Battery in for the first time!!!!All welded and almost readyThe battery pack done !!!Current stateLatest pictureLatest picture with the controller mountContactor S180
OwnerRobin Almasi
Owner's Other EVs2006 Specialized Crystalyte A123
2005 BRM Racing Go Kart
LocationLongueuil, Quebec Canada map
Email email image
Vehicle2006 Schwinn Stealth 1000
Heavily modified OEM chassis.
MotorBriggs and Stratton Etek Permanent Magnet DC
48 Volt 300 Amps DC Brushed
Drivetrain#40 Chain 30 Tooth Wheel sprocket and 14 tooth motor. (2.14 final drive)(top speed about 80KM/H, but acceleration not as aggressive as 10 tooth)

Or 10 tooth on motor (seem to get much better acceleration(compared with 14 tooth) with top speed of 70KM/H

3:1 final drive (current one in use)
ControllerAlltrax 4834 AXE
48 Volt 300 AMP Programmable
Batteries400 Sub C 3500 mAh, 1.20 Volt, Nickel-Metal Hydride
400 Cells connected in series of 40 and 10 set in parallel(40 X 10)

48 Volts 35 Amp-hours

Total: 1680 Watt-hours

System Voltage48 Volts
48 Volt 40 cells charger (only one for now, I have to charge every set of 40 cells (10) one by one) Will get 9 other.
HeaterEtek motor
DC/DC Converter No need
Instrumentationwill add this later
Top Speed50 MPH (80 KPH)
with the 14 tooth sproket, I get 40MPH with 10 tooth on motor.
AccelerationWith fresh charge it get to 40MPH in about 3 second
Range20 Miles (32 Kilometers)
Watt Hours/MileDidn't test yet
EV Miles
Current:10 Miles (16 Kilometers)
Seating Capacity1 adult
Curb Weight120 Pounds (54 Kilograms)
Tires12.5 X 2.125 (they look soooo small)
Conversion Time1 month (I started the project 1 year ago...but didn't have all the parts and the time)
Conversion Cost1200$ Battery + 500$ Original Schwinn Stealth + 650$ Etek + 350$ Controller + 80$ Contactor + 200$ machining...

About 3000$
Additional FeaturesBuilt very strong.
Hope that it will be reliable and that the Chinese battery will work good!

If you plan on assembling 400 Sub C cells .....take a week vacation!

Thanks to my friend Martin who did a lot of frame work and most of the welding!!!

I hope to show people that Electric doesn't mean boring and slow!


Video of a burnout


code by jerry