adam75pl wrote:Yeah, I’d get electric van next time, I think...
Them damn batteries will cost a tad more than 78 sheckles though...
Lord Knobrot
adam75pl wrote:Yeah, I’d get electric van next time, I think...
knobby1 wrote:
adam75pl wrote:I get pack of 50 Duracell AA’s for £15 from Amazon... I think I’ll be ok
But seriously, I’m waiting for Custom Hybrid...
Think that’s a subject for another topic, sorry for spamming.
knobby1 wrote:adam75pl wrote:I get pack of 50 Duracell AA’s for £15 from Amazon... I think I’ll be ok
But seriously, I’m waiting for Custom Hybrid...
Think that’s a subject for another topic, sorry for spamming.
I've been thinking of an electric motorcycle for a few years now...still not totally sure though...and yes, it's a subject for another topic/thread.
Lord Knobrot
the dutch guy wrote:knobby1 wrote:adam75pl wrote:I get pack of 50 Duracell AA’s for £15 from Amazon... I think I’ll be ok
But seriously, I’m waiting for Custom Hybrid...
Think that’s a subject for another topic, sorry for spamming.
I've been thinking of an electric motorcycle for a few years now...still not totally sure though...and yes, it's a subject for another topic/thread.
Lord Knobrot
I have been building electric scooters and motorcycles for 3 years now. No need to wait.
the dutch guy wrote:Motor is dependant on the desires of the customer as prices vary wildly.
Controllers is usually a kelly due to relative low cost and ease of programming and sometimes a sevcon if they got money to burn. Mostly what i do nowadays is upgrading existing mopeds with serious battery and controller upgrades to make them really fast off the line. Like, 0-30mph in less then 6 seconds. Faster is no problem but then i have to replace the standard motor for something better thst raises the price quite a bit.
Not to many people are willing to burn ~15k on converting a petrol bike to a electric one so i mostly do mopeds and mountainbike upgrades and sometimes UPS battery upgrades so companies dont have change out a few grand worth of lead acid every year or 2.
Thequeenscheese wrote:There was some tidy electric scramblers on the last top gear pricey but looked good..
the dutch guy wrote:You need very high voltage in order to make a 70kW setup. It would also be impossible to control in any way. Trust me, 30kW is insane enough for a electric cart or even less. There is no way you can put down that amount of power. There is simply no tire you can buy that can handle the 1000+nm's of torkes being made by the motors. You would be in a infinite 4x4 drift. My daily driver moped has 5kW off the line with ~200+nm and i had to dial it back or fit a wheelybar in order to prevent doing a backflip in launch mode.
Please understand the difference between power and torkes. (Yes, i spell that wrong op purpose ) you dont need a 100bhp electric motor to keep up with a 100bhp petrol one. Thanks to the torkes the electric will always win if it does not spin out and do a mile long burnout. There is no way to beat the instant torke a electric engine creates.
Personally i would start out with 15 to 20kW if you go rear wheel only. My guess is that you need to dial it back on launch considerably in order to keep it under control. There are only a few controllers that have torke mapping built in to control the launch off the line in this manner.
If there is interest for professional advice in building such a setup then i can help. I can build the custum battery needed for such a project and asvise with the controller selection.
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