Thread: EV general discussion

Considering it’s 70,000km to offset the build emissions of something small like a LEAF, I’m still not convinced this is anywhere near as green as claimed.

H atoms I’m leaning towards if made effectively

But electrons in a battery - nope

Originally Posted by Tombie

Considering it’s 70,000km to offset the build emissions of something small like a LEAF, I’m still not convinced this is anywhere near as green as claimed.

H atoms I’m leaning towards if made effectively

But electrons in a battery - nope

Might be right. Not certain myself. I guess if we need a car then the enbeded energy and costs and ongoing maintenance, fuel and oil adds a bit of emissions?

I did hear a person mention that the entire payback time for a wind generator including the huge single pour concrete base is less than 6 months then it is free power from then on. That was for cost and embedded carbon in building the entire thing.

Still yet to service my MG until next week due to ISO last week. It will be interesting to see what occurs at very close to 20,000 traveled in it.

Originally Posted by NavyDiver

.................

I did hear a person mention that the entire payback time for a wind generator including the huge single pour concrete base is less than 6 months then it is free power from then on. That was for cost and embedded carbon in building the entire thing.

...............

I've read extensively about this.

There is a lot of stuff on the web related to a very selective quote from many years ago that says wind generators never reach energy payback over a 25 year lifespan. No one in that camp provides the maths. There are none to support that idea.

The older 1.5 Mw turbines would reach payback in less than a year in general, the newer 4+ Mw turbines would be a lot less than that.

It's not hard to convert the whole energy cost of the mining, refining, manufacturing, transport, etc of turbines into a coal tonnage equivalent and then compare the electricity that coal tonnage can generate with what a turbine does.

That even includes the massive concrete footings some need.

A turbine will produce its rated capacity times its its co-efficient of efficiency, which varies due to location.

That info is not easy to get, but the older 3.3 Mw turbines at Kiata were operating at 47%, the newer ones will be higher than that.

I still view wind turbines as a transition in generation from coal to something else..... they're not something that's going to still be around in another 50 years.

cheers, DL

Originally Posted by 350RRC

I still view wind turbines as a transition in generation from coal to something else..... they're not something that's going to still be around in another 50 years.

cheers, DL

I am too lazy to do the maths but a wind turbine at 40% efficiency I am thinking takes up a lot less land space than equivalent output in solar panels?

And I would rather try my luck at siphoning power off a wind turbine / solar farm when pooh hits the fan next zombie apocalypse than try and keep a small modular nuclear reactor going !

Anyway on an even lesser serious note I bet you 10 dollars they WILL still be around in 50 years time (I am not stating if they should be operational, hmmm....)

Ok Ok I'll just run off and check my blood sugar level ......

One year on. 19000KM + a few traveled. $169 inc gst. No oil of fluids required. Long report of what was checked with notes on tread and brakes remaining being only note. Best bit is its is just a bit further to run home from the other side of Ringwood than Ritters in Burwood and according to my running watch thing I broke 2 records? One was fastest mile and 2nd was fastest kilometre.

Suspect my watch is being very kind as the times while a bit quicker than my post crash times are SLOW compared to my prior times. Average speed 10kph it said. I would love to see 15kph for 5km+ soon

Ritters in Burwood does have the advantage of running or riding. Bike does not fit in the MG. Bike fits on or in the Disco I am to tight to put a bike rack on the MG

Another autopilot accident. Given the current laws, this still means the driver was at fault and negligent so I’m sure he’ll cop a fine, emergency service bill and the repairs to the guard rail arriving in the mail shortly. Be interesting to see what his insurance says.

Driver claims Tesla's Autopilot malfunctioned when it mounted barrier in Melbourne

I don't think he has a leg to stand on unless he can prove it turned the steering with more force than he could counter. If you let the car steer itself you, the driver, are still legally responsible for where it steers. I cannot see any way in which this legal principle can be changed in the foreseeable future.

Yeah, agree 100%. Where does this leave any owner of a Tesla with this tech? Is it a kind of ‘it won’t happen to me’ thing so people take this risk or do they not understand that an Insurance company will wipe them if something like this happens?

A few years back vehicle autonomy was on everyone’s lips, but it seems to have gone quiet. I think there’s a thread on that somewhere. I only posted the link here as it was an EV, but it should probably be in the other thread.