Rear Battery Rack
OwnerTim Fulton
LocationGermantown, Wisconsin US map
Web/EmailWebPage email image
VehicleSimplicity BroadMoor 728
Early 70s riding mower.
MotorBaldor Series Wound DC
7"
Nameplate: 1.6HP 24V 3200RPM
ControllerGeneral Electric
Contactor
Batteries3 Remy DC-29, 12.00 Volt, Lead-Acid, Flooded
Group 31 150Ah
System Voltage36 Volts
ChargerSchumacher SC-6500A
I just use a Schumacher 12V charger and charge one battery at a time.
Instrumentation200A ammeter
Curtis Instruments Unigage voltmeter
Conversion Cost~$500 total

Batteries = $295
Mower deck rebuild (bearings) = $120
Pulleys = $35
Battery rack material = $35
Misc. hardware = $15
Rest = Free (freecycle.org and buddies at the local EV club)
It is a very simple setup. The motor spins pulleys just like the gas engine did. Turn it on, use the existing clutches to get things working.

10/21/09 - Got the new Remy DC-29 batteries.
11/02/09 - Started making battery racks.

code by jerry