Increase in seizures of illegal ebikes

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Mike_P

Legendary Member
Location
Harrogate
Not with a hub motor.
Whilst I am hoping for another 14,000 trouble free miles with mine, they do need human assist to actually get above 0mph going up steep hills. Efficiency is quite low on the steeper inclines, even with human assist.

Thats the advantage of a mid drive motor on a pedelec. Have left many a hub drive pedel behind once the road goes upwards.
 

albion

Legendary Member
Location
Gateshead
Maybe a visit to North York moors may sway your view somewhat.

Must have been near half a battery crawling up Lythe bank towards Saltburn.
Boulby bank is much the same as is the reverse out of Skinningrove.
The Staithes banks are relative light work.
 

Drago

Legendary Member
Thats the advantage of a mid drive motor on a pedelec. Have left many a hub drive pedel behind once the road goes upwards.

Yet in terms of climbing ability my (Suntour HESC+) hub drive was slightly better than my (Bosch) mid drive, a minor difference probably due to the rear drive simply having a slightly beefier output.

And at 270lbs im a serious test of any electric assistance.

Unless the terrain is so poor you need rear suspension, where it is not a good idea to locate the mass of a motor in the rear wheel, the placement of the motor makes no real difference.
 

Webbo2

Über Member
I've ridden there (decades ago on an over-geared bike. It was horrible.) Doesn't change my view that 20% hills are very rare overall. A few pockets here and there, that's all.

I think you should read Simon Warrens Cycling Climbs of Yorkshire. In the section described as East Yorkshire which includes the North York moors there are 15 climbs with gradients with 20% and above sections. Then there’s the Dales, South Yorkshire and West Yorkshire with their 20% plus climbs. Maybe you need to get out on your bike a bit more.😉
 
OP
OP
Dogtrousers

Dogtrousers

Lefty tighty. Get it righty.
I think you should read Simon Warrens Cycling Climbs of Yorkshire. In the section described as East Yorkshire which includes the North York moors there are 15 climbs with gradients with 20% and above sections. Then there’s the Dales, South Yorkshire and West Yorkshire with their 20% plus climbs. Maybe you need to get out on your bike a bit more.😉

Do you really think that just because there are some hills here and there in Yorkshire, that warrants an increase in the wattage of e-bikes?

20% climbs are very uncommon. There are hundreds of climbs that cyclists call 20% but most of them are only about 15. The few that there are really don't make a good argument for changing the laws on e-bikes.
 

Webbo2

Über Member
Do you really think that just because there are some hills here and there in Yorkshire, that warrants an increase in the wattage of e-bikes?

20% climbs are very uncommon. There are hundreds of climbs that cyclists call 20% but most of them are only about 15. The few that there are really don't make a good argument for changing the laws on e-bikes.

Could you show me where I said anything about increasing the wattage of Ebikes. My points have been that thousands of cyclists can ride at over 15 mph on a normal bike and there are hundreds of hills over 20% in the UK.
But because these are not in your weekly cycling routine they don‘t exist.
 

Pat "5mph"

A kilogrammicaly challenged woman
Moderator
Location
Glasgow
My points have been that thousands of cyclists can ride at over 15 mph on a normal bike
There also are thousands that cannot do this :smile:
I, for example, can ride on ice, so can a few on this forum.
That doesn't mean others, as cyclists, can, want, need to do the same.
Indeed I'm not advocating every cyclist worth its salt should have studded tyres on the ready!
 

Webbo2

Über Member
There also are thousands that cannot do this :smile:
I, for example, can ride on ice, so can a few on this forum.
That doesn't mean others, as cyclists, can, want, need to do the same.
Indeed I'm not advocating every cyclist worth its salt should have studded tyres on the ready!

But then I have climbed on ice but I can’t dance on ice but there you go.😉
 

Alex321

Guru
Location
South Wales
Not really, being able to travel(20mph) at what is generally classed now as urban, estate, town, city speed limit.

If you can travel at or near that limit it lessens the inclination of drivers wanting to do silly overtaking.

Going onto the amount of power 250 Watts will assist a rider perfectly fine on flat terrains, but is woefully lacking on steep inclines. 500W I would say is minimum to aid a rider to climb a steep hill without going into lung busting exertion. We are talking about casual riders who use their bikes infrequently.

Given that very few of us riding regular bikes can produce 250W for long, 250W seems perfectly reasonable unless you are wanting to make ebike riders climb hills more easily than fit regular bike riders.
 

Alex321

Guru
Location
South Wales
Bear in mind you would need towards 500 watts to maintain a gentle 6mph on a 20% hill.

Which very few people would manage unless it was only 50 yards or so.


Add the inefficiency of a 250 watt motor, a lot of work will usually still be needed to get up up a 8% hill.
8% is still classed as very steep.

What "inefficiency". The 250W is output power, not consumed power.

8% is fairly steep, but one that most of us if we are reasonably fit can get up at 7-8mph.
 
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