|Owner's Other EVs||2003 Bladez|
2012 Custom Croborg
|Location||Johannesburg, Gauteng South Africa map|
|Vehicle||2005 Kona Kahuna |
Full suspension mountain bike with a custom built ABS plastic battery box.
|Motor||Crystalyte x5305 Brushless DC|
The 5305 is the hill climber of the Crystalyte range. Lots of torque.
|Controller||Crystalyte 72v48A instant start|
The 18 fet model, seems to run more than the claimed 48 amps!
|Batteries||24 Headway 10AH, 3.20 Volt, Lithium-Ion|
The cells are 3.2v 10AH and weigh about 330 grams each. The whole pack weighs about 8kg
|System Voltage||77 Volts|
|Charger|| Headway 5A charger|
The charger was supplied by headway. I was lucky enough to get the 5A 550w model instead of the 2A model at no extra cost. This gives me a full charge in 2 hours. I also carry a much smaller and lighter kingpower 3A charger when I do long rides.
|Heater||Custom heater, burns calories and increases range.|
|Top Speed||40 MPH (64 KPH)|
Does about 65km/h on a flat road. 73km/h downhill, 55km/h uphill, pretty much regardless of how steep the hill is.
|Acceleration||Great, the 5305 gives a decent shove in the back. I pull away from most cars at intersections. Definitely faster to 50km/h than my 200cc yamaha.|
|Range||30 Miles (48 Kilometers)|
My normal riding style means 50km is easy to do. If I use it as a motorcycle then it'll only do 30km The most I've done so far is 68km and I probably would have managed another 6 or 7km before cutout voltage was reached.
|Watt Hours/Mile||20 Wh/Mile |
On a flat road at 45km/h I should do 30Whr/Mile. On the road with my general riding style I average between 10 and 12wh/km. More or less 16 to 20 wh/mile
|Seating Capacity||1 adult|
|Curb Weight||80 Pounds (36 Kilograms)|
|Conversion Time||3 months|
|Conversion Cost||$2000 including the used bike.|
|Additional Features||I have an Aurora P7 flashlight with bicycle mount as a headlight. Great light, puts out 900 lumens and has a flashing mode I use in daylight.|
|I built the battery box out of 3mm ABS plastic using acetone and a mixture of acetone with dissolved ABS as glue. Regular acetone glues fast, but the mixed solution forms a very strong weld like finish.|
A full charge costs me under $0.05 in South Africa!