Eric Roy's1983 Grumman Kurbwatt

Owner	Eric Roy
Location	Yelm, Washington United States ^map
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Vehicle	1983 Grumman Kurbwatt Grumman Olsen
Motor	General Electric 5bt1346b51 Series Wound DC 23 hp 99.4 volt
Drivetrain	VW 5 speed transmission
Controller	Curtis 1221? 84-120volt 400amp
Batteries	16 NAPA 284, 6.00 Volt, Lead-Acid, Flooded
System Voltage	96 Volts
Charger	Just a big transformer with a full bridge rectafier
DC/DC Converter	Curtis
Top Speed	50 MPH (80 KPH)
Acceleration	Good acceleration till 40 mph. Then slowly kreeps to 50 mph
Range	50 Miles (80 Kilometers) Factory said 50 mile range for 84 volts. So far at 96 volts I did 45 miles when travelling at 45 miles per hour.
Seating Capacity	2 adults
Curb Weight	2,500 Pounds (1,136 Kilograms)
Additional Features	All aluminum body and it has a solar charging system on the roof which looks like it's charging the main battery pack. I'm hoping for some one to let me know more about this little Grumman. It's a really neat little van.

1983 Grumman Kurbwatt“Kurby Goes Electric!”