The Gears
OwnerRoss den Otter
LocationVancouver, British Columbia Canada map
Web/EmailWebPage email image
Vehicle1980 Honda CM400a
MotorBriggs and Stratton Etek Permanent Magnet DC
Drivetrain520 chain 15 tooth on motor shaft and 72 tooth on rear
ControllerAlltrax 4834
Batteries4, 12.00 Volt, Lead-Acid, AGM
50 amp hour, group 34.
System Voltage48 Volts
Charger accumate 12/24 volt
It's switchable between 12 volt 7amp and 24 volt 3 amp. I use
two of them and charge two batteries at a time.
DC/DC Converter
I use a separate 12 volt for the lights.
InstrumentationCycleAnalyst from
Works great. Tracks amp hours used, amp draw and a bunch
of things I've not set up yet.
Great instrument!
Top Speed51 MPH (82 KPH)
Not sure why... but I was able to hit 51 MPH today. I was
trying to keep up with a two stroke stinky scooter; perhaps
my bike had a point to prove!

Range16 Miles (25 Kilometers)
If I'm conservative with my speed.
Watt Hours/Mile86 Wh/Mile
EV Miles
Start:13,914 Miles (22,387 Kilometers)
Current:14,776 Miles (23,774 Kilometers)
Total:862 Miles (1,386 Kilometers)
April 26 2009

Controller let out the grey smoke. It's really important to have the pre-charge resistor
across your main contactor to keep your capacitors happy.

code by jerry