Next generation of ...
 

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[Closed] Next generation of EV?

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Really well designed, Tesla ludicrous level performance and theoretical 400 mile range.

STW prime movers, get your reservations in now!


 
Posted : 12/01/2019 9:34 am
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Tesla ludicrous level performance

Pointless. A gimmick and utterly irresponsible IMO.

Make the thing drive normally, extend the battery life, make it easy to own/use and be better screwed together than the “ludicrous” Tesla shite.

IMO


 
Posted : 12/01/2019 9:43 am
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the next practical generation will have small capacity petrol engines to generate,top up battery capacity not to drive wheels


 
Posted : 12/01/2019 9:46 am
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The high speed comes for free with EVs unlike in a petrol car.

Also making it shaped like a truck it stupid, it could get 50% more range if it were aero.

My guess is that they've just whacked more batteries in it. If it's comparable in cost to an IC car then I'll be impressed.


 
Posted : 12/01/2019 9:50 am
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the next practical generation will have small capacity petrol engines to generate,top up battery capacity not to drive wheels

This is my thinking too... Hybrids are the way to go, replace reliance on petrol engines for power and replace that requirement with one that simply charges the batteries, then let the battery drive the wheels.

Sort of generators..

Toyota have been pioneering this tech for a long time now, soon I reckon 50% of the cars drivability will be by the battery power and the other 50% for range topup and motorway driving with the engine supplementing the battery drive.


 
Posted : 12/01/2019 9:55 am
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Defo way to go for hybrid drives. IC can be run at optimal revs / load / temps. Not sure the charging rate will be good enough for a long distance 3.5 ton van yet though


 
Posted : 12/01/2019 10:18 am
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Next step is get people to use an app to record their driving over a couple of months then show them how an electric car wod have performed and what the charging cycles would heave been. Most people would be surprised


 
Posted : 12/01/2019 10:26 am
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Why would you put an engine in an electric car rather than more batteries?


 
Posted : 12/01/2019 10:28 am
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Why would you put an engine in an electric car rather than more batteries?

Energy density (a bit) & refuel-ability (more).


 
Posted : 12/01/2019 10:33 am
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Hybrids and RX'ers are a dead end. It will all be pure EV going forward (pun intended)

for instance:

https://electrek.co/2018/10/05/bmw-i3-all-electric-gas-range-extender/


 
Posted : 12/01/2019 10:36 am
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replace that requirement with one that simply charges the batteries, then let the battery drive the wheels.

There will be quite a lot of energy lost in the generation of electricity, charging the battery, then discharging the battery. I think it would be more efficient to use a small ICE (500cc perhaps) that provides enough power to cruise at 120 km/h on the flat and drive the front wheels through a CVT. At 100 km/h, there will be surplus power to top up the batteries. By doing this, you could probably reduce the required battery capacity by 75% or more because most trips are fairly short and you are paying a lot for battery capacity that isn't usually required, but the ICE would make up the difference for long trips.

Drive the rear wheels using electric motors that are powerful enough to provide decent performance on their own. Acceleration, hills, and overtaking will mostly use electric, so the ICE doesn't have to have a broad operating range and could be optimized for efficiency across a very narrow speed range for cruising on the open road and recharging the batteries.

Short trips would be entirely electric, with plug-in charging used as the main power source. Before you leave home, you would specify your destination and whether you can recharge there and the car can calculate the best mixture of ICE and battery power. For longer journeys, you would want the battery to be nearly depleted as you reach the end of your journey at a charging point so you are maximizing the use of plug-in power and minimizing use of the ICE.


 
Posted : 12/01/2019 10:37 am
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Hybrids are a transition/stop-gap technology. Current pure electric tech and infrastructure is sufficient for a lot of the population's needs, soon it will be sufficient for 99%+

That Rivian is a thing of beauty. Tesla's have ridiculous performance because their mission is to accelerate the adoption of electric vehicles, and one way to do that is to show that they are fun, fast cars, not slow granny-mobiles (which the G-Wiz did very well).

Plus it's pretty easy to make an electric car very quick. A Nissan Leaf (best selling pure electric car in the UK at the moment) will beat most petrol cars away from the lights.


 
Posted : 12/01/2019 10:39 am
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Why would you put an engine in an electric car rather than more batteries?

Because people all think they drive outside the range refule specs of the cars despite plenty of evidence to say most get nowhere near. It's a conditioning thing due to the availability of petrol that removes any need to plan.


