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  4. Which electric motor is best for electric bikes and scooters?
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Which electric motor is best for electric bikes and scooters?

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Offline alancalverd

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Re: Which electric motor is best for electric bikes and scooters?
« Reply #60 on: 19/10/2020 14:12:27 »
There's much to be said for the lead-acid battery if you aren't too worried about energy density: easy to recycle, very predictable, resilient charging regime, and they don't selfdestruct as spectacularly as lithium. Clearly not much use for a bike but the minimal 4-seat town car is a good idea.

The G-Wiz got a bad press in the UK but was probably released ahead of its time and into the wrong market. Adding some crash protection would make sense, and if you could recharge it with an on-board diesel generator running at optimum efficiency (constant power, lean burn)  you could reduce a lot of urban pollution (mostly caused by accelerating i.c. engines)  without having to introduce any new infrastructure.
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #61 on: 09/11/2020 17:43:12 »
I certainly like the idea of having an electric city car like the Citreon AMI which if needing to go out of town on a long journey could tow a hired generator behind it which charged up the battery continuously turning it into a hybrid. 
Or possibly we could fix the generator on the roof rack which would be environmentally friendly in town but allow the driver the opportunity to be a normal hybrid when out of town without worrying about recharging battery delays.   
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #62 on: 09/11/2020 19:39:11 »
Given the profound incompetence of the average motorist, the idea of citydwellers  storming around country lanes (where the accident rate per vehicle-mile is already higher than any other roads) towing a trailer or with a heavy load on the roof of a tiny car, is appalling. Worse, there would be an outward rush every evening as they drove off into the suburbs to recharge their batteries in the once-clear air of the countryside.
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #63 on: 10/11/2020 17:34:32 »
We need to keep coming up with new ideas of how to be more economical and environmentally friendly.  Hybrid SUV are an expensive polluting disaster and should be banned from our city streets immediately.  SUV are okay for farmers and builders but why use one to take the kids to school.
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #64 on: 10/11/2020 21:38:58 »
Quote from: acsinuk on 10/11/2020 17:34:32
SUV are okay for farmers and builders but why use one to take the kids to school.
So, farmers and builders need to buy a second vehicle- just to take the kids to school.
Doesn't seem very "green" to me.
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #65 on: 10/11/2020 22:38:11 »
Quote from: acsinuk on 10/11/2020 17:34:32
Hybrid SUV are an expensive polluting disaster and should be banned from our city streets immediately. 

Unless you want some building work or food, that is. But SUVs aren't a lot of use for builders or farmers - pickup trucks or big vans are better for moving tools, bricks and animals. SUVs are for showing how much you care about not exposing your children to sun and rain, or mixing with the Great Unwashed on the bus.
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #66 on: 13/11/2020 17:18:57 »
We should rename SUVs as Super Unfriendly [ both environmentally and economically] Vehicles. How are we going to deal with global warming if people use them as runabouts?
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #67 on: 13/11/2020 17:48:19 »
Quote from: acsinuk on 13/11/2020 17:18:57
We should rename SUVs as Super Unfriendly [ both environmentally and economically] Vehicles. How are we going to deal with global warming if people use them as runabouts?
Raise fuel duty?
Polluter pays.
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #68 on: 14/11/2020 16:17:58 »
Yes, raise fuel prices and also vehicle tax to be set in grams per kilometre. Cars £100, SUVs £200 etc. Pure electric vehicles £20 as some can be charged up using wind or solar power..
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #69 on: 14/11/2020 17:46:57 »
Vehicle tax is pointless. It penalises low-mileage essential users (rural grannies) and has no effect on megamile gas guzzlers. Fuel duty is a very efficient tax, and essential business users effectively reclaim it as an expense. 
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #70 on: 15/11/2020 20:19:20 »
Problem is we need to be able to use lorries at a reasonable rate but suppose it will still be cheaper than rail and triple handling anyway.
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #71 on: 15/11/2020 20:53:59 »
Quote from: acsinuk on 15/11/2020 20:19:20
Problem is we need to be able to use lorries at a reasonable rate but suppose it will still be cheaper than rail and triple handling anyway.
In principle, we can run lorries on "red diesel".
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #72 on: 09/02/2021 10:38:35 »
good question, I just wanted to take a motorcycle for myself, I need it to ride around the city, I don't want too powerful, I'm not going to drive it :D
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #73 on: 12/02/2021 07:22:02 »
Rear motors are best for riders wanting or needing more power, or those looking to incorporate a throttle. There are also some new electric road bikes with small 250W rear hub motors that can be very stealthy with an integrated battery for a clean, traditional appearance.
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #74 on: 06/12/2021 06:32:02 »
E bike is a new way for commuting. It is friendly to our live environment. I got one electric bike from spammybike,cog which really helps me
« Last Edit: 06/12/2021 08:41:27 by Colin2B »
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #75 on: 06/12/2021 08:42:42 »
Quote from: mearchd on 06/12/2021 06:32:02
I got one electric bike from spammybike,cog which really helps me
Another weak attempt to pedal goods. On y’er bike mate ...
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #76 on: 06/12/2021 20:49:51 »
In electric motorbikes Honda are leading the charge but China has already produced a 15 kW permanent magnet motor using a 15kWh lithium battery which is also suitable for city runabout electric cars at a very competitive price.
UK needs to start production of these electric micro cars to limit climate change and improve city air quality.
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #77 on: 16/04/2022 17:06:32 »
This government, and others of the same colour over the last 4 decades that I know of have steadfastly said that "near market" research should be paid for by the industry.
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #78 on: 13/05/2022 13:38:52 »
Yes, but the basic research should be funded by government grants to universities; such as Notts and the results published to the metal bashers in the Midlands to develop into small micro electric cars as a showroom product.
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Re: Which electric motor is best for electric bikes and scooters?
« Reply #79 on: 13/05/2022 18:09:21 »
Quote from: acsinuk on 13/05/2022 13:38:52
but the basic research
Was done my Faraday, some time ago.
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