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wyx087

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Everything posted by wyx087

  1. That's about right, it needs about 20kW for 70mph cruise, if heating takes up 11kW, that's about 33% additional consumption. Indeed, absolutely no one will put the heating to max for such long period of time, it's an unrealistic test. But other data are interesting. Roof box had a smaller effect than I thought. Would also be interesting to see if rear tow-hitch mounted bike rack have a smaller efficiency penalty.
  2. Too long didn't watch? This is the summary: I personally think +4 passengers will be higher in normal use due to constantly needing to change speed. I also think the MEB platform isn't doing all it can (eg. Tesla style heat scavenging) to be more efficient when all systems are on. That scenario should not have such a big effect on the range. But then, MED cars are not the worst either (eg Ford, fat eTron and Taycan).
  3. Oh my bad, I misread. I thought there was a misunderstanding between front assist warning and warning about front assist not working.
  4. Classic case of crappy dealers not giving a rats backside about their paying customer. They'll do all the unnecessary work if you don't know better, because it's easier to not explain things. When you get too near too quickly, it flashes up this front assist warning. This is the system working correctly does not require calibration. If you get warning that adaptive cruise and front assist not available, this is where the radar needs calibration.
  5. Agree with weight based taxation. But I'm afraid you won't be seeing cheaper off-peak prices disappear. Net-zero policy is the exact policy that drives these cheaper periods. As we adopt more and more renewables on the grid, we need more and more demand to be non-time-dependent. Meaning the demand cannot be like oven or kettles, it need to be able to soak up cheap/excess newable independent of usage time. So as example, if we install more wind, overnight cheap periods will be even cheaper. If we install more solar, mid-day cheap period will appear. If we get both done, morning + evening will become super expensive periods, other times cheap periods. Commuting 500 miles on a daily basis is very extreme....... I've talked about this before. Vast majority of people don't need to refill their battery 0-100% overnight. Driveway charging only need to re-charge the daily range. For example, despite only have 3 kW charger on my car, I can take 2 nights to fully recharge my Leaf in the super cheap 4 hour slot. One night 0-80%, drive a bit and then next night 30-100%. Road-side charging would be different, but you are unlikely to be limited by cheap tariffs, you are more likely to pay a flat rate and often more expensive than domestic price unfortunately.
  6. Thank you so much for the updates. It's great to see progress at sites I want to use. When I get to use it, I probably won't be as bitter about them.
  7. That just me with a Chademo car talking, where old Ecotricity chargers has been very reliable. Of course, it's a completely different story for CCS cars. So for vast majority of people, replacement can be considered a quick win. But then, looking from Chademo car perspective again, newly installed 2 replacement chargers actually only have 1 Chademo vs 3 CCS plugs....... it's only an improvement when they install 6 chargers and thus 3 Chademo plugs.
  8. Should be bare minimum these days!! I think the firmware update is coming "very soon". So they've decided to put the physical signs up to avoid re-working all the sites. Gridserve directly replacing Ecotricity chargers is not good enough and waste of money IMO. The point of Gridserve is to be the future of rapid charging by having battery reserve at all sites so that you can usually get full power delivered regardless of grid connection restrictions. I'd rather they don't power off old Ecotricity chargers, and concentrate on installing hubs.
  9. This community one looks to be updated regularly: https://www.google.co.uk/maps/@51.7579127,-1.1755871,8.67z/data=!4m2!6m1!1s1otTlinrsR3oWlKaGIiXX8YorukkiS38V I currently only need the South Mimms and London gateway chargers, both of which have been offline for months. 😥
  10. If only councils in England have similar forward thinking capabilities. Barnet, my council, was the ONLY one in greater London to opt-out of no engine idling campaign. 🤮 There definitely need to be SOME tax payer's money to kick start the switch to a less polluting form of transport. Early on, it was ill conceived grants pay a tiny amount of tax payer's money into individual's pockets, eg those who can afford new cars and have driveways. But on the other hand, if we remove all fossil fuel subsidies........ invest that huge amount of tax payer's money into the public charging infrastructure......
  11. I've had the same fault for ages now. I think the controller inside the rear-mirror is broken. Replacement part for the whole mirror assembly is silly money. Did not know there is a switch in the infotainment system, I shall turn it off. Thank you. (I no longer spend much time in this car since WFH)
  12. Whoever pays for the car parks to be built, and car park operator. That's for the <7kW chargers. (eg. supermarkets, workplaces, household driveways, etc) 43 kW and faster rapid chargers should be paid for by charging network operators (see Gridserve, BP Pulse, etc) or car manufacturers (see Tesla, Ionity) Only the early experimental ones installed by the council are paid by tax payer money. They are unreliable due to being early units and poorly maintained. Going forward there shouldn't be any more.
