EV Commodore planned - all electric

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marty11
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EV Commodore planned - all electric

Post by marty11 » Sun, 20 Feb 2011, 22:21

So why not a commodore EV? Too heavy? Your tax dollars are going to fund a few prototypes..

Here is the link .. and its completely electric

http://www.theage.com.au/national/elect ... 1azq1.html

"EV Engineering, a new consortium of five car parts makers, will spend 15 months building a completely electric version of the Holden Commodore

It will strip as much weight as possible from the car"

Sound good?

Cheers.. Marty


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coulomb
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EV Commodore planned - all electric

Post by coulomb » Sun, 20 Feb 2011, 23:34

It sounds like there are a few too many companies involved to make me feel confident about it getting finished.

Despite that, good to see that the federal government is doing *something*.
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EV Commodore planned - all electric

Post by antiscab » Mon, 21 Feb 2011, 01:08

its not so much its too heavy, but can't carry enough mass.

a standard commodore can carry the same amount of battery as a standard civic, but needs twice as much.

if you are designing from scratch as these guys are, you can just build it to take more weight, problem solved.

making it rear engine rear wheel drive eliminates lots of the weight in transmission components.

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EV Commodore planned - all electric

Post by 7circle » Wed, 23 Feb 2011, 06:33

Lets just see a well built DIY commodore on decent LiFePO4 batts.

I'm sure it would impress everyone.

That's why I want to do a Commodore Cross8/6 UTE Conversion.

My friends manual Monaro had its clutch die recently and will cost a couple of tonnes to get fixed. As the interior is falling apart he won't get much on a trade in so I'm hoping to have it converted and done up with a bit of make up inside and out. I sure I could get some money for the ICE bits once removed. That's if I can afford to do it.

Hope fully fitted out with the Coupe4's front suspension so I can make it AWD. If Aussies will only drive Bommodores and Flatulence then that's what I'll use to convince them that EV's are a viable solution to there transport needs.

Regards


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Richo
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EV Commodore planned - all electric

Post by Richo » Wed, 23 Feb 2011, 20:57

Typically a commodre would have specs as:
190kW 290Nm 1622kg curb weight.

So this would be a 15kW AC motor with a Torque multiplier of 3.0 and peak RPM of 6400 to achieve 190kW.
Which would suggest it is a bit on the small size.

So it is unlikey to loose the box at 1622kg.
Typically this would be a 30kW+ ac motor which is BIG.

But like Matt said that there is still no-where to put enough batteries to make it practical.
So the short answer is NO but the long answer is YES.
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EV Commodore planned - all electric

Post by photomac » Fri, 25 Feb 2011, 18:53

I've been looking for a good car to convert.
The Commodore has been in my calcs for comparison.
I've used three "rules-of-thumb" guides and a calc using a series of formulae.

eg                               12.5 to 15.5        [13]      kW/100km
is read     "Rules-of-Thumb" range [Formulae] kW/100km

Holden Commodore - 24.5 to 27.5    [24.6]     kW/100km       [Sdn]
        Toyota Corolla - 18.0 to 19.7    [18.0]     kW/100km       [Sdn]
            Toyota RAV4 - 20.6 to 23.8    [24.6]     kW/100km
            Toyota Hilux - 23.5 to 28.0    [26.6]     kW/100km       [Tray 2dr 2WD]
                    Mazda 3 - 18.4 to 19.8    [17.4]     kW/100km [wgn]
                    Mazda 6 - 22.2 to 23.8    [18.4]     kW/100km [hatch]
              Mazda MX5 - 16.8 to 21.3    [18.8]     kW/100km
               Mazda RX8 - 19.5 to 31.5    [19.7]     kW/100km
             Honda Civic - 18.3 to 18.6    [16.8]     kW/100km
            Nissan Tiida - 16.7 to 18.0    [16.3]     kW/100km
[ figures above are battery pack size required at a DoD of 80% ]

In the rule-of-thumb guide the big unknown is the efficiency of their ICE engine. 20% is assumed

From these figures the Commodore will need about a third again of battery pack over a Civic.
So weight / volume become a challenge and hence the inclusion of a Hilux Tray top.

I have contemplated the dual cab variants but when looking at battery positions and the need to push the pack forward or backward the cars balance becomes a concern. Dumbelling of weight on cornering. (Like i'm going to racetrack the vehicle - NOT ! )

What I would love to do is take a car and cut the floor out!
Then lay the pack within this area. (structural integrity then an issue)
That's an advantage of building from scratch like the Nissan Leaf.

