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Anonymous

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Ped Baker  says:

Golf cart motors to power Roehr eSuperbike

US manufacturer Roehr have released further details of its two battery powered sportsbikes due to go on sale in spring 2010. Both machines use the same 35kilowatt AC motors originating from a company called Hi Performance Golf Cars. The Roehr eSupersport motor produces 48 horsepower, the eSuperbike with dual motors, 96 horsepower and 210ftlbs of torque. The batteries in the bikes are Chinese-made...

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  • Posted 5 years ago (27 January 2010 16:04)

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yorkshiremonkey

Joined:

Feb 09

Posts: 41

Apro Zorst?

Why does it have an exhaust?

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Pedbaker

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Sep 04

Posts: 46

Pedbaker says:

Exhaust?

The photo is of the 1250cc superbike. Photos of the electric motorcycles haven't yet been released.

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speedo007

Joined:

May 09

Posts: 508

speedo007 says:

I love these electric concepts. Green is the way to go. My only concern is not beeing heard by car drivers. Bikers are already vulnerable even with loud pipes...maybe sticking playing cards in the wheels like we did on our bicycles to make noise, might help :)

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spondonste

Joined:

Aug 02

Posts: 2737

spondonste says:

Hhmm......... range????

130-140mph at 30mph doesn't sound too bad but a cursory estimation suggests that means a range of around 65 miles at 42mph and only 32 miles if travelling at 60mph. At top wack i suspect its range could be in single figures.

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orkney_rob

Joined:

Jul 08

Posts: 4

orkney_rob says:

Noise?

Doesn't really make a difference - I met an old boy on a vintage big single today down a country lane - didn't hear him at all until I wound the window down.  That thing was LOUD when it went past, so I don't buy the needing noisy bikes for safety arguement.

The only barrier I see to these electric bikes/vehicles in general is the range and recharge time (on pure electric machines).  It makes them no use to me as I don't have power to my garage so can't recharge and quite often do much larger mileage per day than a battery can provide.  I shall watch developments with interest though.

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X1Glider

Joined:

Jul 09

Posts: 123

X1Glider says:

What range?

I guess I won't be doing any long distance touring on these eBikes.  No more 900 mile days.  I'd never get where I'm going if I have to stop for a recharge all the time and for who knows how long.

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Andy949494

Joined:

Feb 08

Posts: 817

Andy949494 says:

Crikey thats quick...

Both bikes will be in US Showrooms by April (Err you mean I could buy stock in 3 months time if I was American?). If thats the case shouldn't demo units be out there already and reviewed?

At the moment the range underlines that this isn't a good application (the Superbike idea)  for electric power - how many people who buy a 96BHP bike ride it at 30mph all the time? As a rough calculation if it needs 3HP at 30mph and 15BHP at 70mph thats a range of about 30 miles at 70. If you include the usual acceleration and breaking that shows agreement with spondonste. Its a horrific shame because I would dearly love to have a real electric motorbike and the price point its set at isn't too bad.

Fascinating project though and I wish them well. Particularly in the TTXGP.


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sack1

Joined:

Aug 02

Posts: 176

sack1 says:

Roehr eSuperbike

I know a lot of riders like to echo that loud pipes save lives but it's been shown that isn't really the case. It serves more as an argument for having them. It's being seen that the all important factor. While range is certainly a factor on these bikes can you imagine that kind of torque when you first turn the rheostat up?

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