Search found 3550 matches

by Richo
Tue, 18 Jun 2019, 12:30
Forum: Parts & Suppliers
Topic: Leaf cells
Replies: 40
Views: 7889

Re: Leaf cells

That is about the same price that Nissan claim to be selling new packs for replacement in existing Leafs. Do know if they are new or used? Although I do import volumes of stuff none of them are dangerous goods. Last time I found it still cheaper to let Suzi Auto import the batteries. Perhaps you can...
by Richo
Mon, 17 Jun 2019, 14:17
Forum: Technical and conversion discussion
Topic: Direct Drive options
Replies: 22
Views: 432

Re: Direct Drive options

You could also use a pulley with 1.13:1 with the 4.44 diff making a neat 5:1.
by Richo
Mon, 17 Jun 2019, 13:25
Forum: Batteries, charging, management and monitoring
Topic: Battery interconnect sizing
Replies: 45
Views: 614

Re: Battery interconnect sizing

Stuff the bending - I'd go with M4 Metal spacers NPB F-F and just bolt the different height busbars together.

What's the height difference?
by Richo
Mon, 17 Jun 2019, 13:14
Forum: Technical and conversion discussion
Topic: Direct Drive options
Replies: 22
Views: 432

Re: Direct Drive options

Ahh that's because its an after market performance kit. https://shop.quaife.co.uk/quaife-cd-axle-unit-for-chain-driven-cars Anyway it looks like it would be AUD$6,000 + shipping. :o And 3.767:1 isn't that great either. :( So not realistic. For cost and ratio's I'd still look at a diff like the BMW a...
by Richo
Mon, 17 Jun 2019, 12:52
Forum: Electric motors and controllers
Topic: Open Source DC controller
Replies: 110
Views: 17514

Re: Open Source DC controller

And SiC Modules are even more expensive.
But you end up with the convenience of a FET but the robustness of an IGBT.
Soon...
by Richo
Mon, 17 Jun 2019, 12:51
Forum: Electric motors and controllers
Topic: Open Source DC controller
Replies: 110
Views: 17514

Re: Open Source DC controller

JonStarr wrote:
Fri, 14 Jun 2019, 16:25
Those IGBT bricks are also a bit expensive compared to discrete FETs and diodes.
The "cost" to engineer/design matched paralleled devices to work properly is usually more than just buying IGBT's.
If it's not right then you end up with cascade popping 8-)
by Richo
Mon, 17 Jun 2019, 12:46
Forum: Electric motors and controllers
Topic: Open Source DC controller
Replies: 110
Views: 17514

Re: Open Source DC controller

JonStarr wrote:
Fri, 14 Jun 2019, 16:25
I'm not sure exactly where those film caps are going though, looks like they are source-drain snubbers I think.
Yep that is correct - across the DC Bus.
Normally they go as close to the FET's +/- as possible.

On IGBT's they have matched spacing to bolt straight on.
by Richo
Fri, 14 Jun 2019, 12:59
Forum: Technical and conversion discussion
Topic: Direct Drive options
Replies: 22
Views: 432

Re: Direct Drive options

Have a look at the Quaife QBA2R in this link under fiat 500 drive train.

Reduction drive + reverse.
https://www.zcars.org.uk/kits/the-kit-guide/

Image
by Richo
Fri, 14 Jun 2019, 12:41
Forum: Technical and conversion discussion
Topic: Direct Drive options
Replies: 22
Views: 432

Re: Direct Drive options

Hmmm not quite what I was thinking...
https://www.mokeforum.com.au/index.php?topic=7783.0

Image
by Richo
Fri, 14 Jun 2019, 12:33
Forum: Electric motors and controllers
Topic: Open Source DC controller
Replies: 110
Views: 17514

Re: Open Source DC controller

Damn and the police keep telling me the naked pictures of myself will be on the internet forever :roll: LIARS :twisted: https://ecomodder.com/forum/showthread.php/paul-sabrinas-cheap-diy-144v-motor-controller-6404.html https://www.instructables.com/id/Homemade-100-HP-Motor-Controller-for-an-Electric...
by Richo
Fri, 14 Jun 2019, 12:26
Forum: Parts & Suppliers
Topic: leaf cells
Replies: 2
Views: 116

Re: leaf cells

Ah but I think that there are none to import.
As far as I was aware he has a supplier of non-leaf lithium cells that he uses instead.

