New Bosch drive system

Discussions related to motors other than hub motors.
This includes R/C motors, botttom bracket, roller and geared drives.

Re: New Bosch drive system

Postby outside » Tue Aug 09, 2011 3:28 pm

thanks Kevo,
I have understand, I hope all resolve fine for ES.
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Re: New Bosch drive system

Postby sk8norcal » Mon Sep 12, 2011 3:00 am



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Re: New Bosch drive system

Postby Lock » Mon Nov 14, 2011 2:16 pm

OnBikeX posted this German-language Youtube video on Sep 15, 2011 about the Bosch system:
http://www.youtube.com/watch?v=U_sEtV7XCh4


The caption to the vid on YT reads:
In 2012 wird es den Bosch Motor für E-Bikes auch in der 45 km/h Version geben. Wir sprachen mit Julia Patzelt über die Vorteile des Bosch Antriebssystems und erklären, warum weniger oft mehr ist.


Which Google translates as:
In 2012, it will give the Bosch motor for e-bikes in the 45 km/h version. We spoke with Julia Patzelt about the advantages of the Bosch drive system and explain why less is often more.


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Re: New Bosch drive system

Postby Matthijs » Wed Mar 21, 2012 8:14 pm

http://www.bosch-ebike.de/en/elemente/d ... unit_.html

It is here. The speed hack no longer seems to work. It would be nice if this system could be made faster. Bionic leg feel on your fast e-bike.
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Re: New Bosch drive system

Postby jmygann » Tue Mar 27, 2012 7:58 pm

48 V Semi-recumbent
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Re: New Bosch drive system

Postby awbiker » Wed May 09, 2012 11:10 am

This system looks amazing! Besides buying a whole bike? I think one of the new 45-50 km/hr models would be some serious fun! :D

Image
Image

http://www.electricbikeshed.co.uk/electric-bike-news/bosch-electric-bike-drive-system.html

Image
Image
Image

KTM is making a pretty sweet looking race version with it:

Image

I love the extra torque, balance, weight reduction, efficiency, and gearing control of the mid-drive motors. But until this point haven't seen one that appears to be so stealthy, quiet, and durable. Building it right into the crank should afford some decent weight savings too.

Does anyone know where I can get my hands on one? Suppose you'd probably have to butcher one of these nice looking production bikes and customize a frame.... sounds like a lotta effort. Any idea what the motor/battery/controller setup is worth on these? Looks to me from some of these bikes they're not overly expensive.
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Re: New Bosch drive system

Postby Hillhater » Wed May 09, 2012 8:54 pm

Hmmm ?
250 /500W max ( 15 A controller ?)
pedalec only
speed limited
8 Ahr battery
requires a custom /modified frame
Price.. ??? .. $2000 + ??

Why am i not excited ?
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Re: New Bosch drive system

Postby kevo » Fri May 11, 2012 8:24 pm

Nice photos AWBiker! :D
Thanks Justin of http://ebikes.ca for your amazing talents, dedication and contributions to ES!
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