  13. It's the classic catch 22 problem. EV is good for lower mileage because of range, but to get the savings, you need to be driving a certain amount. The highest possible saving is achieved by doing what I was doing: buy cheapest possible EV and max out its range during commute pre-Covid on most weekdays. Now, my wife drives it ~10 miles a day for school run, fuel cost doesn't really come into play. Good to hear your plan on your house. I think energy storage is key going forward with more and more renewables on the grid. It can be immersion heating, storage heater or battery, anything to automatically off-set your usage against electricity cost. Just installing solar, like I have, is pointless now without FiT.
  14. That's the problem. All of today's finance is worked out based on a zero levy paid against the environmental damage done by fossil fuel. So at a personal level, there's no reason for me to get heat pump when it's cheaper and easier to continue burn natural gas for home heating. The energy market is fundamentally broken with regard to the environmental targets but no one is able to or willing do anything about it. I do understand my particular deal with Bulb is difficult to find nowadays. I was planning to switch to Octopus around now for the Go tariff if the market haven't imploded. I hear the Octopus Go tariff is now 7.5p for cheap periods (from speakev forums), which still isn't too bad. Of course, smart meter is required...
  15. I just switched from Bulb E7 13p/kWh during 0:30-7:30, 24.3p/kWh other times, to Bulb EV tariff 5.7p/kWh 2-6am, 25.5p/kWh other times. Reprogrammed the charge timers, re-programmed home appliance timers. We usually use over 60% on E7, if we can stay above 50% for 4 hour period, it'll bring down overall cost massively. 4 hours is enough to charge vast majority of Leaf's tiny battery despite only having 3kW charger. I looked closely, from 18% to 100%, it charged at max rate for just under 4 hours before dropping to do last % and cell balancing, probably 2-3kWh outside of cheap window if I charge up to 100% from under 20%. But with 12p/kWh charging now available at work, it is rare to go down this low. Yes, without cheap charging EV doesn't add up. But why would you stay on existing tariff when there are better and more suitable time-of-use ones available?
  16. The Ford should be plugged in on one of the AC chargers. But many people don't even carry cable with them, this is the dealer's failure to educate during delivery. Not surprising from Ford dealer TBH. The huge number of AC chargers is great to see at park+ride.
  17. Nail on the head! The reason my family isn't 2 EV's is because I'm not spending £45k just to have a long range car parked up on the driveway to be used for a few long journey and occasionally commuting (WFH most days now). I have an older Octavia because its depreciation is very low and I don't trust UK's public charging infrastructure. Last time I needed charging, someone sat on Morrison's rapid for over 1 hour, near my destination where I spent an hour. Plan B Electric Highway chargers were offline. Plan C Shell charger had a Renault van on slow AC and said he'll be there for another hour. Plan D Shell charger doesn't appear on their official app, and had to phone to get a charge started. Milton Keynes is great, I wouldn't hesitate driving my EV there. I also happily drive towards Braintree and surrounding area thanks to the Gridserve charging forecourt. I would NOT dream of driving anywhere else outside my home range in any EV's other than Tesla. When I first got my EV in 2017, it wasn't like this. 2 rapid chargers were plenty. Now, single or dual charger locations are pretty much useless, liable to queuing or out of service. At no point in early 1900's people thought "I know, I'll put a single petrol pump unattended, somewhere random." I don't understand why it's okay now. Sorry for the rant.
  18. Tesla Model 3 LR: 1919 kg https://ev-database.uk/car/1321/Tesla-Model-3-Long-Range-Dual-Motor BMW 3 series xDrive diesel with similar performance: 1820 kg https://www.parkers.co.uk/bmw/3-series/saloon-2019/m340d-xdrive-sport-automatic-4d/specs/ 99 kg difference. I'm not a fan of comparing the same model of car that are made to be both EV and ICE, because there are redundant frame structure when battery are fitted (structural battery saves on frame material). EV need to be on dedicated EV platform. But for fairness and interest of science, here are 2 like-for-like: Kia Niro and e-niro same trim: Petrol hybrid: 1490kg https://www.parkers.co.uk/kia/niro/suv-2016/4-16-gdi-156kwh-lithium-ion-139bhp-dct-auto-5d/specs/ Electric: 1812kg https://www.parkers.co.uk/kia/e-niro/suv-2019/4-64kwh-lithium-ion-201bhp-auto-5d/specs/ 330 kg difference. It is 182 kg under 2 tonne, 282 miles range, good size as Octy replacement. MG ZS exclusive trim: Petrol: 1239kg https://www.parkers.co.uk/mg/zs/suv-2017/exclusive-15-dohc-vti-tech-5d/specs/ Electric: 1534kg https://www.parkers.co.uk/mg/zs-ev/suv-2019/exclusive-auto-5d/specs/ 295 kg difference. But the petrol only got 2 star safety rating in 2017, whereas the EV got 5 starts in 2019. Reason being the petrol version is missing many safety tech. Hardly 1 tonne of battery, all EV's above are less than 2 tonne. 2 out of 3 can do ~300 miles. More like 500kg. (Tesla 3 long range 300+ miles battery is 480kg). Whilst a 4 cylinder diesel engine weighs ~200kg, excluding other parts of drivetrain.
