Search found 3671 matches

by jonescg
Sat, 26 Dec 2020, 18:42
Forum: Technical and conversion discussion
Topic: Prelude conversion project - some questions
Replies: 656
Views: 72434

Re: Prelude conversion project - some questions

Well the nickel plating didn't happen before Christmas, which means nothing will happen until after January 4th. After spending the last two days indoors with the aircon on full blast (and not drawing from the grid - thanks to solar ;) ) today was cool enough to attack the Prelude battery again. I s...
by jonescg
Sat, 26 Dec 2020, 17:55
Forum: Electric motors and controllers
Topic: My Motor Died
Replies: 45
Views: 10934

Re: My Motor Died

Is that a scorched armature winding?
by jonescg
Fri, 25 Dec 2020, 11:18
Forum: Renewable Energy and Storage (Non-EV)
Topic: 12v lithium batteries can't be paralleled?
Replies: 48
Views: 2862

Re: 12v lithium batteries can't be paralleled?

I have experience with both circuit diagrams drawn. The parallel first, then series arrangement is more reliable, in my experience. Of those two diagrams, are you suggesting the upper one is better? By the way, if you open up a large prismatic LFP cell, you will find 3 jelly-rolls wound up and paral...
by jonescg
Fri, 25 Dec 2020, 11:12
Forum: Technical and conversion discussion
Topic: Ultrasonic cleaning bath project...
Replies: 4
Views: 117

Re: Ultrasonic cleaning bath project...

Yeah I did a stack of that snooping, but the tell-tale was the spark once I pressed the On button. It seems strange to me that the two transformers are wired up in series, but maybe that's just part of the circuit. I'm wondering if the neutral-earth arrangements in Australia are not conducive to how...
by jonescg
Thu, 24 Dec 2020, 18:09
Forum: Technical and conversion discussion
Topic: Ultrasonic cleaning bath project...
Replies: 4
Views: 117

Re: Ultrasonic cleaning bath project...

I think that's the same place the bath was bought from. And if the generator is the same, it too might blow up on switch-on.
I guess I'd like to know that the transducers aren't stuffed, and if not, then maybe a more reputable supplier can fit the bill?
by jonescg
Thu, 24 Dec 2020, 12:11
Forum: Technical and conversion discussion
Topic: Ultrasonic cleaning bath project...
Replies: 4
Views: 117

Ultrasonic cleaning bath project...

For lack of a better place to put this thread, I figures starting here might be a good place. Ultrasonic bath.jpg https://www.bjultrasonic.com/shop/power-adjustable-ultrasonic-cleaner-130l/ A friend bought an ultrasonic cleaning bath from China for about $3000 landed. Not knowing what to expect, and...
by jonescg
Thu, 24 Dec 2020, 08:47
Forum: Renewable Energy and Storage (Non-EV)
Topic: 12v lithium batteries can't be paralleled?
Replies: 48
Views: 2862

Re: 12v lithium batteries can't be paralleled?

It depends - when I build LiPo cell packs, the series buslink is a piece of 2 mm thick copper, and it serves as the parallel link too. I have never seen an internal short fail that way. I have seen cells with a small self-discharge bring the entire parallel group down to zero though. Which sucks, bu...
by jonescg
Wed, 23 Dec 2020, 21:34
Forum: Renewable Energy and Storage (Non-EV)
Topic: 12v lithium batteries can't be paralleled?
Replies: 48
Views: 2862

Re: 12v lithium batteries can't be paralleled?

What do you mean by 'lets go'? If it forms an internal short, its voltage will drop and the cells in parallel with it will dump current until the buslink melts. If it goes open circuit the capacity is reduced, the DCIR increases and will result in voltage sag across that one cell group. Parallel fir...
by jonescg
Wed, 23 Dec 2020, 14:54
Forum: Renewable Energy and Storage (Non-EV)
Topic: 12v lithium batteries can't be paralleled?
Replies: 48
Views: 2862

Re: 12v lithium batteries can't be paralleled?

Are these RV failures lead gel batteries? Or LFP?

If it's LFP, the best option is to parallel them at the cell level, and that means having all the battery in one place. Which is not always the easiest option.
by jonescg
Tue, 22 Dec 2020, 13:53
Forum: For Sale/Wanted
Topic: Wanted - kostov motor brushes
Replies: 5
Views: 123

Re: Wanted - kostov motor brushes

I think @4Springs recently bought some and bedded them in for the Brumby.
by jonescg
Sun, 20 Dec 2020, 19:18
Forum: Hyundai
Topic: Kona EV Brake recall!!
Replies: 13
Views: 390

Re: Kona EV Brake recall!!