 
Posted : 12/01/2019 10:40 am
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Hybrids and RX’ers are a dead end. It will all be pure EV going forward

In European cities, sure. In rural areas of North America, Australia, Russia, Africa, etc, being able to refuel out of a drum can be a matter of life and death.


 
Posted : 12/01/2019 10:44 am
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New Kia and Hyundai ev with 300 mile range are looking like candidates for my next car. My petrol yeti is hardly used now other than for longer trips. The majority of daily driving being done in the wife’s Leaf.


 
Posted : 12/01/2019 10:44 am
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There's just loads of EVs here in Denmark compared to the UK, all kinds of weird and wonderful non car ones too like huge delivery trikes, it's like being in the future, although it's probably more the UK being stuck in the past. Those tiny BMW i3 accelerate like stink! The Zoes make the most quasi-futuristic noise though.


 
Posted : 12/01/2019 10:46 am
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Plus it’s pretty easy to make an electric car very quick.

It's actually quite easy to make a petrol car very quick too, you just put an enormous engine into a small car. Has some drawbacks, but very easy to do.


 
Posted : 12/01/2019 10:47 am
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The range thing is overstated but at the same time even if a journey is only a couple of time a year if the charging / or boost charge times are such that it pushes a one day journey into a two day journey it will not be acceptable to business due to increased costs and individuals due to increased holiday usage for example.

Thinking about my own semi regular long distance trips, if I can boost a 300 mile range to a 600 mile range with 2 x 30 min stops, or one 15, one 45 stop no problem (maybe another couple of very short pee stops), if all of a sudden each stop has to be 1-2hr or more life gets more complicated.


 
Posted : 12/01/2019 11:04 am
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In European cities, sure. In rural areas of North America, Australia, Russia, Africa, etc, being able to refuel out of a drum can be a matter of life and death.

Touch OTT there, guess what you can refuel a EV from something that could be far more common

If you are that worried about supply then maybe you could take some petrol in a drum and a generator.

The ICE is going, there will be some long term hangers on but most of them are getting nowhere near buying new vehicles so not really a consideration.


 
Posted : 12/01/2019 11:05 am
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It’s actually quite easy to make a petrol car very quick too, you just put an enormous engine into a small car. Has some drawbacks

Yes and it's the drawbacks I was talking about. There aren't any drawbacks to a fast EV.


 
Posted : 12/01/2019 11:08 am
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guess what you can refuel a EV from something that could be far more common

Not on a backroad in Australia, Texas, Alaska, etc. That's assuming there's actually a road. For city dwellers (like me), an EV is fine, but people who live way out in the sticks aren't going to buy something you can't top up from a can of gas.


 
Posted : 12/01/2019 11:09 am
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There aren’t any drawbacks to a fast EV.

They are still too expensive for most people. The Tesla is very impressive as a performance car, but $80k will also buy a pretty quick ICE car. In fact, you can buy an entry level Ford Mustang for under $30k. Tesla have nothing at that price point.

Ford Mustang


 
Posted : 12/01/2019 11:14 am
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Interesting info here about li ion batteries degradation over time.

https://batteryuniversity.com/index.php/learn/article/bu_808b_what_causes_li_ion_to_die

I think the writer is correct in that after 8 years you don't want to need to replace battery packs in cars due to excessive desegregation.


 
Posted : 12/01/2019 11:31 am
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Toyota have been pioneering this tech for a long time now, soon I reckon 50% of the cars drivability will be by the battery power and the other 50% for range topup and motorway driving with the engine supplementing the battery drive.

I don't really see the need for that additional petrol engine and fuel tank to be taking up space and adding weight in the car so the batteries are having to lug it about all the time. If the elec / batteries give you sufficient range for your day to day driving (presuming your the typical 5 days a week commuter with car parked up 10 hours and night and 8 hours a day) then for exceptional high days and holidays when you need more range it would make more sense just tow the genny in a wee trailer. For most peoples purposes you could just hire that add on for the few days a year its useful rather than concern yourself with owning and storing it


 
Posted : 12/01/2019 11:32 am
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I'm driving from the south Midlands to Aviemore later this year. It's 460ish miles. In my diesel car that's no fuel stops. How many times will I need to recharge a Nissan Leaf?

I also ride at FoD a lot. It's 45-50 miles each way. Will a Leaf or Zoe do that on one charge?


 
Posted : 12/01/2019 11:38 am
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Not on a backroad in Australia, Texas, Alaska, etc. That’s assuming there’s actually a road. For city dwellers (like me), an EV is fine, but people who live way out in the sticks aren’t going to buy something you can’t top up from a can of gas.

