Main Mightyboy ImageRear of uteInterior 1 ImageBattery housing ImageRear Tailgate 1
OwnerBruce White
LocationAdelaide, South Australia Australia map
Web/EmailWebPage email image
Vehicle1985 Suzuki Mightyboy
A very complete log of this project is documented at www.mightyboyev.com - enjoy...
MotorAdvanced DC Model 203-06-4001 Series Wound DC
DrivetrainClutch less using only 4th gear and reverse
ControllerAlltrax Alltrax 7240 controller
Using linear trottle curve and half-speed reverse feature
Batteries6 Power Sonic PG-12V103 (actual spec is 111Ah @ 20 hour), 12.00 Volt, Lead-Acid, AGM
System Voltage72 Volts
ChargerDelta-Q Technologies 912 - 7200
Using Algorithm 42 for these batteries...
These can be paralleled - so looking at adding a second charger both for a fast "bulk" charge phase and to have some redundancy in case one fails.
Heater72 volt PTC Ceramic heat unit
DC/DC ConverterSevcon 72 Volt - 12 Volt
Full time connection to pack
Instrumentation200 Amp LCD Meter, Cycle Analyst (High Voltage/High Current version) and Tacho with motor speed limiter set to 5,000 rpm
Top Speed55 MPH (88 KPH)
Keeps up with city traffic very very well
AccelerationMuch better then the ICE was - can be very quick to 50 km/h if you don't want the longer range
Range25 Miles (40 Kilometers)
@ 50% DOD
All depends on how you drive it... I don't plan to use it under 60% DOD. I like the little Cycle Analyst - makes life easy - just need to remember to reset it after each full charge! For my use, as a second car, I only need 25 to 30 km range anyway...
Watt Hours/Mile88 Watt-Hours/km (or 142 w-h/mile)
(Very light and low rolling resistance)
Drive it harder and you get about 105 w-h/km (or 170 w-h/mile).... As measured using the "on- board" Cycle Analyst
The “At the wall” results depend largely on the SOC when charging starts:
At 80% SOC = 162 w-h/km (or 266 w-h/mile) at the wall
At 50% SOC = approximately 125 w-h/km (or 200 w-h/mile) at the wall
Seating Capacity2 adults
Curb Weight1,650 Pounds (749 Kilograms)
Tires400B x 12" Rims
155R12 Tire Size
Conversion Time10 Months (part-time)
Conversion CostAbout $7,500 Australian for the conversion plus the same again to completely rebuild the vehicle from scratch
Additional FeaturesSony Xplod sound system with Bluetooth hands free for the mobile.... Plus reverse sensors and beeper.
Fun project - Nice and drivable little urban runabout....

code by jerry