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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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Don’t stop the EV music

Electric Auto Association

His goal was to get 100,000 or more DIY conversion projects going,” agreed GEVA member Daniel Howard. Of course, this was while he was manufacturing and distributing parts for conversions.”. The only EV he was familiar with was a golf cart, so he tried playing around with that, and eventually converted a Beck into electric.”

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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.

Golf Cart 100
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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. By clicking on the images, you can get a much larger version of the pictures. 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.

Lead Acid 100
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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. 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. I found a funny shaped link in the kit, but could simply not get it to fit anywhere in the system.

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The Suspension is Here!

Porsche 914 EV Conversion

If you hadn't read before, the 18 8-volt golf cart batteries add 800 pounds to the weight of the car, so the suspension needs upgrading. The real gamble is how fast the rest of the kit shows up. I received the suspension parts from ElectroAuto today.

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