So massive minority of people then, glad your thinking about them so much. As I said just check a generator in the back 😉

This is going to be a 20+ year shift, we will catch up with those edge cases as we go along, they may well be the last outposts of the petrol car but they should not be any reason to hold up development.

Australia example - Rural is the term used to describe people outside of the metro areas or large towns.
https://tradingeconomics.com/australia/rural-population-percent-of-total-population-wb-data.html
10% of 25m so about 2.5 million people with 100% access to electricity. Very very few of them will drive 2-300 miles in one go frequently and 99% of the times they did would be past some sort of road house or stopping point. I seem to recall talking to someone who did one of the epic desert leisure 4x4 trips through the middle of Oz and there were still road houses and I'm sure they never went more than 300 miles in one stretch without seeing anything at all.


 
Posted : 12/01/2019 11:38 am
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I’m driving from the south Midlands to Aviemore later this year. It’s 460ish miles. In my diesel car that’s no fuel stops. How many times will I need to recharge a Nissan Leaf?

Guessing Leicester, google maps has that as a 7hr drive, you going to do that non stop? Not even a piss break?
The leaf or zoe is the wrong tool for that sort of drive so if you don't have an electric car that will do that range hire one for the trip, or for that exceptional drive hire a diesel car. With ranges pushing up to 350 and the fast charge for an extra bit it's probably not much different to driving and taking sensible breaks in the drive for staying alert and safe.

As for your FoD trips
https://www.renault.co.uk/vehicles/new-vehicles/zoe.html
just about 2 full round trips, range 186 miles


 
Posted : 12/01/2019 11:43 am
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I’m driving from the south Midlands to Aviemore later this year. It’s 460ish miles. In my diesel car that’s no fuel stops. How many times will I need to recharge a Nissan Leaf?

I also ride at FoD a lot. It’s 45-50 miles each way. Will a Leaf or Zoe do that on one charge?

So your diesel car that will do 460 miles is the same size car as a leaf or zoe? it must have a hella unusually big fuel tank for a small car.


 
Posted : 12/01/2019 11:49 am
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when you need more range it would make more sense just tow the genny in a wee trailer

Thats a pretty good point, I'd sooner hire one of those than a whole other car.

The high speed comes for free with EVs unlike in a petrol car.

Umm, no, the laws of aerodynamics still apply. What exactly is it you think you are getting for "free"?

The biggest stumbling block, personally speaking, is still the charging issue. No way of doing it on street, no way I'm owning an EV.


 
Posted : 12/01/2019 11:54 am
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There will be quite a lot of energy lost in the generation of electricity, charging the battery, then discharging the battery. I think it would be more efficient to use a small ICE (500cc perhaps) that provides enough power to cruise at 120 km/h on the flat and drive the front wheels through a CVT.

I think efficiency maybe missing the point (Plus I'm not even sure it's correct). What we need is to be able to get from A to B without emitting CO2. The batteries can be powered by solar panels wind etc.

As we all get use to it the car batteries will be a vital part of the grid. If I could plug in at work then I expect one day to be able to get cheaper electricity if I agree to let the grid use my battery. Charge when it's windy or when the sun is out. Maybe even discharge at times of peak demand. I assume I'll just have an App and If I click I need more than 40 miles a day until Friday I'll get cheaper electricity then If I say I need to fully recharge every day


 
Posted : 12/01/2019 11:55 am
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petrol engines used to generate electricity for topping up drive battery are 250-350cc,compact, lightweight, cheap, easy to package require smaller batteries.


 
Posted : 12/01/2019 11:58 am
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I’m driving from the south Midlands to Aviemore later this year

I'm driving 16 scouts to a campsite in Dorset later this year. They probably won't fit in my Leaf so I'll be renting something more suitable. However I'm driving a 30 mile commute today and Monday, and Tuesday and Wedne........


 
Posted : 12/01/2019 12:00 pm
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The biggest stumbling block, personally speaking, is still the charging issue. No way of doing it on street, no way I’m owning an EV.

Yep there is an infrastructure project to be done, much the same as fibre broardband, at the moment it's a bit like asking where you can get some petrol from 100 years ago....

There are charging posts being installed about the place (communal parking ones) that you pay to charge from, thankfully we already have a huge energy distribution network available to us to tap into. This is where cooperation is needed to develop a common charging standard (or at least a minimum one) and to work out how we want to roll that out.

There will be quite a lot of energy lost in the generation of electricity, charging the battery, then discharging the battery. I think it would be more efficient to use a small ICE (500cc perhaps) that provides enough power to cruise at 120 km/h on the flat and drive the front wheels through a CVT.

