Search found 51 matches

by savaoaknyc
Sep 10 2019 12:25am
Forum: E-Bike Non-hub Motor Drives
Topic: Sur-Ron - New Mid drive Bike
Replies: 4629
Views: 476768

Re: Sur-Ron - New Mid drive Bike

Hei Guys
what about the battery life after 1 year, do you see a big difference?i am not convinced that the pf cells are the best one for that bike.
by savaoaknyc
Jun 02 2018 3:41am
Forum: Battery Technology
Topic: Model 3 battery cell specs
Replies: 19
Views: 2037

Re: Model 3 battery cell specs

Hello Guys, i have read an article about the Model 3.So some of the German automakers have bought a used model 3 from gray market(fro 100k usd) and dissembled it .They came to conclusion that the parts to build the model 3 costs around 18k usd and additionaly 10k for the production or assembly of th...
by savaoaknyc
Nov 03 2017 12:36pm
Forum: Items for Sale - Used
Topic: Mondraker E-Panzer 2016
Replies: 0
Views: 442

Mondraker E-Panzer 2016

Hello Folks, i am selling my beloved fat bike E-panzer Mondraker 2016 Model with bosch performance cx.The bike is in grate condition around 1000km and has still warranty 1year.I have done some minor upgrades Garbaruk 50-tooth cassette it is the extender,so you could climb everything,right now doing ...
by savaoaknyc
Mar 24 2016 4:29pm
Forum: Battery Technology
Topic: 20700 cylindrical format cells, 4500-mAh
Replies: 42
Views: 10763

Re: 20700 cylindrical format cells, 4500-mAh

Yes,
i agree with you.From the hitech energy presentation we can see the coming 4700mah by samsung.So till 2018 we could see 5ah battery or even bigger in the 20700 or 21700 format
by savaoaknyc
Mar 24 2016 11:19am
Forum: Battery Technology
Topic: 20700 cylindrical format cells, 4500-mAh
Replies: 42
Views: 10763

Re: 21700 cylindrical format cells, Samsung

In the teslamotor club forum there was a link to payed paper.So there was stated that the new 20700 cells from the Gigafactory would be 4.5ah.So we are going to see it soon.One thing is sure, the coming years will be great for ebikes. They will get even cheaper and better.
by savaoaknyc
Mar 23 2016 2:26pm
Forum: Battery Technology
Topic: 20700 cylindrical format cells, 4500-mAh
Replies: 42
Views: 10763

Re: 21700 cylindrical format cells, Samsung

http://electricbikereport.com/e-bike-re ... batteries/

i think they are all the same.Here an article about samsung and lg.Lg forecasts in 2017 to have 4.8ah battery :D
by savaoaknyc
Mar 23 2016 1:53pm
Forum: Battery Technology
Topic: 20700 cylindrical format cells, 4500-mAh
Replies: 42
Views: 10763

Re: 21700 cylindrical format cells, Samsung

Hillhater wrote:Its a freeking CGI. ,!
Or do you believe batteries can hover in the air unsupported also ? :roll:
Has anyone even seen, touched , one of these mythical 21700 cells yet ?
Yes,
here the panasonic 4ah coming this summer
by savaoaknyc
Mar 18 2016 6:19pm
Forum: E-Bike Non-hub Motor Drives
Topic: Bewo, New Crank-drive Motor
Replies: 252
Views: 69509

Re: Bewo, New Crank-drive Motor

Have you tried to adjust it?
there are some options you could change in the controler, pas setting sensitivity, magnet quantity setting.But if you pedal for instance with 20kmh and stop pedaling, how long does it take till the motor stop??

Greets Sava.
by savaoaknyc
Mar 15 2016 5:27am
Forum: E-Bike Non-hub Motor Drives
Topic: Bewo, New Crank-drive Motor
Replies: 252
Views: 69509

Re: Bewo, New Crank-drive Motor

Hello to all owners of Bewo, please tell me about the pas functions.Does it work well, any lags?Can we reprogramm the controller like Bafang to set the pas functions as harmonious as possible.I have tried 2 BBS.The first was set really bad, with lags so if you stop pedalling the motor goes further f...
by savaoaknyc
Feb 24 2016 6:57am
Forum: E-Bike Non-hub Motor Drives
Topic: Panasonic 350W drives on EBay ?
Replies: 4
Views: 1151

Re: Panasonic 350W drives on EBay ?

http://www.bikipedia.de/wp-content/uplo ... ASONIC.pdf

read this, probably you will find the information needed.
by savaoaknyc
Feb 07 2016 1:34pm
Forum: Battery Technology
Topic: SAMSUNG INR18650-29E cycle test.
Replies: 63
Views: 11799

Re: SAMSUNG INR18650-29E cycle test.

From the german forum

at discharge rate of 5a from 4.2-2.8v after 400 cycles we have around 11% lost.
But there is another tests which has around 5.4% after 100 cycles at mixed discharge rate.Looking forward to see this test
by savaoaknyc
Jan 02 2016 3:53am
Forum: E-Bike Non-hub Motor Drives
Topic: Panasonic 350W drives on EBay ?
Replies: 4
Views: 1151

Re: Panasonic 350W drives on EBay ?

