57 MPH!ControlsQuiet and FastHeat Sink is CriticalSide ViewDischarge Curves for Various VelocitiesCost to Recharge $.18Throttle Lock
OwnerKraig Schultz
Owner's Other EVsHuman-Electric Hybrid
Sail Trike
2008 Custom BugE
LocationGrand Haven, Michigan US map
WebWebPage
Vehicle1975 Honda CB-125S
Converted Honda street bike.
Motor Perm-132 Permanent Magnet DC
Purchased from WebPage
DrivetrainDirect Chain Drive 12:40 Ratio
ControllerCurtis 1204-410 - Club Car Version 225 Amp
Burned up my Altrax 4834 after 500 miles due to no heat sink and hot rodding.
Batteries4 Fullriver HGL38-12, 12.00 Volt, Lead-Acid, AGM
Sealed Lead Acid, 38amp Hour
System Voltage48 Volts
ChargerZivan NG-1
Zivan NG-1 for charging at home. 2 Hours to 85% recharge, 8 hours for 100% charge. See data at WebPage Have cheaper, lighter, smaller charger mounted on bike rated at 4.5 amp. for emergency recharges during ride, and for topping off at work.
DC/DC ConverterSevcon 300 w
InstrumentationVoltage meter velcro'ed to battery.

Kill-A-Watt P3 meter used to measure actual power drawn from 120V outlet when recharging.
Top Speed57 MPH (91 KPH)
With 17:40 gear ratio and red fairing.
AccelerationOkay with 17:40 Gears max speed 57mph
Nice with 12:40 gears max speed 52mph
Range25 Miles (40 Kilometers)
Range at 22mph = 35 miles
Range at 28mph = 25 miles
Range at 37mph = 15 miles
Watt Hours/Mile72 Wh/Mile
"Kill a Watt" recharging measurements (1.81 kwh / 25 miles) indicate an average of 72 Whr/mile.

EV Miles
Start:2,698 Miles (4,341 Kilometers)
Current:4,045 Miles (6,508 Kilometers)
Total:1,347 Miles (2,167 Kilometers)
Seating Capacity1 adult
Curb Weight280 Pounds (127 Kilograms)
Original Gas Powered Weighed 170#

120 pounds of batteries
24 pounds of motor
TiresOriginal OEM spec.
Conversion Time?? Weekends and Evenings February to April 2007.
Conversion Cost$2,400 Electrics (Motor/Controller/Batteries/DC-DC Converter, Charger etc.) plus $550 to purchase and rebuild motorcycle frame (bearings, tires, seals, aluminum, hardware, brake pads, fairing, etc.).
Additional FeaturesAdjustable Throttle Response (0-10K Potentiometer in parallel with twist grip) to limit throttle response (for controlling max speed and for loading into my van, and works great with throttle lock to give fine control over cruising speed).

Mechanical Throttle Lock.
August 2008 Updates:

Added pictures of throttle lock.

Using Kill-A-Watt P3 meter to measure actual cost of recharge from 120V outlet. It only weighs 5oz and is nice way to verify actual energy consumption when charging. Added data related to recharge time, cost, etc. to my website. WebPage



July 2008 Update: Updated information on PERM-132 brush maintenance. See link below for updated information on brush maintenance...

WebPage

code by jerry