Part of the issue with the ICE is it pumps it's emissions out where it is, you are then relying on millions of bits of tech to reduce these, do it in bulk at the generation end and you can do more good and keep the cities and built up areas much more free of pollution.


 
Posted : 12/01/2019 12:06 pm
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The high speed comes for free with EVs unlike in a petrol car.

No it doesn't. Before you can engage Ludicrous mode in a Tesla you have to prep the batteries, which means using electricity to warm the batteries and do other stuff, which costs you range and probably reduces battery life and efficiency. Then the rate at which you use energy affects the range you get, so therefore by using the performance you're going to be consuming more electricity, which means more charging, and our electricity supply is not 100% clean yet, and it shortens the battery life, which means more mining of rare earth metals from around the world, shipping it all around the world, processing that material into other materials using processes that generates alot of waste and consume alot of energy, then manufacturing the batteries by shipping bulk materials around the world again etc. So no it doesn't come for free.

Like renewables in power generation that will form part of an energy generation portfolio including Nuclear and some fossil fuel generation, EV's will form part of a power portfolio...Some vehicles can be and will be fully EV, like family cars for example, some vehicles will be hybrids, like vans, trucks, and leisure vehicles, and there will also be a slot for good old fashioned internal combustion engines, though what fuel they'l be using will change.

This offering from Tesla is pointless and nothing more than a publicity stunt. Its pointless making an un-aerodynamic heavy vehicle an EV as the range will be crap (400 mile range my @rse), a full EV for an off road practical vehicle that will have limited range in areas away from any charging infrastructure is nonsensical (OK most owners will be using it on the road most likely but that's not the point)...and to top all that its a Tesla, which means it will be >£100k by the time you get it on the road and the build quality will be crap.

Best to wait for the mainstream manufacturers to bring properly engineered and developed products on stream. They'll leap frog Tesla overnight.


 
Posted : 12/01/2019 12:12 pm
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"This offering from Tesla is pointless and nothing more than a publicity stunt. Its pointless making an un-aerodynamic heavy vehicle an EV as the range will be crap (400 mile range my @rse), a full EV for an off road practical vehicle that will have limited range in areas away from any charging infrastructure is nonsensical (OK most owners will be using it on the road most likely but that’s not the point)…and to top all that its a Tesla, which means it will be >£100k by the time you get it on the road and the build quality will be crap.

Best to wait for the mainstream manufacturers to bring properly engineered and developed products on stream. They’ll leap frog Tesla overnight."

(It's not a Tesla)


 
Posted : 12/01/2019 12:14 pm
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The biggest stumbling block, personally speaking, is still the charging issue. No way of doing it on street, no way I’m owning an EV.

&

Range anxiety

FIFM

Thats why I think small petrol engined/ev  cars are the future.

I do wish everyone would got off the bandwagon of “it goes like stink” or “it’s incredibly quick” or “quicker 0-60 than xxxx”

If you want to go quick, get a track car.


 
Posted : 12/01/2019 12:19 pm
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Its not a Tesla and EV drive plus proper 4x4 is a perfect match. Loads of space for batteries and instant torque. They will sell like hot cakes even at 70-80k. That thing can tow almost 5 tons and drives like a supercar.

Shame about the grill though!


 
Posted : 12/01/2019 12:19 pm
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The biggest stumbling block, personally speaking, is still the charging issue. No way of doing it on street, no way I’m owning an EV.

I can see there being an awkward transition. Sitting in the rush hour traffic you're amongst 'most drivers' - most of whom have had their car sitting on the same drive all night and will have it sitting in the same carpark all day. But faced with those two opportunities to fuel up currently decide to drive to a petrol station instead. Once you convince those drivers that they, and their needs, are indeed ordinary and don't have any of the exceptional needs that underscores 'range anxiety' they'll easily make the switch.

For the outliers who's home arrangement or pattern of use is much less accommodating to charging then the option remains for ICE and popping into the local filling station. Fine. Until.... almost everyone else - that bulk of daily commuters from the subburbs - is using electric. Fuel stations already make a pretty pitiful margin on fuel sales - take away 80% of their business (or even just 20% I guess) and the price will go up and the cost of wide ranging distribution of decreasing volumes will result that outlying fuel stations will just close - those that are open might cut their loses by not opening 24 hours a day, or 7 days a week and only serve peak time customers instead to reduce their overhead. Suddenly the argument that petrol / diesel "is convenient and readily available anywhere' reverses. While I'm suggesting trailers to extend the range of electic cars it might be more a case of towing a bowser of fuel around with you if you have to stick with ICE 🙂 If your home / parking arrangement don't give you access to a plug then they don't give you somewhere to put your own bunded fuel tank either.