  19. EV generally are only heavier by 200 kg, if it is heavier at all. This is a good summary of current state of hydrogen, why it only makes sense for a small group of car owners
  20. Wait, why is the ice on the inside!?
  21. What's the typical parking time at those car parks? AC fast chargers are also known as destination chargers. I don't agree with having a time limit on those. It's more of a convenience feature of the parking spot. But if I have to go out of my way moving the car, it's no longer convenient. 70min on rapid is totally needed, rapid need to have high availability and rapids are like petrol stations, fuel up and leave.
  22. There's many issues with that kind of thinking: 1. Li-on battery production calculations is based on current grid figures. Battery factories can be solar powered. 2. The 124g/km figure comes from current grid figures. EV gets greener as time goes on due to de-carbonisation of the grid. Whereas the CO2 emission and fuel economy of ICE stays constant throughout its life, if well maintained. 3. Although the 124g/km reads only average for today's ICE vehicles, but one has to remember this figure inclusive of vehicle production, electricity production and transmission and vehicle usage. Whereas today's vehicle emission figures only covers pump to wheel. It is missing fossil fuel drilling, extraction, transport, refinery, transport and storage. Same with hydrogen combustion engine, is that inclusive of creating the hydrogen? 4. "when it's windy" is perfect for mass adoption of EV's, because when they are not being used as cars, they work perfectly as energy storage device. 5. Regarding hydrogen, to achieve zero tailpipe emissions, it would still be electric motors driving the wheels, so in terms of feel, it would be similar to EV. But problem is that green hydrogen, the only hydrogen worth adoption, looses half of its power during electrolysis process, the overall efficiency is so low it is too wasteful to adopt without much higher energy generation capacity. In the near future, we need those capacity for electrification of heating. 6. Regarding power plants, it is clear we are moving towards time-sliced tariff in the domestic market. So owning any kind of energy storage capacity will greatly help the grid while gaining financially by charging off-peak. EV vehicle-to-load capability are being experimented, meaning soon, it can function as house battery helping offset home energy cost. https://www.theguardian.com/environment/2020/mar/23/electric-cars-produce-less-co2-than-petrol-vehicles-study-confirms [quote] In countries such as Sweden, which gets most of its electricity from renewable sources, and France, which is largely powered by nuclear, the CO2 savings from using electric cars reach as high as 70% over their conventional counterparts. In the UK, the savings are about 30%. However, that is likely to improve further as electric vehicles grow even more efficient and more CO2 is taken out of the electricity generating system. “The idea that electric vehicles or heat pumps could increase emissions is essentially a myth,” said Florian Knobloch of Nijmegen University in the Netherlands, the lead author of the study. “We’ve seen a lot of disinformation going around. Here is a definitive study that can dispel those myths.”[/quote] Steam engines are cool and appreciated by a small group of dedicated fan, so will ICE in a couple of years I think your mistake was posting this in the EV subforum initially (which was the reason I posted and subsequently became following the thread), clearly your intension was to chat with like minded people who likes ICE. Sorry for derailing your thread
  23. It sounded like you were saying the direction car industry is going is not a good one. I’m just pointing out that is just the perception of a few individuals. 😉
  24. Unlike washing machines and fridge/freezers, there are many group meets for EV's, car is still a passion for many. Just a change of powertrain does not change people's passion for cars. CENEX LCV and Fully Charged show are good examples of organised shows. Make no mistake, people will turn out to meet if they are interested. In 2018, before Tesla Model 3 came out in Europe, someone shipped an early one across the pond to show it to people and road trip around Europe. I lend him my cable. Later that night about 30min after he shared his charging location and he's free for people to come and see the car, about 30 people turned up on such short notice. Sorry to say, I think this is the root of the issue, the change in powertrain meant YOU are no longer interested and YOU don't like the change of target audience.
  25. Good summary of public charging experience today. It's been 11 years since first modern EV became available as Nissan Leaf. In 8 years time government want most people to buy EV's..........

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