point, but I just want to get a kit fitted and working for a while on the standard controller. If the pie controller isn't going to give me 1Kw cont. or be unreliable due to heat or design then it makes the pie kit less desirable, as I'd be paying a kit price effectively just for the motor.

I just want to order something so I have a new toy to play with soon

[chilledoutuk]

put it simply the internal controller on the magic pie is built in which means if you want to use another controller you will have to dismantle and rewire your motor. Not something I would recommend to a newbie.

[Kirk]

I bought the 901 GM kit. The external controller is ok if you don't push it past 1200W burst. It ran my recumbent trike down the road at 28 mph with no trouble using around 600W at high cruise. controller lasted about 6 months, then it was time to replace it with a Lyens. Smoked two of the FETs so hard it melted solder. It is now a deceased controller. Go with Lipo batteries a Lyens controller with that motor and you should do OK.

[Punx0r]

Perfect, thanks

Good point, chilledout - I hadn't realised I'd have to disassemble the motor.

[John in CR]

The best place to buy a hubmotor is locally from someone selling an ebike or escooter with dead batteries, or a loose wire, or not running for whatever reason than the motor. Get yourself an ebike tester and you could easily test the motor before buying.

The next best place is from someone here on the forum in the For Sale Used section.

Your money goes a lot further this way.

John

[Caliban]

I've bought 2 gm 901 kits from Devi Motion - no problems. The 901s seem to be the typical generic Chinese 1000w hubs. The gm external controller looks like it came out of an Xmas cracker but is "feature rich" and seems to be indestructible at design voltages. It also seems to deliver as specified, 30 amp peak, 20 amp sustained. Good for about 30mph at 48v. The one caveat is if you want to run a rear disk, the supplied hub adapter is 6 bolt but not spaced to the ISO spec so get their rotor.

[Punx0r]

John,

Unfortunately ebikes seem surprisingly rare around here. Bikes/scooters over the 250W limit are even rarer and I've not seen anything suitable for sale secondhand at a reasonable price.

I did browse the For Sale section on here, but nothing available atm.

I'll keep and eye out for future upgrade parts.

Caliban, thanks for the reassurance

Do you happen to know if this is the disc I need?

http://www.devi-motion.com/webshop/acce ... 160mm.html

It's the only one they sell, so I'd hope so.

Ant

[Caliban]

I was assuming that if they sell the disc it would fit their adapter which would fit their hub. But it would be worth checking with the guy at Devi motion (Denis?). I had to drill and tap mine to suit a standard disc rotor- not so easy to keep it perfectly aligned.

[Punx0r]

I ordered the kit and disc yesterday so hopefully it'll fit. Otherwise I'll make it fit