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An Easy EV Conversion Kit For People

Open Source Civic EV Kit

After spending the past year and a half converting a Porsche 914 to an electric vehicle, I decided to expand my horizons by designing an open-source electric vehicle (EV) conversion kit for a commonly used car. There are already commercially available kits with excellent, detailed instructions for how to convert a vehicle.

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Battery Equalizer Schematics Rev 1.0

Porsche 914 EV Conversion

I'll have to modify the circuit with a voltage doubler in the final stage to work with 8-volt golf-cart batteries for the 914 EV kit. Big thanks to Max at and all the other supportive engineers at HP for designing this circuit. Any feedback on how to improve the circuit would be welcome.

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Measuring State-of-Charge on Lead Acid Batteries

Porsche 914 EV Conversion

The 914 AC kit uses 8V golf cart batteries and I'm wondering if different batteries like Hawkers or Optima Yellow-Top batteries would be better. Both US-Battery and Trojan have 8-volt golf-cart batteries. With the AC system, I'll probably be pulling less amps and am looking forward to the extended range.

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Ordering a Motor Adapter

Open Source Civic EV Kit

After some significant debate at the Civic-EV Google Group on whether to use a clutched or clutch-less system, I'm going to pursue using a clutched system for the initial revision of this kit. With a clutched system, I just order the shaft and transmission adapter from Electro Auto and everything is just done.

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More Delays

Porsche 914 EV Conversion

Over the past few weeks I've been trying to contact the folks at Electro Automotive to get the status of the EV 914 kit. They finally responded last night and apparently they're completely buried under the demand for EV conversion kits. He got one of the earlier DC motor kits for the 914 from Electro Automotive.

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Hauling Lead and Confusing Connections

Porsche 914 EV Conversion

These high-capacity 8-volt golf-cart batteries are 70 pounds apiece. Here is the battery strap designed for these kind of batteries. I got this battery strap at a Yamaha golf cart dealer. A modification of the prior strap is basically what is suggested in the DC kit instructions. The fuel compartment box.

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Ford announces Smart Mobility plan; 25 initial projects

Green Car Congress

The initial step is the creation of 25 mobility experiments across the globe designed to help change the way the world moves. Using Georgia Tech-owned golf carts to prove out the technology, a person sitting in a remote location can access real-time video streamed over LTE to drive the carts.

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