Thread: EV general discussion

Saddly I know which EV 4wd is NOT suitable as a DISCO replacement yet.

The Rivian R1S has accomplished a monumental feat. The SUV is now the first production electric vehicle to conquer the Rubicon Trail, claims Rivian. The trail is widely known as one of the most challenging off-road trails in the world.Rivian’s test and development team left early on Monday, August 7, from the Loon Lake entrance. It then took them roughly eight hours to drive the Rivian R1S over a 12-mile stretch, driving over steep inclines, rocky obstacles, and boulders, to reach the Tahoma staging area.

https://www.msn.com/en-au/news/other...0137cca8&ei=25

12 miles and used 70% if its battery!!! 4wd capacity is good. Did it in AT's not MTs.


Waiting until next year or Next DOH

Come in Spinner

I did sign for the MG4. MG XSev is now for sale or to be traded in. Oct /Nov likley delivery date.

why-

1. one pedal driving- XS has regen braking which stops at about 10kph then I need to use brakes!
2. Rear wheel drive was much nicer
3. range will be over 400 not assuming the WTLP rubbish of course
4. 1/4 hit at most for trade in value of the XS ev!
5. Price was 2k below what I was told when I put the deposit.

The I shouldn't have is I still want a Disco replacement BEV FCEV

I just was reading the latest Open Road and some of the comments by EV enthusiasts were laughable.

One poster "an Engineer" wrote that soon we would be able to induction charge an EV "like a mobile phone" so towing a caravan and unhitching to charge was not a problem!

The next poster said that soon caravans would be available with their own batteries and electric motors and an "intelligent towbar that would give acceleration and braking assist. WOW!
At what cost and what weight?

It will be a brave new world in 12 years time for sure.
Regards PhilipA

There have been a couple of companies touting the induction charge through the road you are driving on. All have failed during trials so more worked required there before can be put into daily use

The reality is that the electric car Achilles heel is to some extent range but more about the time it takes to recharge. There are lots of businesses attempting to convince the world they have solved this one. Most seem to be chucking up promising press releases so they can sucking up more research grants

One of them has to strike gold for this battery charging issue to be solved. Have to solve it before hydrogen is miniaturised enough for cracking to take place in the vehicle which is also consuming research grants. Heavy truck and taxi in Europe are already moving to hydrogen as battery does not work for them

Race is on to see who can do their thing first

Originally Posted by PhilipA

I just was reading the latest Open Road and some of the comments by EV enthusiasts were laughable.

One poster "an Engineer" wrote that soon we would be able to induction charge an EV "like a mobile phone" so towing a caravan and unhitching to charge was not a problem!

The next poster said that soon caravans would be available with their own batteries and electric motors and an "intelligent towbar that would give acceleration and braking assist. WOW!
At what cost and what weight?

It will be a brave new world in 12 years time for sure.
Regards PhilipA

We all can see a Lot of rubbish claimed Phillip.

It is very frustrating given the issues that are clearly in our faces. Running today listening to BBC World Service - World Business Report, Drought-hit Panama canal extends restrictions

The 20ish year drought is going to be a pain anywhere! Mersk shipping might be the biggest shipping consumer of the current bunker oil? Even they are moving. It will not be easy1

World’s first ‘superfast’ battery offers 400km range from 10 mins charge | The Independent

Meet Shenxing: CATL'''s new EV battery that charges in 10 mins


The claim is that these will be in cars next year.

Originally Posted by Arapiles

World’s first ‘superfast’ battery offers 400km range from 10 mins charge | The Independent

Meet Shenxing: CATL'''s new EV battery that charges in 10 mins


The claim is that these will be in cars next year.

I’ll call BS on this straight away even if the batteries can be made.

Say the car has a 100KWH battery so 80% is 80KWH, which can be done no dramas with current super chargers in less than an hour.

To do that in 10 minutes you’ll need a charger capable of delivering 480KW of power! Holt crap - a lot of people wouldn’t be able to lift a 2 meter section of the cable that would be required for this let alone finding that kind of power from the grid to do it with.

If we work at the top end and say the DC battery pack voltage in the EV is 800 volts that’s a current draw of 600 amps. That’s 240 square mm cable required to pass that sort of current which weighs 2.3Kg per meter so even a 2 meter charging cable will be over 10kg - easy for you and me, but how’s an older person going to go with that? If the battery voltage was 400 volts which is common in a lot of smaller cars then that’s 1200 amps that needs to flow to do this 10 minute charge - around 20Kg of cable. Even if you could find more than a handful of places where there’s enough power to put in more than one of these chargers they become unusable.

It’s laughable but people keep eating this **** up because they don’t know any better and rather than believe someone who can make the calculations and understands what actually needs to happen, they’ll believe a ‘journalist’ - and I use the term loosely - who’s only job it is is to write click bait to make someone bring in more ad revenue to their site.

Originally Posted by Homestar

I’ll call BS on this straight away even if the batteries can be made.

Say the car has a 100KWH battery so 80% is 80KWH, which can be done no dramas with current super chargers in less than an hour.

To do that in 10 minutes you’ll need a charger capable of delivering 480KW of power! Holt crap - a lot of people wouldn’t be able to lift a 2 meter section of the cable that would be required for this let alone finding that kind of power from the grid to do it with.

If we work at the top end and say the DC battery pack voltage in the EV is 800 volts that’s a current draw of 600 amps. That’s 240 square mm cable required to pass that sort of current which weighs 2.3Kg per meter so even a 2 meter charging cable will be over 10kg - easy for you and me, but how’s an older person going to go with that? If the battery voltage was 400 volts which is common in a lot of smaller cars then that’s 1200 amps that needs to flow to do this 10 minute charge - around 20Kg of cable. Even if you could find more than a handful of places where there’s enough power to put in more than one of these chargers they become unusable.

It’s laughable but people keep eating this **** up because they don’t know any better and rather than believe someone who can make the calculations and understands what actually needs to happen, they’ll believe a ‘journalist’ - and I use the term loosely - who’s only job it is is to write click bait to make someone bring in more ad revenue to their site.

Interesting thank. The New CCS chargers in Camperdown and Geelong do already have very heavy cables. Camperdown and Geelong are both only 50kW per hour. RACY Torquay and Ballarat have 350kwh and others. There doesn't seem to be any change in the cables. They are Much heavier than the 7 and 22khw AC type cables.

I fully agree some people would struggle with the current CCS charge cables weight and stiffness.