Hence the cab chassis utes are attractive.
1] Tonnage capable
2] easy location of batteries
3] balanced battery layout
Disadvantages
1] Extra battery capacity required
2] 2 or 3 passengers only (which then leads back to a MX5)

Oh bugger it! Build one of each LOL

I even checked out a Rolls-Royce calc !

But Rolls are releasing an electric prototype soon!
http://www.gizmag.com/rolls-royce-102ex ... cle/17929/


Decisiions decisions - wot money????? LOL
Last edited by photomac on Fri, 25 Feb 2011, 07:56, edited 1 time in total.
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marcopolo
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EV Commodore planned - all electric

Post by marcopolo » Sun, 27 Feb 2011, 23:23

The real question is why anyone would attempt such an idiotic exersise.

But then it's only ever intended to be a 'concept' vehicle.

However, I can think of better uses for $3.5 million of government money. The purchase of IOO Blade Electrons for the Government fleet or 250 EV charging points.


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EV Commodore planned - all electric

Post by pdhsolar » Fri, 11 Mar 2011, 21:02

Holden made one 11 years ago and called it the E-commodore. If you want to see it and live in SA, go down to the Birdwood motor museum as there is an all-electric Commodore there on display. They made it to take VIP's around Sydney when it was the Sydney 2000 Olympics.

So, if they've already made one, why are we paying tax dollars to fund another one?......Oh, because now they want to make a front wheel drive version...   Maybe they should have kept the EV-1 line running....
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Johny
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EV Commodore planned - all electric

Post by Johny » Fri, 11 Mar 2011, 21:17

Is this the one you mean?
This one is a Hybrid - at least according to the photo description and the giveaway ICE under the hood.
http://www.flickr.com/photos/squizzy/5029311306/

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KDRYAN
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EV Commodore planned - all electric

Post by KDRYAN » Tue, 25 Mar 2014, 01:16

Hi All
Does anyone know the details of the Commodore test vehicles running gear ie: a/c motor size and power rating, gearbox/drive train, controller and voltage etc.

Regards
Kim

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EV Commodore planned - all electric

Post by mjcrow » Tue, 25 Mar 2014, 01:55

Hi Kim,

They used a UQM Powerphase 145 Link with a (single speed) borgwarner e-geardrive mounted up the back where the diff would usually be, leaving plenty of room in the tunnel and up front for batteries. Pack would have been around 400v 30kWh. I have a pdf about it somewhere....will try to find it.

Mike

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EV Commodore planned - all electric

Post by mjcrow » Tue, 25 Mar 2014, 02:01

More info and nice pics here

Mike

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KDRYAN
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EV Commodore planned - all electric

Post by KDRYAN » Tue, 25 Mar 2014, 02:49

Thanks Mike, greatly appreciated.

Kim

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Adverse Effects
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EV Commodore planned - all electric

Post by Adverse Effects » Tue, 25 Mar 2014, 03:02

gee they wasted a lot of space under it in the tunnel

Image
Last edited by Adverse Effects on Mon, 24 Mar 2014, 16:03, edited 1 time in total.

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mjcrow
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EV Commodore planned - all electric

Post by mjcrow » Tue, 25 Mar 2014, 16:38

Adverse Effects wrote: gee they wasted a lot of space under it in the tunnel


Actually that photo is before the battery is fitted, the battery fills the tunnel completely and comes up into the engine bay.

Image

This is the battery layout the highest bit is the part that extends into the engine bay, the rest of it fits in the tunnel. That means the engine bay is more than half empty as below.

Image

Mike

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Adverse Effects
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EV Commodore planned - all electric

Post by Adverse Effects » Tue, 25 Mar 2014, 17:09

that dont look long enough to go even 1/2 way down the tunnel unless the car is a lot shorter then the commodores i use to service

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EV Commodore planned - all electric

Post by mjcrow » Tue, 25 Mar 2014, 18:31

Ok, I found the pdf, and the link for it here

To quote the article "this black box is the front end of the electric Commodore's 30kWh battery pack, which fills the transmission tunnel as far back as the rear seats".

You can see the package fitted in the photo on the last page, and of course as you can see in the previous photos, between the end of the battery pack and the motor is the motor controller.

Mike

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