Hi, i have some panasonic drive bikes FLyer.So the controller is integrated in the motor.The performance is 400- 500w max.It has also integrated torque sensor.With the panasonic system, the assistance from the motor depends from your pedal cadence.You get the maximum assistance at lower cadence spee...
by savaoaknyc
Oct 08 2015 4:05am
Forum: E-Bike Non-hub Motor Drives
Topic: bosch classic ebike plastic gear
Replies: 27
Views: 9793

Re: bosch classic ebike plastic gear

You could try in the german ,,pedelecforum.de,, .There was someone who made some samples.Just go in the bosch section and ask.
by savaoaknyc
Aug 27 2015 2:03pm
Forum: Battery Technology
Topic: 20700 cylindrical format cells, 4500-mAh
Replies: 42
Views: 10763

Re: 21700 cylindrical format cells, Samsung

It is all about optimization and finding the best ratio between cost, energy, dimension.
by savaoaknyc
Aug 27 2015 3:37am
Forum: Battery Technology
Topic: 20700 cylindrical format cells, 4500-mAh
Replies: 42
Views: 10763

Re: 21700 cylindrical format cells, Samsung

and Flyer bikes are coming with 4ah cell for the 2016 model,which could be also a 21700 cell http://www.flyer-bikes.com/fit/index.php/en/fit-en.html There was a presentation of tesla which stated that this new format of cells would give 30% more energy.We have right now 3.5ah batteries 18650,with th...
by savaoaknyc
Mar 15 2015 3:18am
Forum: Battery Technology
Topic: Tesla Model S 18650 Cell Test Data
Replies: 65
Views: 12779

Re: Tesla Model S 18650 Cell Test Data

Do you have any temperature numbers at 10a discharge?I guess, the cell reaches around 60 degree ceslius.Thanks for the info.
by savaoaknyc
Jan 26 2015 2:22am
Forum: Battery Technology
Topic: Cell cycling device - any interest?
Replies: 19
Views: 1837

Re: Cell cycling device - any interest?

Guys, this is the right device i guess.I will buy it soon.http://item.taobao.com/item.htm?spm=a1z10.3-c.w4002-1829505349.69.MzLSiX&id=40416995130 .It has everything,what we need.I am not sure how accurate is it, but we will see.On the chinese battery forums, everyone is cycling and testing batteries...
by savaoaknyc
Jan 20 2015 5:00pm
Forum: Battery Technology
Topic: New Panasonic Cell ncr18650bd 3200mah
Replies: 248
Views: 37108

Re: New Panasonic Cell ncr18650bd 3200mah

Just for fun, added a 1A run of an LG E1 18650. Great energy capacity. Blue curve at the top. http://endless-sphere.com/forums/download/file.php?id=156266 Testing the three cells I got as I'm going to put three of these suckers into an LG G2 smartphone as a side project. Should be good for nearly 1...
by savaoaknyc
Dec 03 2014 6:21am
Forum: Battery Technology
Topic: Battery Testing with Calorimetry-Webinar
Replies: 8
Views: 906

Battery Testing with Calorimetry-Webinar

Hi guys, so most of you already watched this video about the lithium ion cells, https://www.youtube.com/watch?v=pxP0Cu00sZs tesla approach and so on .Now the next week there will be a web seminar about the calorimetry test of batteries.Here is the link, you can sign up its free. http://www.netzsch-t...
by savaoaknyc
Nov 11 2014 6:45am
Forum: EV Business World
Topic: TESLA to Plans to Build World’s Biggest Battery Factory!
Replies: 447
Views: 55006

Re: TESLA to Plans to Build World’s Biggest Battery Factory!

hei,

this is very enjoyable video to watch about tesla.
https://www.youtube.com/watch?v=EDCYoAQmmAA

in 6 years i'll buy the newest Tesla model.:D
by savaoaknyc
Sep 29 2014 8:29am
Forum: E-Bike General Discussion
Topic: 2 Speed Xiongda hubmotor
Replies: 1578
Views: 208280

Re: 2 Speed Motor

@ panurge Sorry about your bike![/quote] I'll have another soon, the fork is the only thing I haven't in stock....... First new thing will be a 200Db alarm and a GPS tracker, It will be better than my Abus Locking. Hei panurge , any idea about good gps bicycle tracker? Need it for my pedelecs,which ...
by savaoaknyc
Sep 22 2014 3:01pm
Forum: E-Bike Build Threads / Photos & Video
Topic: Latest road and single track weapon.
Replies: 136
Views: 47911

Re: Latest road and single track weapon.

Hi Kepler,
so what is the weight of the empty box??
by savaoaknyc
Sep 13 2014 1:22pm
Forum: Battery Technology
Topic: PANASONIC ebike battery change
Replies: 49
Views: 10395

Re: PANASONIC ebike battery change

Hi, great news , i also have a flyer c5 2009 with an old battery, i thought to buy a new one, but didn't know that i just could connect a random battery without the original bms and start the motor :D. How is the motor assistance with 8s???With my original battery it's not that great, while pedaling...
by savaoaknyc
Aug 17 2014 3:17am
Forum: E-Bike General Discussion
Topic: Eurobike 2014 thread
Replies: 112
Views: 24944

Re: Eurobike 2014 thread

new automatic gearsystem
weight-200 gram
fits to every bike

http://www.bike-eu.com/Sales-Trends/Pro ... -1577272W/
by savaoaknyc
Aug 17 2014 3:14am
Forum: E-Bike General Discussion
Topic: Eurobike 2014 thread
Replies: 112
Views: 24944

Re: Eurobike 2014 thread

here, new ebike kit made in germany,
weight 5.5kg with battery
price around 1000euro

http://www.elektrorad-magazin.de/nachri ... uest-motor