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Johammer J1 - And other electric powered vehicles...

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RhynoCZ
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PostPosted: 19:34 - 24 Apr 2014    Post subject: Johammer J1 - And other electric powered vehicles... Reply with quote

eBike from Austria...

Original link: https://www.motorkari.cz/clanky/moto-novinky/ostatni/netradicni-e-bike-johammer-j1-28101.html

On-board video: https://www.youtube.com/watch?v=jXatzPQYdMk
Promo: https://www.youtube.com/watch?v=7h3HuIdb9_Q
Interview: https://www.youtube.com/watch?v=DgNSl31pMGw

Specs: The engine is maintenance free and is located in the back wheel producing 11kw with top speed of 120kph. It does 0-100kph in 8sec.

J1.150 version: 8.3 kWh battery, 150km range, 2.5h to fully charge it up, weighting 159kg, estimated price: 23,000eur.
J1.200 version: 12.7 kWh battery, 200km range, 3.5h to fully charge it up, weighting 178kg, estimated price: 25,000eur.

https://img.motorkari.cz/upload/images/cache/clanky/2014-04/20140423140637-28101_jpgresize_1000x830__type_jpg_.jpg

https://img.motorkari.cz/upload/images/cache/clanky/2014-04/28101/20140423140723-johammer_j1_probably_the_world_s_most_stylish_electric_motorcycle_photo_galleryvideo_13_jpg_resize_1000x830__type_jpg_.jpg

https://img.motorkari.cz/upload/images/cache/clanky/2014-04/28101/20140423140722-johammer_j1_probably_the_world_s_most_stylish_electric_motorcycle_photo_galleryvideo_9_jpg_resize_1000x830__type_jpg_.jpg

https://img.motorkari.cz/upload/images/cache/clanky/2014-04/28101/20140423140723-johammer_j1_probably_the_world_s_most_stylish_electric_motorcycle_photo_galleryvideo_14_jpg_resize_1000x830__type_jpg_.jpg

https://img.motorkari.cz/upload/images/cache/clanky/2014-04/28101/20140423140723-johammer_j1_probably_the_world_s_most_stylish_electric_motorcycle_photo_galleryvideo_15_jpg_resize_1000x830__type_jpg_.jpg

https://img.motorkari.cz/upload/images/cache/clanky/2014-04/28101/20140423140724-johammer_j1_probably_the_world_s_most_stylish_electric_motorcycle_photo_galleryvideo_16_jpg_resize_1000x830__type_jpg_.jpg

https://img.motorkari.cz/upload/images/cache/clanky/2014-04/28101/20140423140724-johammer_j1_probably_the_world_s_most_stylish_electric_motorcycle_photo_galleryvideo_17_jpg_resize_1000x830__type_jpg_.jpg

https://img.motorkari.cz/upload/images/cache/clanky/2014-04/28101/20140423140724-johammer_j1_probably_the_world_s_most_stylish_electric_motorcycle_photo_galleryvideo_19_jpg_resize_1000x830__type_jpg_.jpg

https://img.motorkari.cz/upload/images/cache/clanky/2014-04/28101/20140423140724-johammer_j1_probably_the_world_s_most_stylish_electric_motorcycle_photo_galleryvideo_23_jpg_resize_1000x830__type_jpg_.jpg
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Last edited by RhynoCZ on 10:21 - 15 Jun 2014; edited 1 time in total
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Nexus Icon
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PostPosted: 20:14 - 24 Apr 2014    Post subject: Reply with quote

Why do so many e-bikes look like bad props from 70s sci-fi movies?

Ugly, IMO. There are faster, better looking and cheaper e-bikes already available.

