EV general discussion

VincentHanna said:
Kona's biggest issue seemed to be FWD traction, from the reviews I watched on Youtube
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not sure problem of poor traction control is limited to them - another symptom are bevs which ask you to disable regen when it is icy,
but in the UK the more practical ramification would be worn tyres or, ... possibility to break traction on a bend, is something that would interest me on a test drive.
The issue, per bmw's ARB technology, is speed with which bev's can identify and respond to slip ... you can see why electronics components bills in cars is increasing.
 
jpaul said:
whether the battery warmer/sel reference is an indication of a heat pump ?
(even though model3 cold test only lost commendable 20% range w/o heat pump), I still think manufacturers are dishonest on clearly indicating whether they have those or not.

The massive height of the bonnet, whilst, it maybe has to balance the cabin height on an suv type car, can't all be filled with equipment/footwells, and, looks a bit OTT
edit: lets have a bigger windscreen/more light
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Kona has a heat pump. I believe only the very early cars didn’t have it. It has had switchable battery heating since MY2019. If you look back a few pages you’ll see that I posted pictures of the Frunk I’ve fitted to my Kona. It’s decently sized. The front is pretty empty.

The Kona/Niro platform was always designed to be fully flexible so it always had space for the battery, the motor, the inverter and an ICE engine and petrol tank. There is epic amounts of wasted space under the bonnet and boot floor in the BEV that is filled with other components in the ICE, self-charging hybrid and PHEV models.
 
VincentHanna said:
Kona's biggest issue seemed to be FWD traction, from the reviews I watched on Youtube.
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There is literally no difference between the Kona and the e-Niro mechanically. Yet the Kona apparently has severe traction issues that the e-Niro doesn’t. Why? The RHD Kona is built in Korea and fitted with Nexen Eco tyres. The e-Niro is built in Slovakia and fitted with Michelin Green tyres. So, if you swap the tyres in the Kona for Michelins the problem is resolved. Oh, and don’t drive it like a **** in Sport mode.
 
RoboCod said:
Apparently the Kona batteries made by LG are rumoured to be getting recalled and replaced. This could impact other hyundai too.

https://electrek.co/2021/02/17/hyundai-reportedly-set-to-replace-kona-lg-batteries-in-korea/
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There is already a group action in the US to get them buy back any potentially affected cars. UK and Australian RHD cars are built in Korea like the US cars. European market LHD cars are built in Slovakia with the Kia e-Niro and use a different battery supplier which isn’t supposed to be affected.
 
GinG said:
That Ioniq looks interesting.

We are still waiting for a confirmed delivery date on our ID3 but I'm already excited about what will be available on 3 years time when we look to change.
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Have you seen all the cold weather range threads on SpeakEV? Apparently if you drive the car with the battery and cabin heaters off a 5C ambient temperature you get efficiency of about 3 miles/kW. Fair enough. If you then turn on the battery heater you get efficiency figures of about 1.8 miles per kW. And if you then turn on the cabin heater you get efficiency figures under 1 mile/kW. People are reporting projected range figures of under 60 miles on the 58kW cars.
 
WJA96 said:
Have you seen all the cold weather range threads on SpeakEV? Apparently if you drive the car with the battery and cabin heaters off a 5C ambient temperature you get efficiency of about 3 miles/kW. Fair enough. If you then turn on the battery heater you get efficiency figures of about 1.8 miles per kW. And if you then turn on the cabin heater you get efficiency figures under 1 mile/kW. People are reporting projected range figures of under 60 miles on the 58kW cars.
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Which car was that for?
 
WJA96 said:
Have you seen all the cold weather range threads on SpeakEV? Apparently if you drive the car with the battery and cabin heaters off a 5C ambient temperature you get efficiency of about 3 miles/kW. Fair enough. If you then turn on the battery heater you get efficiency figures of about 1.8 miles per kW. And if you then turn on the cabin heater you get efficiency figures under 1 mile/kW. People are reporting projected range figures of under 60 miles on the 58kW cars.
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Nope, haven't really looked into anything other than reviews to be honest.

Wife only drives around 40 miles to and from work so won't really matter too much.

I guess it's some sort of software bug causing this? I mean if it's really as poor as that I will be looking to reject the car as its well below the stated mileage.

Edit : does this only effect those with a battery heater? Pretty sure this was an add on which we didn't spec?
 
Journeys too small to even matter. Taking off the cold soak is the same for short or long journey so clearly will drive average up loads. Just like an ICE with short engines, just the kW of waste mean the warm up is much much shorter. Ie consider similar to 1 mile journey.
 
GinG said:
Nope, haven't really looked into anything other than reviews to be honest.

Wife only drives around 40 miles to and from work so won't really matter too much.

I guess it's some sort of software bug causing this? I mean if it's really as poor as that I will be looking to reject the car as its well below the stated mileage.

Edit : does this only effect those with a battery heater? Pretty sure this was an add on which we didn't spec?
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The battery heater is part of the cars build, not something you can deselect as an option, you may be thinking of the heat pump.

The issue is to do with the battery heater using a great deal of energy when it is cold, in order to get the temperature of the pack up to a level VW have deemed acceptable for use, so when doing short journeys of a few miles there is huge amount of energy used just to warm the pack up, and inevitably also the PTC heater to warm you inside the car, so the efficiency looks abysmal. On longer runs the actual efficiency even in the cold is no where near as bad as being made out.
 
Jonnycoupe said:
Journeys too small to even matter. Taking off the cold soak is the same for short or long journey so clearly will drive average up loads. Just like an ICE with short engines, just the kW of waste mean the warm up is much much shorter. Ie consider similar to 1 mile journey.
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But that’s the thing. Many, many, many people are getting these cars on 8000 mile per year PCPs only doing 3-5 miles in each direction to/from work or train station and they are having to charge up much more often than they expected.
 
Journey said:
The battery heater is part of the cars build, not something you can deselect as an option, you may be thinking of the heat pump.

The issue is to do with the battery heater using a great deal of energy when it is cold, in order to get the temperature of the pack up to a level VW have deemed acceptable for use, so when doing short journeys of a few miles there is huge amount of energy used just to warm the pack up, and inevitably also the PTC heater to warm you inside the car, so the efficiency looks abysmal. On longer runs the actual efficiency even in the cold is no where near as bad as being made out.
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But who is buying these cars? People who do short trips. It’s MASSIVE on SpeakEV. People are properly spitting their dummy out. Because if you do use the car for short trips it’s a lot of charging they weren’t expecting. And if you thought, 260 miles of range, I only do 250 miles per month - I can live without any charger at home, that’s a lot of extra time spent charging.
 
That guy didn’t make that video because he’s sponsored by Hyundai, he made it because people were asking why is the range so bad on my iD3. Clearly it IS an issue.
 
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