Z3 EV Conversion

Andybpowell

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British Zeds
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May 19, 2022
Points
116
Location
Southend-On-Sea, essex
Model of Z
105Kw ev
They're not. Not sure how they dealt with that. But mine frequently report that they're down towards zero in winter - too cold for charging.
I only have a 3Kw charger so I'm probably not going to worry about it
:)
 

Andybpowell

Zorg Guru (II)
Supporter
British Zeds
Joined
May 19, 2022
Points
116
Location
Southend-On-Sea, essex
Model of Z
105Kw ev
I haven't got much more done this week lots of staring at stuff and finalising decisions around the exact battery layout and mountings for the front battery box I've also finished drilling and tapping the base for the battery box.
To allow me to make the battery box mounts I've made a temporary mounting to hold it in place

IMG_20220707_154425.jpg


Which is doing a fantastic job spot on

IMG_20220707_154609.jpg


Hopefully I'll have a more productive day tomorrow

:)
 

t-tony

Zorg Expert (II)
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British Zeds
#ZedShed
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Dec 31, 2013
Points
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Location
Torksey Lock,Lincoln, England
Model of Z
E89 Z4 23i Auto
I read this earlier,



and wondering about cost saving can I ask how does Insurance cost compare to ICE vehicles?

Tony.
 

Andybpowell

Zorg Guru (II)
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British Zeds
Joined
May 19, 2022
Points
116
Location
Southend-On-Sea, essex
Model of Z
105Kw ev
Started the fabrication of the front battery box mountings this weekend my choice of steel was the same thing I used for the engine mounts
40mm x 20mm 2.5mm thick steel box section mainly because I've still got about 5m of it as with the engine mounts I've reinforced it where the mounting bolts go this time with steel tube welded in to stop it crushing when the bolts are tightened up

IMG_20220709_102651.jpg


IMG_20220709_105859.jpg


and here it is tacked in place



I couldn't go any further as I've run out of gas so probably won't get any more welding done until Tuesday so I went back to the charger
this is the bottom half of the top housing from the Nissan Leaf stack which originally housed the Leaf charger and DC to DC converter which I am not using for several reasons including the fact that it wouldn't fit under the bonnet but it will just using the lower half of the housing this conveniently gives me a safe place for the High Voltage connections to the motor and allows me to mount the charger I will be using
I have already milled part of the inside flat to allow good heat transfer from the charger

IMG_20220604_160921.jpg


I then fitted a 6mm spacer plate so that the charger cleared other parts of the casting applied heat sink compound and bolted it in place the charger will be bolted directly to this plate
IMG_20220710_154538.jpg


IMG_20220710_154616.jpg


The reason for all of this is that the housing bolts directly on top of the inverter which is water cooled and I will have the coolant pump running during charging this should provide adequate cooling for the charger (I hope)
:)
 
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Andybpowell

Zorg Guru (II)
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British Zeds
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Points
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Location
Southend-On-Sea, essex
Model of Z
105Kw ev
So it's been a little while without any updates mainly because of the weather it was just too hot and also too windy to weld outside. I did get some done the front mounting is finished though it cost me some burns that's the price of welding in a T shirt and I have made up the parts for the rear mounting just need to weld it all up

Also in other news all of the work I did to fit the Volvo(eltek) charger into the old leaf top housing was wasted as the charger literally blew up while I was charging the batteries and I can't seem to get another one for under £700 so I'm changing over to a Mitsubishi combined charger/dc to dc converter as they can be had for under £300. And here it is

IMG_20220720_184736.jpg


I've tested the dc-dc part of it for charging the 12v battery which is all fine hope to get the HV battery charger tested tomorrow
I had to cut off the connector with all of the control wires as I couldn't get a plug for it at a reasonable price so I cut it off and extended all of the relevant cables to reach all of the way to the controller

IMG_20220720_185023.jpg


It all looks a bit of a mess but it's not as dangerous as if looks I've even got the proper gloves for doing the HV connections

IMG_20220720_184651.jpg


:)
 
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Andybpowell

Zorg Guru (II)
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British Zeds
Joined
May 19, 2022
Points
116
Location
Southend-On-Sea, essex
Model of Z
105Kw ev
Too late for this but I have a bunch of connectors for the Outlander charger on the way from China!
Always the way 😁 but to be honest I really just want to get on and get it on the road too many little things holding me up as you said sometimes you need to JFDI going to try to do the welding this afternoon
 

Andybpowell

Zorg Guru (II)
Supporter
British Zeds
Joined
May 19, 2022
Points
116
Location
Southend-On-Sea, essex
Model of Z
105Kw ev
The ac part of the Mitsubishi charger is all tested and working, all of the front battery box mounts are finished,

The electric power steering pump brackets and mounting plate are done they just need cleaning up and painting and I even managed to use the existing pipework



IMG_20220727_155737.jpg


IMG_20220727_155757.jpg


also managed to make brackets for and fit the new ally radiator for cooling the motor, inverter and charger



It's getting there just slowly
:)
 

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Andybpowell

Zorg Guru (II)
Supporter
British Zeds
Joined
May 19, 2022
Points
116
Location
Southend-On-Sea, essex
Model of Z
105Kw ev

Andybpowell

Zorg Guru (II)
Supporter
British Zeds
Joined
May 19, 2022
Points
116
Location
Southend-On-Sea, essex
Model of Z
105Kw ev
Another minor update to be honest they all seem minor but take hours as @Tom Cheesewright has been finding out lately this is the power steering pump all fitted and plumbed in I managed to use all of the oem pipework and even got the cooler fitted in the original location




:)
 
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t-tony

Zorg Expert (II)
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#ZedShed
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Dec 31, 2013
Points
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Location
Torksey Lock,Lincoln, England
Model of Z
E89 Z4 23i Auto
Impressive stuff.

Tony.
 

Andybpowell

Zorg Guru (II)
Supporter
British Zeds
Joined
May 19, 2022
Points
116
Location
Southend-On-Sea, essex
Model of Z
105Kw ev
Tested the power steering Saturday and guess what the pump's knackered :mad: trying not to be angry can't send it back I bought it months ago new one is on it's way on a positive note I did get to flush out the pipework and rack also got around to flushing all of the braking system through, refilling it and bleeding it and looking at what came out it needed doing it was very cloudy also got the location finalised for the charger



:)
 

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