The 2.5hr charge time is interesting but the bad outweighs the good in spades.
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thx1138
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PostPosted: 20:38 - 24 Apr 2014    Post subject: Reply with quote

is the saddle taken from a torture chamber?
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thx1138
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PostPosted: 20:40 - 24 Apr 2014    Post subject: Reply with quote

my in-laws have a variet of e-bicycles, and they are weird enough, they have a front wheel drive one which I nearly crashed cornering Laughing
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mentalboy
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PostPosted: 20:43 - 24 Apr 2014    Post subject: Reply with quote

That's a fucking abortion!
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Suntan Sid
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PostPosted: 00:28 - 25 Apr 2014    Post subject: Reply with quote

Styled on a pizza cutter, by the looks of it! Thumbs Down
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Vracktal
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PostPosted: 06:51 - 25 Apr 2014    Post subject: Reply with quote

Well it's slow and ugly, but at least it's expensive too.
(Retails for £20,600 based on the link above-before UK import taxes.)

By contrast, what I consider the absolute best electric bike you can buy at present, the Empulse R, retails for £15,000.

https://www.brammo.com/brammogallery_empulse/images/1.jpg

So... who in their right mind would buy the slug?
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G
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PostPosted: 07:49 - 25 Apr 2014    Post subject: Re: Johammer J1 Reply with quote

Hub rear motor.
Ideal for cheap transport. Lacking for riding performance - very much so at 11kw.

But then they're obviously aiming at the cruiser sort, so makes sense, maybe.
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dydey90
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PostPosted: 08:28 - 25 Apr 2014    Post subject: Reply with quote

If the product designer was a horse, they'd have been taken round the back and shot.

In fact, come to think of it the bike does look a lot like a horse itself...
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Bunny Lingus
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PostPosted: 21:41 - 28 Apr 2014    Post subject: Reply with quote

Hah! I like it...
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Jonathan A
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PostPosted: 22:02 - 28 Apr 2014    Post subject: Reply with quote

complete waste of money Neutral
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CBFcarl
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PostPosted: 16:27 - 14 Jun 2014    Post subject: Reply with quote

Got to be honest, I like it. Would have (if it was given, for £20k I could buy a lot more bike)...
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Aff
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PostPosted: 16:35 - 14 Jun 2014    Post subject: Reply with quote

11kW and 180kg. What's the point.
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G
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PostPosted: 16:50 - 14 Jun 2014    Post subject: Reply with quote

Aff's signature wrote:
CD200

Listed as a dry weight of 140kg - so getting on for 160kg in reality, with a full tank.
Listed at 12k, but 10kw seems more reasonable.

Not much difference there, to be honest - especially when you add in the weight of the rider and work out the differing power to weight ratios Smile.
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Aff
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PostPosted: 16:58 - 14 Jun 2014    Post subject: Reply with quote

CD is painfully slow though.

Also it cost a few hundred quid.

If I was making a bike that cost 25 grand I wouldn't even entertain giving it 125 power.

No only is it under powered and expensive but it would most likely cost more than a 125 to run.

I'm all for electric bikes, but things like this are just damaging the industry.

:edit: Also I would like to see a dyno for this. That motor must be wound very fast if its getting 75mph on 72V.
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G
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PostPosted: 17:10 - 14 Jun 2014    Post subject: Reply with quote

But look at it - why would you WANT to go fast on something like that?
And with having the powerplant in the back wheel - when this is the place anyone looking to improve handling and ride would be first looking to lower weight!

As with so many electric bikes concept vehicles, it's going for style over functionality.

They know they can't make it cheap, so they have to do something to make it stand out to the people with money to spend who don't care about performance - so outlandish styling makes a lot more sense than more power.
Not that I think it'll sell regardless, of course.
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Andy_Pagin
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PostPosted: 19:17 - 14 Jun 2014    Post subject: Reply with quote

Who was it that designed those hideous faired bikes in the 1950s that looked like an upturned bathtub on wheels? That leccy monstrosity makes them look positively beautiful. Epic sanity fail on the stylist's part.
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G
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PostPosted: 19:21 - 14 Jun 2014    Post subject: Reply with quote

I can see hub motors bringing us all sorts of weird and wonderful styling exercises - while in this case they haven't really departed from what they could have done with an ICE, it does offer the opportunity to get pretty 'creative' as you basically need batteries somewhere on the vehicle and a wire going to the powered wheel(s) - you don't have to worry about placement of the engine relative to the wheels as it is the wheel, nor routing of exhausts, cooling systems or so on.
(Some electric vehicles may well use active liquid cooling systems, but they probably won't be using hub motors.)
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Andy_Pagin
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PostPosted: 19:22 - 14 Jun 2014    Post subject: Reply with quote

G wrote:
But look at it - why would you WANT to go fast on something like that?


