Author Topic: Had To Share This  (Read 835 times)

Mithion

  • Brammovangelist
  • *****
  • Posts: 241
  • Raised on a Harley but all about electric power!
    • View Profile
    • Email
Had To Share This
« on: May 23, 2012, 01:45:43 PM »
Yall may have seen this before but being a cruiser/Harley guy I had to share. Purely aesthetic purposes but still novel and cool!

http://emotorbicycle.com/

A V-Twin motor/battery setup that actually looks kinda cool.

Vibetrippin

  • Empulse Guru
  • ****
  • Posts: 139
    • View Profile
Re: Had To Share This
« Reply #1 on: May 23, 2012, 03:48:44 PM »
I absolutely love the look of these bikes. I just wish that I could find a price.

Mithion

  • Brammovangelist
  • *****
  • Posts: 241
  • Raised on a Harley but all about electric power!
    • View Profile
    • Email
Re: Had To Share This
« Reply #2 on: May 23, 2012, 04:20:35 PM »
I absolutely love the look of these bikes. I just wish that I could find a price.

Here is a link to a site where the builder posted threads for its entire build-

http://motorbicycling.com/showthread.php?t=19291

Also for the other board track bike-

http://motorbicycling.com/showthread.php?t=30233

Lots of info for both bikes.


Mithion

  • Brammovangelist
  • *****
  • Posts: 241
  • Raised on a Harley but all about electric power!
    • View Profile
    • Email
Re: Had To Share This
« Reply #3 on: May 23, 2012, 05:46:54 PM »
Now I am not too good with this electric stuff, just learning, but from what I read about this bike it uses 24 Headway 38120 10ah LiFPO4 batteries in a 12s2p set up at 36 volts running a 1000w/1kW motor

The claimed specs are

Range- 10 miles at 20mph
Top Speed- 37mph

Now like I said I don't know how to do this electric math but the way I did it was-

14 batteries at 10ah each= 140ah which = 5.04kWh

Operational Weight of Bike-70lbs

He really only getting a 10 mile range out of a 5.04kWh battery set up that's only running a 100w motor?

Why does that seem so low to me?

protomech

  • Brammovangelist
  • *****
  • Posts: 1987
    • View Profile
    • ProtoBlog
Re: Had To Share This
« Reply #4 on: May 23, 2012, 06:01:14 PM »
12s 2p is a 12 x 2 configuration of 24 cells.

Voltage is 12 x 3.2v typ = 38.4v
Amp-hour rating is 2 x 10Ah = 20Ah

Total capacity then is 38.4v x 20Ah = 768 Wh.
1999 Honda VFR800i | 2014 Zero SR
Check out who's near you on frodus's EV owner map!
http://protomech.wordpress.com/

Mithion

  • Brammovangelist
  • *****
  • Posts: 241
  • Raised on a Harley but all about electric power!
    • View Profile
    • Email
Re: Had To Share This
« Reply #5 on: May 23, 2012, 06:04:44 PM »
12s 2p is a 12 x 2 configuration of 24 cells.

Voltage is 12 x 3.2v typ = 38.4v
Amp-hour rating is 2 x 10Ah = 20Ah

Total capacity then is 38.4v x 20Ah = 768 Wh.

Indeed so I was completely wrong, it's only a .768kWh capacity than. Thanks.

Vibetrippin

  • Empulse Guru
  • ****
  • Posts: 139
    • View Profile
Re: Had To Share This
« Reply #6 on: May 23, 2012, 09:01:54 PM »
And with that math... he's actually doing quite well. :)