S&S scooter
OwnerSvetozar Sevov
Owner's Other EVElectric bike
LocationHaskovo, Haskovo Bulgaria map
WebWebPage
Vehicle2012 Homemade scooter
Motor 36v, 500W DC Motor Permanent Magnet DC
Four brush motor.
Controller Home made
The controller uses six IRFP 250N Mosfets. PWM is around 3kHz
Batteries3 any, 12.00 Volt, Lead-Acid, Flooded
Old car batteries - different make
System Voltage36 Volts
Charger Home made
50A thyristor charger with desulfation.
HeaterNone
DC/DC Converter
None
Instrumentation10 LED bargraph battery monitor
30A ampermeter
Top Speed25 MPH (40 KPH)
AccelerationAverage, because of the heavy batteries, but I can still overtake cars from standstill.
Range8 Miles (12 Kilometers)
The batteries are old, but I get them for nothing.
Seating Capacityone and a half men :-)
Curb Weight160 Pounds (72 Kilograms)
Tiresfront - 20 inch - from bicycle
rear 12.
Conversion Time2 months
Conversion Cost50 Euro
Additional FeaturesRear shock
Front brake and rear disc brake.

code by jerry