TBH the cost of the cells is such that if Nissan had a 3rd party reseller it really would help conversions or off grid applications etc..
by Richo
Wed, 12 Jun 2019, 13:12
Forum: Technical and conversion discussion
Topic: Direct Drive options
Replies: 22
Views: 432

Re: Direct Drive options

Somewhere sometime ago I remember seeing a conversion to a small car where they used dual brushless motors Etek/Mars etc that ran a chain reduction to adapters that fit the inner CV joins.
That was small and compact.
Motor + controller 10kW ~$3k
or $6k for 20kW cont which is more than plenty.
by Richo
Wed, 12 Jun 2019, 12:55
Forum: Technical and conversion discussion
Topic: Direct Drive options
Replies: 22
Views: 432

Re: Direct Drive options

I'd guess $15k+ just for the motor - not the actual transmission.
So $25k-$30k for the motor+gearbox+controller.

All really nice but ludicrously priced.
by Richo
Mon, 10 Jun 2019, 13:11
Forum: Technical and conversion discussion
Topic: Direct Drive options
Replies: 22
Views: 432

Re: Direct Drive options

Here is one that's done...
http://www.evalbum.com/1238
by Richo
Mon, 10 Jun 2019, 13:05
Forum: Technical and conversion discussion
Topic: Direct Drive options
Replies: 22
Views: 432

Re: Direct Drive options

AC24LS with AT1200 might be doable - a bit rare though.
by Richo
Mon, 10 Jun 2019, 12:57
Forum: Batteries, charging, management and monitoring
Topic: EOI - New Yinlong LTO cells Australia
Replies: 63
Views: 2657

Re: EOI - New Yinlong LTO cells Australia

coulomb wrote:
Sat, 08 Jun 2019, 16:40
I would think that 100 W RMS per channel would be really, really loud in a car...
Nope it isn't.
Loud is when the front window flexes. :lol:
by Richo
Mon, 10 Jun 2019, 12:53
Forum: Batteries, charging, management and monitoring
Topic: EOI - New Yinlong LTO cells Australia
Replies: 63
Views: 2657

Re: EOI - New Yinlong LTO cells Australia

the high discharge and inherent cell voltage plus safety makes them perfect for the thousands of amps that car audio setups needs at 14 volts. Ah so I approached the problem from the other way. If think about a 10kW 1R sub the first thing that happens in the amp is it boosts the 14V up to 100+ volt...
by Richo
Fri, 07 Jun 2019, 13:19
Forum: Technical and conversion discussion
Topic: Converting Suzuki Quadrunner ATV to EV: DIY kit any good?
Replies: 12
Views: 291

Re: Converting Suzuki Quadrunner ATV to EV: DIY kit any good?

Ha ha this guy, although in Russian, found the same thing... https://electrotransport.ru/ussr/index.php?msg=1211970 Looks like it comes with the 14T and 15T sprocket. I read through most of that thread. The best I can see is that the motor is more closer to 4.5kW/9kW. But no confirmed tests. Which i...
by Richo
Thu, 06 Jun 2019, 12:53
Forum: Technical and conversion discussion
Topic: Converting Suzuki Quadrunner ATV to EV: DIY kit any good?
Replies: 12
Views: 291

Re: Converting Suzuki Quadrunner ATV to EV: DIY kit any good?

Here is the link for the motor specs. http://www.eastgem.net/d7500.html And the specs don't agree with physics... 10,000W and 4,500RPM is 21Nm NOT 100Nm. or 100Nm and 4,500RPM is 47,123W 7,500W and 4,000RPM is 18Nm NOT 50Nm. or 50Nm and 4,000RPM is 20,943W IF 7.5kW is the input power with 82% effici...
by Richo
Wed, 05 Jun 2019, 12:37
Forum: Admin Notices
Topic: AEVA Non-Secure so Password Issue
Replies: 17
Views: 461

Re: AEVA Non-Secure so Password Issue

AND that's how I got my facebook account :lol:
by Richo
Wed, 05 Jun 2019, 09:57
Forum: Technical and conversion discussion
Topic: Converting Suzuki Quadrunner ATV to EV: DIY kit any good?
Replies: 12
Views: 291

Re: Converting Suzuki Quadrunner ATV to EV: DIY kit any good?

Mechanically you'll need to know the coupling to the wheel from the motor.
There seem to be a few variants to the LT250?!?
Is it just a chain and sprockets?

If so you'll need a sprocket for the motor.

I'd think it would be okay for a general run about.
by Richo
Wed, 05 Jun 2019, 09:45
Forum: Technical and conversion discussion
Topic: Non-Syncromesh Gearboxes
Replies: 8
Views: 197

Re: Non-Syncromesh Gearboxes

Ah no - if I'm taking 5 secs to change gear I'll crash it into wall set fire to it and walk away...