1978 Porsche 924 Electric
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Vehicle Specifications
Charging System
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Owner: Gary Dion
Location: Madison, Alabama
Base Vehicle: 1978 Porsche 924
Motor: Modified Advanced DC FB-4001 Arc shielded and potted endbell
Drivetrain: 4-speed Audi rear transaxle, front motor and clutch
Controller: Zilla Z1K-HV (1000A, 300V) and HairBall 2
Batteries: 16 Exide Orbital SLA purchased in May 2004 (500 miles so far)
System Voltage: 192 Volts
Charger: Custom individual battery charging/management system
DC/DC Converter: Curtis
Instrumentation: E-meter, Brush temperature, Tachometer, 12V battery voltage, Pack Status
Top Speed: 100 MPH... with the sunroof on, the windows up, and half a mile of straight road.
Range: 30+ miles at 50 mph (at least a mile at 100+, hehe)
Seating Capacity: 2 adults
Curb Weight: 2600 pounds with driver
Tires: P185 70-R14 Michelin Low Rolling Resistance
A special VDO Speedometer and Tach were used to update the
insturment cluster to a back-lit diffused and green colored display. The Speedometer has a LCD
display for the odometer and trip odometer. For the battery management system, a
VFD display has been mounted in the center of the dash. It shows total pack voltage,
as well as individual battery voltages. It also shows charger currents while
the batteries are being charged.
The Porsche remains flat around any level corner. This is due to the low battery
placement. The drifts are mostly neutral, some oversteer with no power, but while
applying light power it has a slight tendency toward understeer. Most days I use
50%-55% of battery capacity for my commute of 20 miles round-trip.
Last Updated: August 22, 2004