I think a class action is unlikely. There was a collection of names of folks who were keen on pressuring Nissan about their lousy battery packs in the 2012 Leafs, but in the end, most of those people went out and bought new EVs with better batteries. Most concluded it wouldn't be worth the hassle, a...
by jonescg
Fri, 18 Dec 2020, 09:58
Forum: Members Machines
Topic: Luke's 2001 NB MX-5
Replies: 32
Views: 1102

Re: Luke's 2001 NB MX-5

For me it was the hoist. That was $3600 well spent from day one. I can't put a price on my sanity crawling underneath cars in the dark...
by jonescg
Thu, 17 Dec 2020, 09:34
Forum: Members Machines
Topic: Luke's 2001 NB MX-5
Replies: 32
Views: 1102

Re: Luke's 2001 NB MX-5

Hi Luke - hope this project is getting the attention is deserves? Setting up the workshop is a priority though. I bought a house with a big shed and had a hoist installed so I could convert the Prelude.
by jonescg
Wed, 16 Dec 2020, 12:57
Forum: Renault
Topic: Esperance Zoe.
Replies: 7
Views: 147

Re: Esperance Zoe.

Hi Boris, antiscab also has a Zoe but it's not had any trouble that we're aware of. 22 kW onboard charging is pretty handy. You can try one of the Fast AC chargers on the RAC network. If that charges OK, go for a long drive and come back and try it again to see if it faults. Hopefully it's not a hea...
by jonescg
Wed, 16 Dec 2020, 12:44
Forum: Renault
Topic: Esperance Zoe.
Replies: 7
Views: 147

Re: Esperance Zoe.

Hi WA Zoe Guy (hopefully we'll learn your name soon!) - I drove that car to Esperance and experienced the difficulties. It appeared to me that the car was fine for daily use, but after driving 200 km and charging it at 22 kW, it wasn't happy. It only started to charge after things had cooled down. R...
by jonescg
Tue, 15 Dec 2020, 07:25
Forum: Tesla EVs
Topic: Is Tesla getting away with something ?
Replies: 8
Views: 193

Re: Is Tesla getting away with something ?

Is this made abuntantly clear wjen you buy a Tesla?
Cause that's one of a few reasons I didn't get one.
by jonescg
Mon, 14 Dec 2020, 20:26
Forum: Renault
Topic: Single phase charging
Replies: 22
Views: 2268

Re: Single phase charging

*Frenchmans spit*
I doonot like this po-wer!
by jonescg
Mon, 14 Dec 2020, 15:33
Forum: Batteries, charging, management and monitoring
Topic: 3-Phase Adapter
Replies: 10
Views: 261

Re: 3-Phase Adapter

Nothing wrong with pinching a phase and neutral from the plug, just make sure you pass it through a mobile RCBO.
by jonescg
Sun, 13 Dec 2020, 18:26
Forum: Hyundai
Topic: 2020 Ioniq
Replies: 103
Views: 9149

Re: 2020 Ioniq

I generally get about 350 km driving to work and back for 4 days in a row, but it means a long weekend of solar charging. So I tend to put 10 kWh in each night from the house battery.
On the highway 260 km is possible at 100 km/h and no aircon. Maybe 220 km at 110?
by jonescg
Sun, 13 Dec 2020, 09:12
Forum: Members Machines
Topic: Brendon_m Moke
Replies: 195
Views: 25994

Re: Brendon_m Moke

Christmas party might be a barbecue by the Camfield. Place is booked out from arsehole to breakfast. Tis the season...
by jonescg
Sat, 12 Dec 2020, 16:37
Forum: Technical and conversion discussion
Topic: Prelude conversion project - some questions
Replies: 656
Views: 72434

Re: Prelude conversion project - some questions

Populating a module is the easy bit...
two partially assembled modules sml.jpg
two partially assembled modules sml.jpg (216.08 KiB) Viewed 427 times
Spent today unboxing the remaining cells and cutting up sheets of G10FR4 for the enclosures. Once the modules are fully terminated I'll build an enclosure around it and fill 'er up with resin.
by jonescg
Sat, 12 Dec 2020, 13:15
Forum: Mitsubishi
Topic: Aftermarket iMiEV battery upgrade project
Replies: 476
Views: 52784

Re: Aftermarket iMiEV battery upgrade project

Hopefully these trends continue!
by jonescg
Fri, 11 Dec 2020, 14:41
Forum: Mitsubishi
Topic: Aftermarket iMiEV battery upgrade project
Replies: 476
Views: 52784

Re: Aftermarket iMiEV battery upgrade project

I wonder if the balance will improve with more short (10 to 20 km) drives and recharges?
by jonescg
Fri, 11 Dec 2020, 09:03
Forum: Mazda
Topic: Mazda MX-30 electric
Replies: 10
Views: 4476

Re: Mazda MX-30 electric

Apparently this will be released in Australia next year.
Not the greatest range, but priced accordingly - small range means low cost. Maybe $43k drive away?
https://thedriven.io/2020/12/11/mazda-c ... -mid-2021/