Owner's Other EV2004 Kona Stinky
LocationDallas, Texas United States map
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Vehicle2007 Schwinn Trailway
MotorCrystalyte 408/4012 Dual wound Brushless DC
500 watt hub motor, over volted and running 800 watts
DrivetrainCrystalyte dual wound Hub motor, 408/4012
ControllerCrystalyte 7240
Modified from the vendor with 4110 FETs and ported for the Cycle Analyst.
Batteries2, 37.00 Volt, Lithium-Polymer
uses 2, 37 volt, 8.2 Ah Lipos that can be run in parallel or series, depending on my speed needs.
System Voltage74 Volts
No Idea what they are, but they came with the batteries, and they work. 2 amp, 37V
InstrumentationCycle Analyst
Top Speed35 MPH (56 KPH)
Range30 Miles (48 Kilometers)
Hasn't been fully tested yet. 50% capacity on the Lipo gets me 22 miles reliably.
Watt Hours/Mile14 Wh/Mile
Still working on improving this number
EV Miles
Current:800 Miles (1,287 Kilometers)
Seating Capacity1 adult
Curb Weight63 Pounds (28 Kilograms)
Tires700X42 rear, 700X38 front.
Conversion TimeI don't want to think about it.
Conversion CostI really don't want to think about it.
Built it to see if I could. My uncle returned from living in china 10 years ago with some story about people riding electric bikes over there. After he died, I remembered his story and looked them up. End result of my foray on google was this beast.

code by jerry