|Vehicle||1989 Yamaha TZR |
Light motorcycle conversion.
|Motor|| Brushless DC|
DIY Axial flux 3-phase DC, 20kW peak.
instruction book available at WebPage
|Drivetrain||14-45 sprocket chain drive.|
|Controller||Kelly KBL 48601|
Easy to use and to program
once you got it installed.
Lacks low rpm power.
I have now changed from the Kelly to 7xHobby City 120A ESC (180A 30sec = 1260 A peak!)
|Batteries||11 Thunder Sky 90Ah, 3.20 Volt, |
LiFePo4 3kWh battery pack.
|System Voltage||36 Volts|
|Charger|| Unknown Chinese |
E-bay LiFePo charger, 42V 8A, seems to do the job alright. I have a couple of single cell LiFePo charges to balance cells if needed.
|DC/DC Converter|| |
Transelectric DC/DC converter
18-55V wide range input, 13.8V output.
|Instrumentation||Cycle analyst, a truly great |
|Top Speed||65 MPH (104 KPH)|
Good in the 40-80km/h range.
7x Hobbycity/Hobbywing 120A ESC:
Nice, 0-100km/h in 8-9sec, the batteries are now the limiting factor.
Videoclip 0-65mph 26kW(!) peak: WebPage
|Range||30 Miles (48 Kilometers)|
40-50km 80% DOD.
|Watt Hours/Mile||90 Wh/Mile |
With Kelly: 50-60Wh/km
When I ride the bike fairly gentle on a route with mixed speeds, 30-50-70 km/h, the cycle analysts calculate the energy consumption to 48Wh/km. Average speed on this specific run was 45km/h and max speed was 78km/h.
Riding the bike faster and more aggressive will result in a energy consumption in the 60Wh/km region. City driving stop-and-go, results in 51Wh/km with the Kelly, and 48Wh/km with the 7xESC setup in "Delta" and
45Wh/km with a motor winded "Star".
|Seating Capacity||2 adults|
|Curb Weight||310 Pounds (140 Kilograms)|
140kg, 9kg over original stock weight.
|Conversion Time||1 Year, which includes testing and development of the electric motor.|
|2010-05, It is now registred and insured as a electric motorcycle.|
With the 7x120A setup, you have to keep an eye on the motor temperature. Better acceleration is great fun but it does heat up the motor considerably.
Nothing new really, just enjoying my commute to work!
The hobby ESCs seams to hold up pretty well.
Another wonderful "electric" season has now come to an end.