Motor #3Motor insidesPrototype 2MountedWattageNew moduleHeadlight
Ownercharlesg
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Razor Electric Punk
LocationCambridge, Massachusetts United States map
Web/EmailWebPage email image
VehicleRazor A3
Slightly modified Razor kick scooter with an appended electric propulsion system
Motor Brushless DC
Custom machined and wound 125mm diameter BLDC motor
Controller 100A HV Opto
sensorless airplane controller
Batteries8, 29.60 Volt, Lithium-Polymer
8 cell internal Li battery
System Voltage30 Volts
HeaterToasty batteries
Top Speed15 MPH (24 KPH)
Range4 Miles ( 6 Kilometers)
Theoretical: 5
Actual: About 4
Watt Hours/Mile30 Wh/Mile
Seating CapacityStanding room only
Curb Weight14 Pounds (6 Kilograms)
Extremely lightweight due to battery technology and light materials.
Tires5" scooter wheels
Conversion CostAbout $600 total for R&D
Investigating custom BLDC motors for direct drive applications, specifically in ultra-compact, stealthy electric vehicle systems.

Video of prototype motor 1 on Youtube:
www.youtube.com/watch?v=NazDiO1aarI

Video of prototype motor 2
www.youtube.com/watch?v=07FmvP23T2w

First test run:
www.youtube.com/watch?v=h5e-ad1cz90

code by jerry