Schematic 1.7Bench setup for testing the motorCloseup of the DC-DC and fancy-shmancy tStripped frame with back sprocketElectric Mayhem!!
OwnerPeter Sienkewicz
LocationQuincy, Massachusetts United States map
Email email image
Vehicle1982 Yamaha XS400S
MotorPerm Motor PMG-132 Permanent Magnet DC
DrivetrainGear to gear. 71-tooth rear sprocket purchased from Sprocket Specialists (WebPage )
ControllerAlltrax 7234
Batteries6 Odyssey PC-ER40, 12.00 Volt, Lead-Acid, AGM
System Voltage72 Volts
ChargerProMariner ProNautic1250 C3
Two chargers (which services the six batteries) with home-made cabling, including fuses. (WebPage )
DC/DC ConverterSevcon 622-11082
InstrumentationPakTrakr for monitoring the status of the six batteries while riding. (WebPage )

EagleTree eLogger for 12V bus diagnosis, as well as motor RPM, motor and Controller temperature. (WebPage )

Westach Dual Ammeter for monitoring Current flow going to the Controller/ Motor while riding. (WebPage )
Purchased the rolling chassis from the guys at Extra Performance (WebPage ) in Dorchester, MA.

I'm trying to re-use as many of the parts from the original motorycle as possible, while making notable exceptions for safety and power-reduction.

Did all of my welding on a hired bench at Stoneybrook Fine Arts in Jamaica Plain. ( WebPage )

Emergency disconnect switch (250Amp) from
Albright (WebPage )

Tether Kill Switch from MPS racing (WebPage )

Custom front suspension (to handle the extra battery weight) from Works Performance (WebPage )

Tyco Kilovac EV200 and LEV200 for electrical contactors.

Magura Throttle 0-5K Twist grip

code by jerry