mxus 250w

General Discussion about electric bicycles.
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s4turn
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mxus 250w

Post by s4turn » Dec 17, 2017 3:43 pm

just picked up a shop brought ebike for the wife
Mi6 model:
https://theclearanceshed.co.nz/ebikes/

I'm finding it cuts out around 25 ish km/h
I've removed the speed limiter in the settings, however the speed hasnt changed..

its a 36v 12.5ah battery with the rear hub mxus XF08 250w motor, no idea on the controller?
Display is omt-m3

I see its running 13a

are these motors just very slow in general? or can I safety increase the current?

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motomech
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Re: mxus 250w

Post by motomech » Dec 17, 2017 5:07 pm

The primary determinate of a system's top speed is battery Volts.
The analogy of an electric vehicle to a gas one quickly breaks down when examined but, on the surface can be illistrative.
Volts-Horsepower
Amps-Torque
Motor-The motor/Volts relationship is interdependent, and to some extent, it has a bearing on "power", but it's main contribution in regards to speed is gearing.
I plugged the numbers of the original post into the Ebike CA sim. using the FX07 low-speed motor and I got a top speed of 25.7 Kph.
It would appear you got exactly what you payed for.
Motomech

'03 Rocky Mountain Edge 2WD 260 Q100H frt and Ezee V1 rear 2 Elifebike 20A & 25A 9-FET controllers 12S/20Ah Multistar Lipo rear 5Ah Turnigy frt Luna Cyclops Extra lite Alex 24DM rims, 2.4 Holly Rollers run ghetto tubeless. 25 mph. Mean Well HLG-320H-48A
https://endless-sphere.com/forums/viewt ... =3&t=83430
'07 GT Idive 4 4.0, Q100C 201 12S LiPoly elifebike 9-FET 17A controller. 20 MPH.
https://endless-sphere.com/forums/viewt ... 8#p1237928

s4turn
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Re: mxus 250w

Post by s4turn » Dec 17, 2017 7:40 pm

oh well, the wife is happy with it. I wasnt too impressed. :(

but we got it for $1299 NZ

markz
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Re: mxus 250w

Post by markz » Dec 17, 2017 9:47 pm

$1300 aint bad in NZ because its basically the same as CDN$.
It could be the KV is very low, rpm/volt, which means it has a high "Turn Count"

25 is slow, for casual riding I like 30-35kph, cruising the city park pathways and such. But then when I hit open road, I like to go 45-50 but not much more then that. Once in a while I like to go 50+kph.

Her range would be something like 430wh so 15wh/km, so 30km. Its good to do a few test runs to see how far you can go.

You can download apps on your phone to check it out. I just downloaded a few random ones and they seem to all be the same.

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eCue
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Re: mxus 250w

Post by eCue » Dec 18, 2017 2:31 am

25 is not a bad speed for a lady rider at 30 things start to happen faster.cars pulling out in front of etc ect
Solar charge station on wheels = distance not limited by the wall sockets :D

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