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7 posts

Wannabe Geek


  Reply # 2215653 12-Apr-2019 11:57
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robfish:

 

LiveM: That's the battery capacity, rather than the output - the controller's current output times the voltage is the power output.

 

Still not quite correct. Motor current x voltage gives power usage, not output. You still have to take into account the efficiency of the motor.

 

Also the power output of the motor is not the same as the power output of the scooter (the lawmakers will only consider the motor output power, not the input power)

 

 

This is why the regulations are so messed up.  It makes little sense and it has obviously been rushed through.  I suspect new guidelines will be issued over the next few months as electric scooters get more popular.




555 posts

Ultimate Geek
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Subscriber

  Reply # 2215677 12-Apr-2019 12:43
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I am not sure that anything has been rushed through. As far as I can tell, the law has not kept pace with the new technology.

 

I believe that LTSA did not even classify scooters as "vehicles".

 

Disclaimer: I have been wrong a couple of times in my life.





Rob

 
 
 
 


5 posts

Wannabe Geek


  Reply # 2215812 12-Apr-2019 15:10
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Fromt LTSA:

 

In order to meet the requirements for a low-powered vehicle... the motor must have a maximum power output not exceeding 300W.

 

Please note: the maximum possible wattage stated of the electric motor is not necessarily the same as the maximum power output of the e-scooter.

 

Maximum power output is determined by multiplying the battery voltage by the controller’s maximum amperage output. For example, a 600W motor and a 12V battery with a controller that has a maximum output of 21amps creates a maximum power output of 252W – so 252W is the relevant figure, even though the motor has a potential output of 600W.

 

I think this means that, while the stated wattage (sic) of the motor may be higher than the actual maximum power of the scooter, if the latter is under 300W it still complies? It is not that well stated, in particular because it says "252W is the relevant figure" yet this contradicts the first two lines.

 

My personal opinion is that the laws make more sense when there is a strong link between the scooter's power and its other parameters. For example, assumptions may have been made that models within the power limits would have a proportionate size, weight, and stability and be more suited to the footpath when looking at all these things together.


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Uber Geek
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  Reply # 2215938 12-Apr-2019 18:26
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jonathan18:

 

... I think I've found an ideal solution - they're called Winglights, with three models being sold by the manufacturer (Cycl) on Trade Me: they make plastic ones (Pop), metal ones (Fixed) and removable metal ones (magnetic). (There's also a rechargeable version, but that's 64 pounds from the UK site.)...

 

My question to any current users of Zero scooters - will the handlebar stem of these scooters (in particular, the 9) fit these lights? (They will apparently work with an inner diameter of 14.7-23mm) 

 

 

Haven't ordered these yet as still interested to hear from someone with a Zero 10 who can confirm that this model's handlebars would work with the Winglights - @robfish, @Dinga96, what do you think?

 

Thanks.


84 posts

Master Geek
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  Reply # 2217020 14-Apr-2019 17:26
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jonathan18:

 

jonathan18:

 

... I think I've found an ideal solution - they're called Winglights, with three models being sold by the manufacturer (Cycl) on Trade Me: they make plastic ones (Pop), metal ones (Fixed) and removable metal ones (magnetic). (There's also a rechargeable version, but that's 64 pounds from the UK site.)...

 

My question to any current users of Zero scooters - will the handlebar stem of these scooters (in particular, the 9) fit these lights? (They will apparently work with an inner diameter of 14.7-23mm) 

 

 

Haven't ordered these yet as still interested to hear from someone with a Zero 10 who can confirm that this model's handlebars would work with the Winglights - @robfish, @Dinga96, what do you think?

 

Thanks.

 

 

Sorry man I have no clue as to whether the 10 can be made to work with this mod.


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Uber Geek
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  Reply # 2218068 16-Apr-2019 12:10
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jonathan18:

 

I've been looking into a solution to the inability to safely indicate when riding a scooter. ... I think I've found an ideal solution - they're called Winglights, with three models being sold by the manufacturer (Cycl) on Trade Me: they make plastic ones (Pop), metal ones (Fixed) and removable metal ones (magnetic). (There's also a rechargeable version, but that's 64 pounds from the UK site.) ...

 

My question to any current users of Zero scooters - will the handlebar stem of these scooters (in particular, the 9) fit these lights? (They will apparently work with an inner diameter of 14.7-23mm) 

 

 

So I got a reply back from Freed rep, who has confirmed the Zero 10 handlebars have an internal diameter of 16mm, so these Cycl Winglights will fit; I've ordered the removable magnetic model, and hope they'll arrive around the same time as the scooter - will report back then as to how well they work out. (Edit: I assume they'll also fit the 9, but the 10X already has those things on the ends of the handlebars.)


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