 
Posted : 12/01/2019 12:21 pm
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I can't even be bothered to make the same points over and over again every time an EV gets posted and arguing with petrolheads and greenies who think I'm saying something else

That truck is stupidly designed cos it's not aero and wastes battery capacity.


 
Posted : 12/01/2019 12:33 pm
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I've been using the Zoé for 18 months. My experiences in different countries.

France: I've got a Mobiv card for long journies and charge at home most of the time. There are lots of charge points, they work, they're rarely taken, they're cheap and most are 22kW. Autoroutes are the exception, stupid expensive. We usually aim at 250km between charges which leaves some in hand to get to another if it doesn't work or some tit with a plug in Prius has left his car for the day on it.

Germany: I've given up, besides with the energy mix in Germany you're running on brown coal. Stuff 'em with their tens of different expensive cards and apps. In Berlin every charge point we saw had a fully charged BMW or Merc hybrid hogging the charge point for the free parking. **** 'em.

Spain: Recargas app. Usually free, never squatted, usually 22kW, just a long way between them in the west which means driving at 80kmh to be sure of getting to the next one.

UK: Pod Points. Too many are only 3 or 7kw. We spent half a day in Romford because it was only 3kW rather than the 7 announced on the site and it took 4 hours to charge enough to get to the next fast charger. Some squatting with hybrids and ICE cars but not as bad as Germany.

I think it's a pity BMW are dropping the range extender, even the new version has less range than the Zoé and not needing to rely on charge infrastructure is enough to convince a lot of buyers that the i3 is viable.

In terms of how the Zoé has change my long distance driving, if the journey is on main roads I'm happy to stop for an hour or so rather than 10 mins every 200km or so. For long trips on motorways in Winter at night I use the Dacia Lodgy petrol. If I only had one car it would be an i3 with a range extender - and they're stopping the sale of those in Europe.

Very cold weather has a significant impact on range. The heater takes over 1kw and the battery loses capacity. It's currently showing 282km fully charged, in Summer it would be around 340km for the same type of use.


 
Posted : 12/01/2019 12:33 pm
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Very very few of them will drive 2-300 miles in one go frequently and 99% of the times they did would be past some sort of road house or stopping point.

It might not be an everyday thing, but quite a lot of people will sometimes want to drive longer distances with a car full of kids, plus a boat, trailer, caravan etc and not have to worry about finding somewhere to recharge out in the countryside in the middle of the night in shitty weather. I expect EVs will be a majority of cars within a few decades because they are ideal for city people with short commutes (i.e. most people, most of the time), but there are still a lot of people who need the range and versatility of an ICE.


 
Posted : 12/01/2019 12:40 pm
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I can’t even be bothered to make the same points over and over again every time an EV gets posted and arguing with petrolheads and greenies who think I’m saying something else

So instead of making them over and over why not make them coherently? You said the high speed was free, it's really obviously not. What is it you are actually trying to say?

If your home / parking arrangement don’t give you access to a plug then they don’t give you somewhere to put your own bunded fuel tank either.

You seem to be proposing that anyone who doesn't have a driveway can go whistle? Meanwhile everyone else can carry on as normal. That's helpful. Of course in reality petrol stations will be around for a long time to come to service the needs of everyone who can't afford a new car or who's needs aren't fulfilled by an EV. As tech trickles down it becomes less of an issue and you would hope infrastructure would keep up.

Just another thought, what if your trailer was another battery bank? Now that actually makes more sense as you could swap it out at certain charging stations and carry on your way. Ideal for those few times a year trips.


 
Posted : 12/01/2019 12:52 pm
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You can buy a battery trailer for the Zoé.

4:31 if you're not inte"rested in the bla bla and just owant to see what it looks like. With the old 23kWh Zoé and the state of infrastructure 2 years ago it was a good idea. Now with 41 kWh I can't see the point for something I'd use three times a year.


 
Posted : 12/01/2019 12:58 pm
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You said the high speed was free, it’s really obviously not. What is it you are actually trying to say?

In a petrol car there is a trade off between increased maximum power and efficiency at cruising speeds. In an EV there is not.

That's why really fast petrol cars tend to be less economical.


 
Posted : 12/01/2019 1:02 pm
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In a petrol car there is a trade off between increased maximum power and efficiency at cruising speeds. In an EV there is not.

