Total NOOB to convert Classic Mini

Technical discussion on converting internal combustion to electric
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carnut1100
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Re: Total NOOB to convert Classic Mini

Post by carnut1100 » Fri, 10 Aug 2018, 06:24

Imiev drivetrain is a good one.
Once the controller and charger etc are in there won’t be any engine bay for batteries and you won’t fit a whole imiev pack in the boot though.

I know of a wrecked imiev that went for less than $2k complete

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Richo
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Re: Total NOOB to convert Classic Mini

Post by Richo » Fri, 10 Aug 2018, 12:41

Bozaicars wrote:
Thu, 09 Aug 2018, 16:06
I MIEV sounds interesting...
Parts from a wreck?
Japanese import?
Parts import?
Oddly I have been looking the last couple of weeks and haven't found anything worthwhile.
The Japanese import would be of some interest as they have the Toshiba SCiB batteries due to the colder climate.
It would be cheaper to find a write-off in Australia rather than importing parts.

Don't forget if you want the miev/minicab motor it is setup for 300+ volts.
So the short answer is NO but the long answer is YES.
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Re: Total NOOB to convert Classic Mini

Post by Bonsaicars » Sun, 12 Aug 2018, 11:03

OK so 300volts.
What are the real world implications of 300V?
More batteries?
More available GO GO?
Need to stick with the original controller and electronics?
Some of the conversion companies have suggested 96V, but didn't give a reason...
I'm a noob remember.
Never cut the red wire.

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Re: Total NOOB to convert Classic Mini

Post by Bonsaicars » Sun, 12 Aug 2018, 11:56

Stuff I've read indicates that the Minicab miev seems to have a lower kW rating than the imiiv. Yet also says they share all the same equipment. (EV wise)
Is this so, or a case of controlling the same motor differently?
Never cut the red wire.

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Re: Total NOOB to convert Classic Mini

Post by Bonsaicars » Tue, 04 Sep 2018, 08:00

Bozaicars wrote:
Sun, 12 Aug 2018, 11:03
OK so 300volts.
What are the real world implications of 300V?
More batteries?
More available GO GO?
Need to stick with the original controller and electronics?
Some of the conversion companies have suggested 96V, but didn't give a reason...
I'm a noob remember.

I can get a Minicab imported for around The $9k mark.
"Assuming" I can use everything from this to convert into a mini, Is there any inherent problems with Imiev equipment that might be incompatible or problematic with regards to repairs or replacement?
Never cut the red wire.

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Re: Total NOOB to convert Classic Mini

Post by mikedufty » Tue, 04 Sep 2018, 09:39

You could have a look at some of the i-MiEV discussions here. There are issues with components being VIN-locked and having to be programmed by a Mitsubishi dealer. May not be an issue if you keep everything and never have to replace a component. Or may not be an issue if you can bypass the relevant components and use something else.
I think both varieties of i-MiEV are rear wheel drive if that matters.

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Re: Total NOOB to convert Classic Mini

Post by coulomb » Tue, 04 Sep 2018, 16:34

Bozaicars wrote:
Tue, 04 Sep 2018, 08:00
Is there any inherent problems with Imiev equipment that might be incompatible or problematic with regards to repairs or replacement?
There is a chance that the BMS will throw an error if it doesn't see the battery for a period of time, probably some months. That should be fine if you have the appropriate error clearing equipment, but these can be hard to source, and the Mitsubishi-specific firmware can be even harder to source. But people have done it. You might be able to avoid this problem if the conversion is quick, or at least the BMS to battery connection is quick. If it has to be extended for whatever reason, perhaps arrange some temporary wiring so that the BMS sees the battery, even if they are in separate vehicles.
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Re: Total NOOB to convert Classic Mini

Post by Bonsaicars » Sun, 06 Jan 2019, 13:19

I am looking to buy a wrecked Imiev and I am unsure of the usability of the high voltage motor/controller.
Also the factory electronics and anti theft shut out that all modern cars use has me concerned.

Is there any way to run the 330 volt motor from an imiev at a lower voltage?
or make up a conversion plate to fit a lower voltage motor to the transmission?

My preference would be to utilise about half of the batteries (reconfigured to fit in the Mini) to run a lower voltage motor/controller.
Never cut the red wire.

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Re: Total NOOB to convert Classic Mini

Post by brunohill » Sun, 06 Jan 2019, 20:05

Yes and yes, you would loose a bit of power and it would take a bit of research. I recon you should use all the batteries mounted in the front and make a rear wheel drive mini. You wouldn't need the transmisson. That would be cool.
www.youtube.com/watch?v=UBzsiqYosQ4

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Re: Total NOOB to convert Classic Mini

Post by T1 Terry » Tue, 08 Jan 2019, 07:28

T1 Terry wrote:
Mon, 06 Aug 2018, 15:01
Bozaicars wrote:
Sat, 04 Aug 2018, 11:21
Thanks,
Prius off the list!
Because of the lack of room or the poor EV only range? There are a lot of lithium add-on packs and DIY upgrades around and being so cheap to buy the whole thing you could just transplant all the gear into the mini ..... then you could post photos so I can look at doing similar in another vehicle :lol: They get along quite well as a full bodied Pruis so in a light weight mini body I reckon it would fly .... if it fitted in the hole of course :?

