Interesting article on BMW's transition to EV .

[goingbush]

www.bloomberg.com/features/2019-bmw-electric-car-german-engines/ (http://www.bloomberg.com/features/2019-bmw-electric-car-german-engines/)

[ian4002000]

Great article, thanks for posting it

[NavyDiver]

Out running and had a little BMW glide past me. Never seen one like it before Only a short range I note.

BMW i3 : Introduction (https://www.bmw.com.au/en/all-models/bmw-i/i3/2018/introduction.html?gclid=EAIaIQobChMI8NPOovCN4wIVyD UrCh2i_ADaEAAYASAAEgKLE_D_BwE&gclsrc=aw.ds)

[speleomike]

www.bloomberg.com/features/2019-bmw-electric-car-german-engines/ (http://www.bloomberg.com/features/2019-bmw-electric-car-german-engines/)

Most interesting is the last sentence:
“The numbers of hours worked to make an electric motor are smaller than for a combustion engine,” said Carreiro-Andree, the BMW board member. “That’s a fact.”

It's the economics that will be the death knell for ICEs. As production is ramped up EVs will become cheaper than ICE cars even without Govt subsidies or ICE taxes. Similar to renewables versus nuclear. Once EVs are cheaper, users will stop buying ICE cars, and most consumers are in cities where a low end EV has sufficient range. If they want to go on a long trip, they'll hire a longer range vehicle.

Mike

[DiscoMick]

Reading about Zero electric motorcycles, I noticed the statement their engines only have one moving part. That has to mean less servicing costs.

[goingbush]

Reading about Zero electric motorcycles, I noticed the statement their engines only have one moving part. That has to mean less servicing costs.

Im pretty sure they have roller bearings & not shell bearings, so technically they should count the balls in the bearings as moving parts . But still , 2 bearings and one rotor , a bit less complex than this, and the water pump, turbos, alternator and AC compressor can be further broken into more parts.

https://sparesboyz.com/wp-content/uploads/2016/08/8053c16df342cbe74e8b0d89d3d80ee6.jpg

[Graeme]

and AC compressorHow does A/C work in an EV without a compressor?

[goingbush]

How does A/C work in an EV without a compressor?

theres a few technologies , a scroll compressor is used in conversions, Tesla use reverse cycle aircon , compressor is similar to a domestic fridge. yep more moving parts, not as many as a ICE AC compressor though .

EVTV Motor Verks Store: Benling 27cc A/C Scroll Compressor, Cooling and Heating, Benling (http://store.evtv.me/proddetail.php?prod=Benling)

[Graeme]

Hardly a bonus point for EVs, instead forced redesign of a component to fit with the EV's power plant which presumably could be fitted to ICE vehicles too.

[JDNSW]

There is no necessary connection between maintenance/repair costs and number of moving parts. As a couple of examples - my freezer has now been purring away for 25 years. It has more moving parts in the compressor than has a simple electric motor, but the only failure over the years has been in the electronics.

I could also point out that my 110 at 640,000km, the only engine repairs on the moving parts of the engine have been four repairs to the starter and another three to the alternator. (other repairs to the engine have been seals, gaskets and O-rings). The engine itself has far more moving parts than have either the alternator or starter, both of which are close to the electric motor discussed above.

[Arapiles]

Out running and had a little BMW glide past me. Never seen one like it before Only a short range I note. BMW i3 : Introduction (https://www.bmw.com.au/en/all-models/bmw-i/i3/2018/introduction.html?gclid=EAIaIQobChMI8NPOovCN4wIVyD UrCh2i_ADaEAAYASAAEgKLE_D_BwE&gclsrc=aw.ds)Yes, but there's a range extender version too.

[NavyDiver]

Yes, but there's a range extender version too.

I still think Hydrogen will be the range extension we all might like once Korea and Japan get to the numbers they are planning on. I see Toyota has a lease plan for electric cars in US and Japan 2018 model and "By 2025, Toyota now says, it aims to have sold 4.5 million or more hybrids and plug-in hybrid vehicles, and 1 million battery-electric and fuel-cell cars. That’s approximately five years earlier than the company was predicting as recently as December 2017. Those numbers would mean that roughly half of Toyota’s global sales would be of electrified models." Link (https://www.slashgear.com/toyotas-electric-vehicle-plans-just-got-aggressive-07579666/)

Still hoping a solar pannel on my roof rack, solar hydrogen generation unit, hydrogen fuel cell and electric motor could make my disco run for free one day[biggrin]

[speleomike]

Still hoping a solar pannel on my roof rack, solar hydrogen generation unit, hydrogen fuel cell and electric motor could make my disco run for free one day[biggrin]

