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Electric bikes.



 
 
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  #31  
Old February 1st 11, 03:36 PM posted to rec.bicycles.misc
dgk
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Posts: 827
Default Electric bikes.

On Mon, 31 Jan 2011 23:01:21 +0000 (UTC), Wes Newell
wrote:

On Mon, 31 Jan 2011 09:36:57 -0500, dgk wrote:

On Sat, 29 Jan 2011 01:41:43 -0700, Daryl Hunt
wrote:

http://i70west.com/cart/index.php?

main_page=product_info&cPath=65_69&products_id=24 3

60 lbs shipping weight! Yikes. 600 watts is a lot for a bike kit and
will never be street legal - those tend to be 20 mph max. Also, it's
front wheel so don't mount anything like this on an aluminum fork.


Legal depends on where you live. It's 20mph here, but in FL you can do up
to 60MPH if licensed (and nuts). 20 if not. I just ordered a 48v 500w
rear wheel system to try. It's rated at 21.7mph. With my 270lbs, I just
hope it will do close to 20. I just bought it to tinker so got the
cheapest I could find ($227.90 shipped, w/o batteries) that had decent
reviews. I've got 4 older 7-9 ah ups batteries I'll start with. With some
pedaling, hope to get 5 miles out of it.


Yes, I meant legal without having to license/insure.

Do you know how to hook up the batteries? I guess just in series no?
I've read all kinds of stuff about controllers being capable of
handling the voltage (amperage?) but don't know enough to be more than
dangerous.

My main issue with heavy batteries is that there is just no way that
it can be ridden as a normal bike. I would like to get another ebike
so my significant other can come on rides with me but that won't be
anywhere near as costly as my Trek. I use it every day. The SO will
use it pretty rarely.
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  #32  
Old February 1st 11, 06:00 PM posted to rec.bicycles.misc
Wes Newell
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Posts: 74
Default Electric bikes.

On Tue, 01 Feb 2011 09:36:54 -0500, dgk wrote:

Do you know how to hook up the batteries? I guess just in series no?
I've read all kinds of stuff about controllers being capable of handling
the voltage (amperage?) but don't know enough to be more than dangerous.

Yes, you just hook them up in series. Controllers have cutoff voltages.
The one with the kit I'm getting is 55V. Shouldn't be hard to modify if I
want to take the voltage higher for more power/speed, but probably won't
mess with it.

My main issue with heavy batteries is that there is just no way that it
can be ridden as a normal bike. I would like to get another ebike so my
significant other can come on rides with me but that won't be anywhere
near as costly as my Trek. I use it every day. The SO will use it pretty
rarely.


I'm going to put the kit on my spare bike. My wife can't even ride a
trike, much less a bike. No coordination at all. If this works out, I
might bet another 3 wheeler with a front hub kit and put some big ah
batteries in the back for range.
  #33  
Old February 2nd 11, 02:49 AM posted to rec.bicycles.misc
Tºm Shermªn™ °_°[_2_]
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Posts: 1,270
Default Electric bikes.

On 2/1/2011 11:00 AM, Wes Newell wrote:
[...]
I'm going to put the kit on my spare bike. My wife can't even ride a
trike, much less a bike. No coordination at all.[...]


She should be able to ride this bike with you:
http://www.bilenky.com/viewpnt.html.

--
Tºm Shermªn - 42.435731,-83.985007
I am a vehicular cyclist.
  #34  
Old February 2nd 11, 06:34 AM posted to rec.bicycles.misc
Wes Newell
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Posts: 74
Default Electric bikes.

On Tue, 01 Feb 2011 19:49:51 -0600, Tºm Shermªn™ °_° wrote:

She should be able to ride this bike with you:
http://www.bilenky.com/viewpnt.html.


Looks like a serious accident just waiting to happen. Besides, she's not
worth what that bike would cost.:-)
  #35  
Old February 2nd 11, 06:58 AM posted to rec.bicycles.misc
Tºm Shermªn™ °_°[_2_]
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Posts: 1,270
Default Electric bikes.

On 2/1/2011 11:34 PM, Wes Newell wrote:
On Tue, 01 Feb 2011 19:49:51 -0600, Tºm Shermªn™ °_° wrote:

She should be able to ride this bike with you:
http://www.bilenky.com/viewpnt.html.


Looks like a serious accident just waiting to happen. Besides, she's not
worth what that bike would cost.:-)


What is her trade in value then?

--
Tºm Shermªn - 42.435731,-83.985007
I am a vehicular cyclist.
  #36  
Old December 13th 12, 02:26 AM posted to rec.bicycles.misc
[email protected]
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Posts: 1
Default Electric bikes.

On Wednesday, 12 January 2011 07:55:19 UTC+13, Fred wrote:
"dgk" wrote in message
...
On Tue, 11 Jan 2011 12:37:15 +1300, "Fred"
wrote:

I think I might add an electric bike to my collection of trusty and rusty
two wheelers. . They look like a bit of fun with a practical use. Am
looking at the Trek sprint 7 or the Wisper 905. Anyone know much about
these
things? Or any other brands?


I don't know anything about a Trek Sprint 7, but I have the Valencia+
- just went past 3000 miles. The only problem I've had is breaking
spokes on that rear wheel with the hub motor. I'm supposed to get the
wheel rebuilt on Wednesday but a snowstorm will likely kill that for a
bit.

The bike makes the commute massively easier to deal with. No throttle
so it isn't a cheap motorcycle - well, at $2500 it isn't cheap at all.
But when I hit those big hills or nasty headwinds, I turn on 25-50%
assist and my knees sigh with relief.

Several years ago I bought a studded tire for winter riding but the
rolling resistance was so insane that I never used it. It's now on the
front of the Valencia because if I just leave the bike on 25% assist
it wipes out the rolling resistance (and a bit more I would think).

I went for the commuter type bike; lots of other folks seem to want
ebikes for greater speed (ie, over 25). By law most US states limit
ebikes to 20 mph. Those are considered to be bikes rather than motor
vehicles. Non-pedal things that look like bikes but go 20 mph aren't
bikes in my humble opinion.

If you want good info on ebikes, try

http://www.bikeforums.net/forumdispl...Electric-Bikes

or almost any forum here

http://endless-sphere.com/forums/


Thanks for interesting reply. Sorry but had my brain switched off. The
models I meant were the Wisper and the Ezee sprint 7 (not Trek). This might
be similar to the Valencia. I'm in New Zealand, and they are not common in
my city. These seem to be the best two available. Will have a look through
the site you sent.


Have you tried the new supplier from http://www.econobikes.co.nz/ they might be worth a try, the bikes look good and the prices are reasonable
 




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