| Owner | Mike and Dave | ||||||
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| Location | Brisbane, Queensland Australia map | ||||||
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| Vehicle | 1990 Mazda MX-5 Sporty convertible with low centre of gravity and excellent road holding; original ICE was 1.6 L | ||||||
| Motor | Asea Brown Boveri 3-Phase AC Likely 22 kW, 2 pole, long 132 frame, Aluminium | ||||||
| Drivetrain | Standard 5-speed manual gearbox and clutch; considering 3.636:1 diff (in place of stock 4.3:1). | ||||||
| Controller | Control Techniques SP5402 75/90 kW with SM-Applications-Lite module | ||||||
| Batteries | 208 Skyenergy SE40AHA, 666.00 Volt, Lithium-Ion Sky Energy SE40AHA Lithium Iron Phosphate x 208 via bulk buy from EV Components: 666 VDC @ 3.2 VPC; 624 VDC @ 3.0 VPC | ||||||
| System Voltage | 666 Volts | ||||||
| Charger | unknown Will attempt to use the AC drive to charge the pack | ||||||
| Heater | Likely use electric water heater | ||||||
| DC/DC Converter | Planning to use existing alternator at this stage, else 2x 240 VAC 13.8 V power supplies in parallel across each half of the pack | ||||||
| Top Speed | 82 MPH (131 KPH) Assuming 3.636:1 diff | ||||||
| Acceleration | Unknown; aiming for better than original ICE | ||||||
| Range | 75 Miles (120 Kilometers) Rough guess | ||||||
| Watt Hours/Mile | Unknown | ||||||
| EV Miles |
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| Seating Capacity | 2 adults | ||||||
| Curb Weight | 2,163 Pounds (983 Kilograms) Before conversion. Engine and gearbox combined are 170 kg. | ||||||
| Tires | Stock | ||||||
| Conversion Time | Started in Febuary 2009. | ||||||
| Conversion Cost | Batteries AUD 13K Controller AUD 10K Motor AUD 2600 | ||||||
| Additional Features | Replaced manual steering with power steering Planning to keep existing air conditioning | ||||||
| Attempting to produce a sporty conversion with better performance than the original. We plan to do more MX-5s to amortise the learning costs over several conversions. 2009/Apr/1: the engine is out. Still considering two lithium battery options: 40AH Thunder Sky, or 30AH China Power (high discharge versions). 2009/June/7: Batteries ordered weeks ago; controller arrived; motor almost ordered (just waiting for final options). Motor will take 5 weeks to manufacture and 9 weeks (!) to ship. 2009/Oct/13: Batteries arrived months ago; started battery racks. BMS PCB design completed and prototype arrived. Motor ordered and now due about December; we may have to go with a smaller off-the-shelf ABB motor for this first conversion. See also our AEVA Member's Machines page: WebPage | |||||||
1990 Mazda MX-5 AC
“Red MX”
(under construction)
Last Updated 11-10-2009
Copyright © 1997-2009 by Mike Chancey