Assuming the disco roof area is 2m x 2m = 4m^2. A 30% efficient solar panel with 700 W/m2 insolation = 210W x 4m^2 = 840 Watts from your roof. But lets be generous and assume your at low latitude and its very sunny so we get 1kW from your roof. A typical battery capacity for a small, light EV is 75kWh so it would take 75 hours continuous to charge. But you only get that 1kW during 8 hours of the day at best so it would take three times longer than that so 75 hours x 3 = 225 hours = 9 days for a charge. And that's being generous :-)

500 km, wait 9 days, 500 km, wait 9 days ..... loop :-)

Mike

[goingbush]

Assuming the disco roof area is 2m x 2m = 4m^2. A 30% efficient solar panel with 700 W/m2 insolation = 210W x 4m^2 = 840 Watts from your roof. But lets be generous and assume your at low latitude and its very sunny so we get 1kW from your roof. A typical battery capacity for a small, light EV is 75kWh so it would take 75 hours continuous to charge. But you only get that 1kW during 8 hours of the day at best so it would take three times longer than that so 75 hours x 3 = 225 hours = 9 days for a charge. And that's being generous :-)

500 km, wait 9 days, 500 km, wait 9 days ..... loop :-)

Mike

My EV Landy runs for free. Done 8200 km so far , daily driver.
The idea is to put your solar panels on the house, not on the car .

Solar goes into the grid during the day for $0.80 FIT, plug it at night any buy it back for $0.28c per kwh . stupid to do it any other way really.

[DiscoMick]

Out running and had a little BMW glide past me. Never seen one like it before Only a short range I note.

BMW i3 : Introduction (https://www.bmw.com.au/en/all-models/bmw-i/i3/2018/introduction.html?gclid=EAIaIQobChMI8NPOovCN4wIVyD UrCh2i_ADaEAAYASAAEgKLE_D_BwE&gclsrc=aw.ds)Have you checked carsales.com.au? Last time I checked there were several. But the Hyundai Kona EV and Nissan Leaf are better value for money. There is also a little Mitsui EV.

[PhilipA]

Er doesn't this article ignore the hundreds of individual batteries in the 500Kg to 800Kg battery pack which have to be absolutely protected from water entry and physical damage.
if one or a number of batteries fail the performance is reduced.
if one battery self destructs as has happened quite a bit in China with Nio and Tesla then you lose the car.
So shouldn't each battery be considered an individual part?

Regards Philip A

[PhilipA]

I could also point out that my 110 at 640,000km, the only engine repairs on the moving parts of the engine have been four repairs to the starter and another three to the alternator.

Lets compare that to the 400KK Tesla which has required 2 battery packs in that mileage at what $25,000 each.
I really don't think the enthusiasts for EVs can just forget about the cost and vulnerability of battery packs which are after all an integral part of the car.
Regards Philip A

[NavyDiver]

My EV Landy runs for free. Done 8200 km so far , daily driver.
The idea is to put your solar panels on the house, not on the car .

Solar goes into the grid during the day for $0.80 FIT, plug it at night any buy it back for $0.28c per kwh . stupid to do it any other way really.

Love to have your FIT. 9.9 to 14cents in Vic now. Hang on to yours mate. At work I just use 99% of my solar. Wish I could at home. Free cooling in summer is nice.

a small Hydrogen plant is still (https://www.labfriend.com.au/hydrogen-generators-for-gc-combustion-detector-applications-and-gc-and-gcms-carrier-gas-applications) to expensive Once they scale to a Disco size and my price point ( tight arse me [thumbsupbig])

[scottvdw]

Came across this story that basically says BMW cant sell EV's in Europe.....

https://www.carsales.com.au/editorial/details/nobody-wants-evs-says-bmw-119190/?utm_source=Responsys&utm_campaign=carsales_Newsletter_Automated_2019_07 _02&utm_medium=email&utm_membership_id=2307E4A1-7B21-4C10-B8FC-A58CA3A43B83&utm_content=carsalesc.8318325

Regards,
Scott.

[NavyDiver]

Electric Hummers[wink11] "The BT1 electric truck, van and SUV programme is the centrepiece of a planned $3bn investment in that facility - part of a broader $7.7bn investment in GM's US plants over the next four years"

155052 GM date is late 2021. I bet Landrover beats that date myself. The Jag i-pace is a high level starting point.

GM moving Electric Hummer, hmm? GM eyeing EV pickup trucks and SUVs | USA News | Al Jazeera (https://www.aljazeera.com/ajimpact/electric-hummer-hmm-gm-eyeing-ev-pickup-trucks-suvs-191018213610911.html)