There will be a trade off because it will need more powerful motors and more robust components such as tyres, brakes, etc. That will cause increased frictional losses, which will reduce efficiency. On top of that, if you want to use the increased power very much, then you will need a bigger battery pack, so the car must be physically bigger, so aero drag will increase, which will reduce efficiency. Thing is, why buy an EV that can perform like a supercar if you never use the performance? If you actually use the performance, the range will be massively reduced.

Similar things apply to ICE vehicles. If you take a standard car and fit a more powerful engine and drivetrain, but still drive it at the same speed as before, the fuel economy won't be all that much worse. Problem is that powerful cars are generally larger and heavier, plus they get driven more aggressively. Once you start driving any car fast, the fuel economy plummets, so it's really comparing apples and oranges.


 
Posted : 12/01/2019 1:17 pm
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With variable valve timing, turbos and higher gearing the inefficiencies due to valve overlap and high revs are pretty low at cruising speeds now, Molgrips.


 
Posted : 12/01/2019 1:20 pm
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Almost 18 months in of owning a hybrid has convinced me enough to go full EV on the next gen. The range has increasing massively and the charge times falling, VW are pushing out their mobile charge stations. They claim to charge the e-golf in 15 minutes, about the time it would take to stop for a pee on that annual trip to Aviemore.


 
Posted : 12/01/2019 1:31 pm
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Also making it shaped like a truck it stupid, it could get 50% more range if it were aero.

Unless of course you are trying to sell to a market that really likes trucks. Then not so stupid (business wise, at least).

We’ve taken the plunge in our household and had a second gen leaf for about a month now. Apart from occasional IT issues with its app, the ownership experience is shaping up to be phenomenal.


 
Posted : 12/01/2019 1:42 pm
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The engine to charge the battery idea is not efficient as it sounds.

I know for sure that a mid size family hatchback running as a series hybrid needs the same size engine as combustion engine only.

Ok the engine runs at peak efficiency but by the time you add up the extra manufacturing cost there's not much point.

It makes more and more sense as the car gets smaller so maybe just superminis etc will use this.


 
Posted : 12/01/2019 1:44 pm
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Now with 41 kWh I can’t see the point for something I’d use three times a year

Well, no, that's why we were proposing just having them available for hire rather than keeping them yourself. Probably better for the battery to get used regularly than sitting idle most of the time unless you had a suitable use for it the rest of the time.

In a petrol car there is a trade off between increased maximum power and efficiency at cruising speeds. In an EV there is not.

That’s why really fast petrol cars tend to be less economical.

Okay I see where you are coming from now.

Still not true for the reasons hols2 has given plus a biggie that was left out - weight. Higher rated motors = bigger = more weight in the stator (bad) and rotor (really bad). Plus that bigger battery slab. Then the beefed up chassis and suspension. All this weight needs more power to lug it about and so on.

I can see where your thinking was but life is never that simple.


 
Posted : 12/01/2019 1:47 pm
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All this weight needs more power to lug it about and so on.

On flat roads at steady highway speeds, most of the drag is aero, so the increased weight won't have such a huge effect on the rolling resistance for either an EV or ICE. In town or on hilly terrain, it will make a huge difference to an ICE because you are building up kinetic energy then bleeding it off as heat from the brakes. For EVs with regenerative braking, the weight should have a smaller effect because some of that energy can be recovered. So, it's complex, but generally a powerful (i.e.) heavy EV will be less efficient than a light one, but not as bad as a heavy ICE vehicle compared to a light one.


 
Posted : 12/01/2019 1:59 pm
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Toyota have been pioneering this tech for a long time now.

You can buy a fully petrol BMW for the same price with considerably higher fuel efficiency than a Prius. What's the point?


 
Posted : 12/01/2019 2:24 pm
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I quite like the design. Sure it is over the top for uk / europe but aimed at US market where there are loads of such huge vehicles. Great to see the design taking advantage of the removal of petrol engine & transmission etc. Appears to be very good functionality wise. A more modest sized vehicle could be spot on.

I would be worried if i was a main stream car manufacturer that has not already got sone serious RnD on the go. The Rivian cars are going to be on the road for customers next year.

Rivian - Fully Charged


 
Posted : 12/01/2019 2:30 pm
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15 minutes, about the time it would take to stop for a pee

you should probably get that looked at.


 
Posted : 12/01/2019 2:39 pm
 Drac
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you should probably get that looked at.

Are you volunteering?


