OwnerAlexandre Polianski
Owner's Other EVs1974 Vauxhall Viva
Electric Unicycle
LocationChristchurch, Canterbury New Zealand map
Web/EmailWebPage email image
Custom build space frame,1/2inch square tube.
Motor Permanent Magnet DC
24 volts 250 watt
DrivetrainDirect chain drive
Controller Rhino 110 amper
New Zealand made mobility scooter speed controller, gives options of regenerative breaking,energy recuperation on slopes,reduce speed option, self off on parking, park brake control, coded flashing light tells about vehicle state, fully programmable.
Batteries288, 1.20 Volt, Nickel-Metal Hydride
288 cells arranged in 16 battery packs connected in parallel.
System Voltage24 Volts
12/24 volt car battery charger.
Instrumentation30 volt voltmeter
Top SpeedCan go up to 30km/h
RangeCalculated up to 50km, did not tryed yet.
Seating Capacity1 adult
Curb Weight0
The weight dropperd down to 17 kg from 34kg (lead batteries), thanks to NI-MH.
Conversion TimeSpent one month
Conversion CostBatteries are revised ex police radio batteries bought from recycling place next to nothing: $1 for 18 cells,controller free,wheels $5, brakes $10, steel tube$25, Voltmeter $25, wires,fuses,switches,connectors $30.

code by jerry