To get to where you are going before anyone sees you Laughing
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Rogerborg
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PostPosted: 20:41 - 14 Jun 2014    Post subject: Reply with quote

The good news is that they won't hear you either.

I'm chipping in with "sort of want". Hub mounted is fine with me, as are the whacko looks. However, given that leccy bikes are strictly limited to commuter or (brief) track roles, I'm not going to be paying more than £5K for one. Hopefully unsubsidised, but if I can get some of the money picked from my pocket back that way, I expect I can live with it.
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G
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PostPosted: 20:52 - 14 Jun 2014    Post subject: Reply with quote

Rogerborg wrote:
I'm not going to be paying more than £5K for one.


https://www.ev-propulsion.com/motorcycle-hub-motors.html
£763 + shipping/taxes.

Stick on a current bike and get a sprocket bodged on (some come with sprocket mountings) - add enough lithium (or Pb for cheapness if you don't care about weight) batteries on the pillion seat to get you to work and you've got a very usable hybrid that should cost you pennies for daily use (especially if you can charge at work Smile ), not annoy the neighbours etc - but still have half decent power and range with the ICE if needed.

Or get some old bike - maybe a sports bike - scoop out all the ICE stuff and fill the hole with used Pb batteries for VERY cheap commuting.

I'd still think Aff's electric push bike makes more sense for commuting, however.
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stinkwheel
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PostPosted: 00:16 - 15 Jun 2014    Post subject: Reply with quote

Why are all large electric bikes which have been manufactured to-date unfaired?

Air resistance is the enemy if you are exceeding 15mph. If you want your bike to have a high top speed, long range and good acceleration you need to make it slippery through the air.

Hell. They even used to put solid aluminium fairings on 50cc race-bikes.

If you want to be radical, enclose the front wheel. A full fairing of some sort is utterly necessary for an effective, efficient electric motorcycle.
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G
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PostPosted: 00:49 - 15 Jun 2014    Post subject: Reply with quote

Cost and weight of a fairing could buy more batteries?

I think at least one place has done a sports bike version.

If it wasn't for the safety aspect, a recumbent style would seem to make the most sense for efficiency - as you see for the eco-solar-battery-challenge-thingy vehicles.

But electric vehicles at these prices really isn't about anything but being different, I'd say. It's not cheap to use because of depreciation costs and the relative savings in the electricity bill will be minor.
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Hokum
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PostPosted: 08:32 - 15 Jun 2014    Post subject: Reply with quote

It looks like they are riding a sci fi slug...
https://www.paranormaldatabase.com/cornwall/images/MythCreatures_Pixies.jpg
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The Shaggy D.A.
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PostPosted: 09:46 - 15 Jun 2014    Post subject: Reply with quote

stinkwheel wrote:
Why are all large electric bikes which have been manufactured to-date unfaired?

Air resistance is the enemy if you are exceeding 15mph. If you want your bike to have a high top speed, long range and good acceleration you need to make it slippery through the air.

Hell. They even used to put solid aluminium fairings on 50cc race-bikes.

If you want to be radical, enclose the front wheel. A full fairing of some sort is utterly necessary for an effective, efficient electric motorcycle.


Aye, needs to be something like Craig Vetter's Streamliners :-

https://www.craigvetter.com/images/470MPG/Fuel_Economy/1981-Streamliner-w-vetter.jpg

I'd have one.
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