T1 Terry
Back to the Prius idea, way out in left field but I thought I should throw it out there anyway. My PHEV Prius has a 10kWh plug in battery pack as well as the 1.4kwh traction pack. The PHEV allows for the option of "ICE Kill" so it will drive as an electric only vehicle. If just the transaxle/2 electric motor part was used and mated to an additional electric motor designed to take over past the limited speed the electric transaxle can deliver in place of the Ice engine it would make a great all electric drive platform that is very cheap. The sensors associated with the ICE engine would probably need to be spoofed, but maybe one in ICE Kill mode that part of the computer doesn't even look at the ICE sensors.

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Re: Total NOOB to convert Classic Mini

Post by Adverse Effects » Tue, 08 Jan 2019, 15:20

hmmm cut down Tesla drive unit in the back of a mini hmmmmmmm
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Re: Total NOOB to convert Classic Mini

Post by Stormz » Tue, 19 Mar 2019, 14:45

Try https://www.beforward.jp/ for some cheap miev.

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Re: Total NOOB to convert Classic Mini

Post by coulomb » Tue, 19 Mar 2019, 16:49

Stormz wrote:
Tue, 19 Mar 2019, 14:45
Try https://www.beforward.jp/ for some cheap miev.
? When I search for Make = Mitsubishi and fuel = electic I get zero results.

But with Make = (all) and fuel = electric I see lots of leafs for under US$8000 (before import costs, duty, GST, etc etc).

[ Edit: Added "before import costs" and US$. ]
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Patching PIP-4048/5048 inverter-chargers.

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Re: Total NOOB to convert Classic Mini

Post by wovenrovings » Sun, 26 May 2019, 19:40

Stumbled across this recently while looking up stuff for the moke. http://www.bdrive.ch/
He has managed to get 10kWh into it.

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Re: Total NOOB to convert Classic Mini

Post by Tremelune » Thu, 13 Jun 2019, 02:21

OEM cars are the bang-for-buck champs for road-going EV conversion components these days, and which one to use will depend heavily on what is available in your neck of the ocean. Stateside, the Nissan Leaf is common, cheap, and the components are well understood (hacked). The main issue with the Leaf is 3x the torque over stock such that you can break the tires loose at 50kph in FWD configuration (as seen in this Moke conversion video).

The options for a Mini seem to be:

1) AWD with RAV4 transmission/diff mounted on MiniTec front and rear subframes. The tricky bit here is mating the motor to the transmission, and hoping the Honda transmission will handle the torque. This might be Tesla-fast with a Leaf drivetrain.

2) RWD by heavily modifying the rear chassis and (presumably) MiniTec rear AWD subframe and putting the motor in the rear (direct drive with gear reducer). This might be rad, as you could fairly easily distribute the batteries to achieve the 43:57 weight distribution found on Formula 1 cars (or 50:50 if you're marketing for BMW).

3) FWD like 1, but with any Honda D/B transmission and without the rear bit. This would work well with modest motor/batteries.

4) FWD like 2, but in the front. This is the route I think I'm going, but I'm worried about that much torque in this configuration. I mean...not too worried.

If anyone's still looking, here is the conversion I'm in the process of (though I'm mainly still in the research phase):

https://www.diyelectriccar.com/forums/s ... ?p=1039075

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Re: Total NOOB to convert Classic Mini

Post by brendon_m » Thu, 13 Jun 2019, 10:43

Tremelune wrote:
Thu, 13 Jun 2019, 02:21
OEM cars are the bang-for-buck champs for road-going EV conversion components these days
Problem there being that EVs are rare as hens teeth in Australia. So getting one from a wrecker is a hard find.

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Re: Total NOOB to convert Classic Mini

Post by mikedufty » Thu, 13 Jun 2019, 10:53

Can you get EV half-cuts from japan?

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Re: Total NOOB to convert Classic Mini

Post by brendon_m » Thu, 13 Jun 2019, 12:25

They use 15inch+ petrol power grinders to cut cars in half for half cuts, what a sight to see when the guy doing an EV goes through the battery in the floor :lol:

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Re: Total NOOB to convert Classic Mini

Post by T1 Terry » Thu, 13 Jun 2019, 15:54

brendon_m wrote:
Thu, 13 Jun 2019, 12:25
They use 15inch+ petrol power grinders to cut cars in half for half cuts, what a sight to see when the guy doing an EV goes through the battery in the floor :lol:
When I worked for the rail maintenance mob, they had a number of these petrol powered jobs with the big cutting blade that they used for cutting the rail lines. When you get them up to speed the gyroscopic effect makes them almost impossible to manoeuvre, so they had a special jig they mounted in to clamp them to the rail so they didn't take off :lol: Maybe the smaller concrete cutter models might be easier to handle, they virtually outlawed the 9 inch grinder/cutter from industrial work sites because of the tendency to jam the disc or for the gyroscopic effect to cause the operator to loose control of the units.
I would have thought they would use the big versions of a multi tool or plasma arc cutters these days, but then in China maybe have much looser work safety requirements :lol:

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Re: Total NOOB to convert Classic Mini

Post by brendon_m » Thu, 13 Jun 2019, 17:36

Hmm, true. I guess taking to a lithium battery pack with a plasma cutter will have to fulfill my destructive tendencies

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Re: Total NOOB to convert Classic Mini

Post by T1 Terry » Fri, 14 Jun 2019, 13:22

brendon_m wrote:
Thu, 13 Jun 2019, 17:36
Hmm, true. I guess taking to a lithium battery pack with a plasma cutter will have to fulfill my destructive tendencies
Now that would make a You Tube video that would go viral :shock: :lol:

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