 
Posted : 12/01/2019 2:40 pm
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It might not be an everyday thing, but quite a lot of people will sometimes want to drive longer distances with a car full of kids, plus a boat, trailer, caravan etc and not have to worry about finding somewhere to recharge out in the countryside in the middle of the night in shitty weather.

I admire quite how hard you are trying to find the exceptions there!! The petrol station they stop at will probably be closed at night too, especially if it's miles from anywhere 😉
Boating however is the perfect one, everyone turns up to the ramp, unloads the boat and then parks up, easy to put charging points in the car park 😉


 
Posted : 12/01/2019 2:59 pm
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Imagine if we had an electric infrastructure and Elon Musk developed and wanted to push the ICE - would we want to swop to mechanically complex locally polluting technology?


 
Posted : 12/01/2019 3:13 pm
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The petrol station they stop at will probably be closed at night too, especially if it’s miles from anywhere

24h garages exist, even in the sticks.


 
Posted : 12/01/2019 3:19 pm
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You can buy a fully petrol BMW for the same price with considerably higher fuel efficiency than a Prius. What’s the point?

I don't think you can. That needs backing up.


 
Posted : 12/01/2019 3:27 pm
 Drac
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24h garages exist, even in the sticks.

Just like EV chargers. There's villages up here that need to do 30 mile trip for fuel or 1/4 mile to an electric charge point


 
Posted : 12/01/2019 3:33 pm
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Re efficiency, the new Tesla model 3 gets 4.1 miles per kWh according to greencarreports.com and the Leaf appears to be about 3.8. Show me an ICE supercar that gets better MPG than a small family ICE runabout.

Yes sports cars have bigger tyres and slightly bigger motors but it's not that big a difference.

For a big ICE engine you need more big cylinders that all need filling with fuel even if you are only cruising. And the bigger petrol cars also have bigger tyres heavier gearboxes etc and much heavier engines.


 
Posted : 12/01/2019 3:37 pm
 5lab
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it does surprise me that there is no concept for a 'piggyback' generator/batteries, rather than trailer. A car uses less than 25bhp at cruising speed (yes it goes up when you accelerate, but if you're just generating power it'd be covered) - even including losses, a 500cc engine would be easily enough to produce that much power. Surely it'd be possible to produce something that's not hugely heavy to hang behind the car (similar to a thule easybag), with a standard interface so it could be used on a variety of cars? Then you could buy an electric car, and just rent the genny when you needed it for the odd longer drive (in my case, it'd be for 1 week a year if I happened to be going to mid-europe).


 
Posted : 12/01/2019 3:51 pm
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You can buy a fully petrol BMW for the same price with considerably higher fuel efficiency than a Prius. What’s the point?

I don’t think you can. That needs backing up.

Indeed, and it means buying a BMW.

The small petrol engine used as a generator is a simple and I reckon effective solution. Quite why BMW have dropped the range extender form their horrendously expensive i3 is frankly "ludicrous"

🤪


 
Posted : 12/01/2019 4:05 pm
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That truck is stupidly designed cos it’s not aero and wastes battery capacity.

Yes but it’s a truck. Americans love their pick ups and are wedded to the big petrol and Diesel engines in them. If someone can make a vehicle that looks like and works like what they have, is faster than what they have, but has the advantages of less fuel cost then it’ll get people thinking “hey maybe electric can work for me”. They might not buy one but it starts to make it more relevant to them and they’ll consider buying something like that one day maybe a it earlier than if it hadnt been made.

The ludicrous mode in Tesla’s is the same. It’s for the publicity of course because you can’t use it very often at all but it creates desire in people who don’t give a crap about emissions.


 
Posted : 12/01/2019 4:40 pm
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So your diesel car that will do 460 miles is the same size car as a leaf or zoe? it must have a hella unusually big fuel tank for a small car.

Not really, most cars have a minimum ten gallon tank so that would be 46mpg, which on a modern diesel should be no problem. My old 95 106 diesel would average well over 50mpg.


 
Posted : 12/01/2019 4:48 pm
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Even more American EV truck

65k starting for that rivian makes it cheaper than a model3 in awd guise.
It'll do surprisingly well I think. Plus the suv version that lends itself to the rest of the NA market who don't want a sedan.


 
Posted : 12/01/2019 4:52 pm
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I agree with all the adoption points above - and as a household, I hope we have our last two pure petrol and diesel cars. EV will be one of our next cars.

I think many of the 'ah, what about Aviemore once a year' worries are answered by car clubs. Buy a Zoe / leaf etc and get a people carrier for four weekends hire a year - and use of EV from train stations.

My big concern is still that buying any new car is a huge environmental issue.

