Tronbike 1.0.2 NekkidTronbike 1.0.2 Nekkid2iTronbike Screen ShotTBM 4.x Arduino Based Prototype
OwnerTodd Stiers
LocationBerkeley, California United States map
Web/EmailWebPage email image
Vehicle1991 Kawasaki ZX-11 C
Formerly a 130 hp, 180 mph, 600 lb crotch rocket.
MotorBriggs and Stratton ETEK Permanent Magnet DC
The classic.
DrivetrainChain drive, #50 pitch, 10 tooth front, 71 rear.
ControllerAlltrax 7234P
Can handle 72 Volts, 300 Amps.
Batteries5 US Battery ub12550, 12.00 Volt, Lead-Acid, AGM
Planning for Lithium.
AGMs aging badly.
System Voltage60 Volts
ChargerSoneil 1212SR
5 of these, 1 for each battery, on-board and now removable via quick-connect.
HeaterCalifornia Sunshine
DC/DC ConverterAstrodyne SD100C
Input: 24-72VDC @ 1.5-2amp
Output: 12VDC @ 100 watt max
Isolated configuration, fused @ 2 amps on input.
InstrumentationTronbike Meter - from iPaq, iPhone, ARM and now Arduino based.

See WebPage for kit/plans/product Q3/Q4 2010
Top Speed45 MPH (72 KPH)
AccelerationGreat, low gearing in place (10 tooth front to 71 tooth rear). Had attempted 14 but sucked too many amps.
Range7 Miles (11 Kilometers)
Was 20, down to 7.25 as the pack ages.
Watt Hours/Mile123 Wh/Mile
8.1 miles/KW-hr stop and go < 40 mph

Miles per Watt Hr makes more sense as a unit comparable to MPG...
EV Miles
Current:250 Miles (402 Kilometers)
Seating Capacity2 adults, but I took off rear pegs to save weight and resist temptation (new rider myself)
Curb Weight450 Pounds (204 Kilograms)
(100 lbs LESS than wet-stock weight)
TiresOriginal, big and bad. Too big!
Conversion TimeWas running in 3 months from start, very stable after 11 months.
Conversion Cost$5550 for everything (bike, tools, screw ups, unused parts, insurance, training, riding gear).
Parts ~ $3600.
Additional Features* Removed center stand.
* Cut out/hollowed tank shell.
* Removable on board charger and extension cord.
* LED indicator lights and relay
* LED brake lights
* 35W HID H4 headlight
* 12 volt auxiliary plug and switch.
* Tank camera mount
* Custom instrumentation
* State-specific sound generator (EVRoom!) for rider and pedestrians
Check out my site for EV meters for Alltrax controllers! WebPage Q3/Q4 2010 as plans/kit/manufactured product

code by jerry