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Electric Sportbike   Message List  
Reply | Forward Message #483 of 844 |
Re: Electric Sportbike


It sure looks great, although I'm a little concerned to see the chain.
The chain was always the "weak link" (no pun intended) in the Lectra;
the high torque of the motor always stretched out even the sturdy
racing chains in a matter of weeks.

Has anyone made an electric motorcycle with a hub-mounted motor? I
notice that some electric bicycles (like Iacocca's) are made that way
and it seems to make the most engineering sense for electrics.

--Derek

--- In lectra@yahoogroups.com, "k4man2000" <k4man2000@y...> wrote:
>
> Has anyone seen this ? I emailed the guy and he says hes sold about
> 6 units. Its built off a custom frame and its the first
real-looking
> electric sportbike I've seen. Apparantly it uses a Briggs and
> Stratton brand E-tek motor which generates 8 hp continuous, 15 hp
> max.
>
> http://www.electricmotorsport.com/EGPR/egprPage.htm






Tue Feb 22, 2005 10:30 pm

ImprobableOf...
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Message #483 of 844 |
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Has anyone seen this ? I emailed the guy and he says hes sold about 6 units. Its built off a custom frame and its the first real-looking electric sportbike...
k4man2000
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Feb 22, 2005
7:44 pm

It sure looks great, although I'm a little concerned to see the chain. The chain was always the "weak link" (no pun intended) in the Lectra; the high torque of...
ImprobableOffense
ImprobableOf...
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Feb 22, 2005
10:31 pm

I agree, the best idea would be an electric hub motor. Unfortunately, the one's you can buy, are designed for bicycle use. AND, the one's that are suitable for...
wrumbarger@...
wrumbarger
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Feb 23, 2005
4:06 pm

I've seen it and ridden it -- it's nice. Re: Chains. A chain is the most efficient way to transfer power from a motor to a wheel -- more efficient than gears...
Scott Cronk
lectrascott
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Feb 23, 2005
5:47 pm

I agree with Scott. Being a sportbike enthusiast, one of the first major things when considering performance, is "unsprung" weight. The hub motor is great when...
Jim Leung
hk_jl
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Feb 24, 2005
12:39 am

As said before, The cool thing about chain combos is that you can mess with the gearing. If you want more torque, put on a bigger sprocket on the rear wheel....
k4man2000
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Mar 4, 2005
3:38 pm

A feature of hub motors (which seem to coming to dominance in the electrically augmented pedal bicycle arena) is the considerable mechanical simplicity and...
Michael Bosworth
boz1800
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Nov 20, 2005
11:58 am

IMHO, neither the brushed nor brushless hub motors are nearly as simple or have as low of a parts count as a variable-reluctance motor. The only issue is that...
bocabikeguy
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Nov 20, 2005
4:25 pm

I'd add to this by saying that I rode my Lectra at 50 mph consistently on Tucson city streets. EMB took an extra couple of teeth off one of the sprockets in...
ImprobableOffense
ImprobableOf...
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Nov 20, 2005
9:28 pm

Hi Mike Just wondering if any of the group has seen the Jan 06 issue of Walnecks Classic Cycles magazine? It has an article on page 136 & 137 about a 1977...
larry ice
ltcice
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Nov 20, 2005
7:23 pm

Hey Iceman, Can you scan that article so that we can see or e-mail it to me? Lyle...
slodown27
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Oct 31, 2006
8:46 am

Hi Lyle Sorry don't have the mag anymore. thnx Iceman ... ____________________________________________________________________________________ Get your email...
larry ice
ltcice
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Oct 31, 2006
12:57 pm

There is one by Transitron at the Wheels Through Time Museum in NC. http://electricmotorcycles.net/modules/wordpress/?p=181 Still wish I had read that article...
slodown27
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Feb 10, 2007
6:18 am
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