We have to move closer to work, use feet and pedals to get around more - and not build more cars.

Secondly, I'm not convinced of the creation and disposal of the batteries in EV's and I can see it being the next diesel-gate.


 
Posted : 12/01/2019 4:52 pm
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Secondly, I’m not convinced of the creation and disposal of the batteries in EV’s and I can see it being the next diesel-gate.

The batteries when they hit a point that are not good enough for a car can end up as power wall or battery farms. Getting loads more life from them.


 
Posted : 12/01/2019 5:20 pm
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Quite why BMW have dropped the range extender form their horrendously expensive i3 is frankly “ludicrous”

Guessing people weren't buying it.

We have to move closer to work

That's not going to happen and I'm not convinced it should. It worked well enough when people worked at their local factory their whole lives, but the world has moved on from that - and for the better from my point of view. I'd hate to do the same shite in the same place for my whole life. A mobile workforce is very important to help economic growth.

But really, what we need is for work to move closer to us.

Secondly, I’m not convinced of the creation and disposal of the batteries in EV’s and I can see it being the next diesel-gate.

That's why we need governments stepping in to control the situation. Batteries should be recycled into more batteries at EOL.


 
Posted : 12/01/2019 5:38 pm
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Linky

Posted : 12/01/2019 5:39 pm
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So your diesel car that will do 460 miles is the same size car as a leaf or zoe? it must have a hella unusually big fuel tank for a small car.

No, it does 650 miles on a normal tank, a run to Scotland will see that well over 700. But that doesn't give you the opportunity to ask smug questions, does it.
It's an 8 year old 5 series estate, a second hand Zoe or Leaf is all I could afford so it's a fair comparison.


 
Posted : 12/01/2019 5:41 pm
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and how often do you drive to Aviemore? Do you do it in one run without stopping?


 
Posted : 12/01/2019 5:43 pm
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We have 3 members of my sailing club that have i3’s, 2 members have Tesla’s.

Those 5 people are campaigning for an EV point to be installed, where do they want it.. yes that’s right.. right next to the entrance.

The reason is so they can park their car all day in it right next to the main entrance.

#conveinientparking


 
Posted : 12/01/2019 5:44 pm
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Edukator

A useful post

Edit It was the one about owning a Zoe. I didn't see the second page of posts

A repeat useful post might result in a ban 😉


 
Posted : 12/01/2019 6:07 pm
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and how often do you drive to Aviemore?

Not nearly as often as I'd like, and there's loads of other Scottish venues I want to visit. It was just a question using real journeys to get answers.

Do you do it in one run without stopping?

Of course not, but a quick pee stop is not the same as a charging stop.

Don't get me wrong, I like the idea of EVs but the sort I can afford is a very long way from the Rivians, Teslas and even new, bigger batteried Zoes.


 
Posted : 12/01/2019 6:20 pm
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I dunno why these threads always have someone coming on saying 'yeah but I can't use one for my big hell for leather drive across Europe'. Yeah, we know.

EVs are a thing, lots of people could use one, lots could adapt their usage to use one, but some not. They're not perfect, of course not, and we know they are expensive. But they'll develop, and they'll become better and cheaper. And then we'll see more on the roads.

Of course the government could ban private ownership of ICE cars, and EV sales will come with a month's ICE car hire each year as part of the deal, and we'll be fine.


 
Posted : 12/01/2019 6:29 pm
 Drac
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Of course not, but a quick pee stop is not the same as a charging stop.

How long does it take you from parking up, entering the service station and then back to the car?


 
Posted : 12/01/2019 6:35 pm
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Reckon it's quick enough to get a decent fast charge in 😉 Or enjoy the extra 15 mins to relax a little.

Or just hire something for the big drive, the big companies will now deliver it to you too. It's back to the riding a 180mm bike around everywhere for the year because you go to the alps for a fortnight.


 
Posted : 12/01/2019 6:40 pm
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How long does it take you from parking up, entering the service station and then back to the car?

I just usually stop & go behind a tree/fence/wall, takes about 30 seconds then I'm on my way in the Mondeo that's doing 50+ mpg, the one I've had 700 miles out of on a tankful on a number of occasions.
Don't think Ive ever spent 15 minutes in any location having a piss.


 
Posted : 12/01/2019 7:05 pm
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Don’t think Ive ever spent 15 minutes in any location having a piss.

Some of us have a little more time to chill, a leisurely walk across the car park, ino the services and of course remembering to was your hands after 😉


 
Posted : 12/01/2019 7:08 pm
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