61-72 volts

andrew's picture

KZ750 Conversion

-Click here for more detail-

Unconventional aspects of this conversion:

● Horizontally opposed eteks wired in parallel
○ Coupling shaft drives sprocket

● Chain tensioner

● Batteries mounted horizontally opposed
○ Easy to access terminals

Lighting: 
Stock (planned HID upgrade)
Batteries: 
(5) AGM 35ah 12v: EVP35-12
Charger: 
Vector B&D 12v
Controller: 
400A Curtis, 1100 Amp Logisystems upgrade
Conversion time and cost: 
3 yrs on and off, >$4.5k
Curb weight: 
470
Drivetrain: 
13T drive 72T driven #40 chain, Custom chain tensioner
Location: 
Rio Rancho, NM
Miles as an EV: 
30
Motor: 
(2) Eteks horizontally opposed in parallel at 72v
Number of wheels: 
2
Seating capacity: 
2
Top speed: 
65 mph, much faster capable with different gearing
Typical range: 
10.5 miles
Watt-hours per mile: 
135
Method for 12v system: 
Vicor DC-DC Converter
Vehicle maker: 
Vehicle Type: 
System Voltage: 

Mad Magudaman's Trouble Maker

So my project has finally come to an end and I can finally reap the benefits of this great machine that has been constructed. To give you an overview of how I got to this point I will start for the beginning:

Heater: 
No
Batteries: 
Dewalt 33v A123 pack X4 2 series 2 parallel 4 ah at 66v
Charger: 
Dewalt Stock A123 Charger X2, Hyperion 1210i/A
Controller: 
Crystalyte Instant Start 20 amp 36-72v
Conversion time and cost: 
Frame prep(paint, components, Cleaning) = 18 hrs ; Electrical portion (wiring, installing, ect.) = 16 hrs COST = ~1000
Curb weight: 
58 LBS
Drivetrain: 
Hub Motor, Direct Drive
Location: 
Concord, CA
Miles as an EV: 
8
Motor: 
Crystalyte 409 Front wheel Hub Motor
Number of wheels: 
2
Seating capacity: 
1
Top speed: 
30 MPH
Typical range: 
6
Watt-hours per mile: 
33 WH/Mi
Method for 12v system: 
DC-DC Converter
Vehicle maker: 
Vehicle Type: 
System Voltage: 

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