|
not to sound like a Three Olives but that’s a case where I’d be looking to put a camera up of some sort
|
#
?
Apr 27, 2024 20:42
|
|
|
|
| # ? May 11, 2024 05:42 |
|
|
Dumb question… why are AA batteries measured in mAh but BEVs in kWh?
|
|
#
?
Apr 27, 2024 22:06
|
|
|
I’d say because BEV nominal voltage is not standardised like it is for AA batteries.
|
|
#
?
Apr 27, 2024 22:28
|
|
|
Tayter Swift posted:Dumb question… why are AA batteries measured in mAh but BEVs in kWh? Because 0.004275kwh sounds lame as gently caress.
|
|
#
?
Apr 27, 2024 22:42
|
|
|
DoLittle posted:I’d say because BEV nominal voltage is not standardised like it is for AA batteries. Yep
|
|
#
?
Apr 27, 2024 22:50
|
|
|
Finger Prince posted:One of the guys at work was showing photos of his newly installed EVSE he'd mounted on the side of his house with the cord cut. Now he's out a few hundred bucks to repair it, plus whatever the turnaround time is with the vendor. Not worth claiming on home insurance, since the deductible is higher than the repair. He's out in the burbs. You don't hear much about copper theft in Canada but I guess it can happen anywhere. Short of building a solid metal box around the thing, I'm not sure what you can do to prevent it. As long as the local scrap yard is willing to pay for obviously stolen parts, you are going to have random parts stolen.
|
|
#
?
Apr 27, 2024 22:53
|
|
|
Nitrox posted:If the sticker says 20-24 mpg, the real world numbers are in the mid teens. I've been saying it, we need an EPA Estimated Mileage value for Driving Like An rear end in a top hat
|
|
#
?
Apr 27, 2024 23:09
|
|
|
Nitrox posted:As long as the local scrap yard is willing to pay for obviously stolen parts, you are going to have random parts stolen. this, but also stripped copper wire is stripped copper wire. there's not much way to differentiate between someone who scrapped their washer/dryer combo or a bundle of old extension cords and someone who cut a charger cord as long as all the insulation's gone
|
|
#
?
Apr 27, 2024 23:11
|
|
|
DoLittle posted:I’d say because BEV nominal voltage is not standardised like it is for AA batteries. I thought many modern BEVs use somewhere around 400V. I think I've heard that even 800V cars like Hyundai's/Kia's eGMP cars operate at 400V but configure themselves to 800V for faster DC charging. Then again, that's not common knowledge or readily advertised and there surely are outliers and A-h is a useless metric without the corresponding voltage.
|
|
#
?
Apr 27, 2024 23:20
|
|
|
DoLittle posted:I’d say because BEV nominal voltage is not standardised like it is for AA batteries. Watt-hour / kWh is a way better method of measuring how much work a battery can do. The easiest way to explain it is marketing loving with perceptions. One place advertises their battery is a whole 6 amp-hours and 50 volts which makes it better than the other place who advertises their battery is a whole 60 volts and 5 amp-hours which makes it better than the first place's battery. The reality? Both batteries are 300 Watt-hours.
|
|
#
?
Apr 27, 2024 23:29
|
|
|
Edward IV posted:I thought many modern BEVs use somewhere around 400V. I think I've heard that even 800V cars like Hyundai's/Kia's eGMP cars operate at 400V but configure themselves to 800V for faster DC charging. Then again, that's not common knowledge or readily advertised and there surely are outliers and A-h is a useless metric without the corresponding voltage. Their pack voltages are not all the same even for the same vehicle between trims. According to some searching, the ev6 light has a pack voltage of 522.7 and the trims above are 697. Similarly, the ev9 light has a pack voltage of 632 and every other trim apparently is 550. The big thing is AAs are single cells, so the voltage is dictated by chemistry while pack voltage depends on how the cells are arranged
|
|
#
?
Apr 27, 2024 23:33
|
|
|
Power is the best way to measure battery capacity, it's just really easy to convert Ah to Wh in a 1.5 Bolt AA cell, because a 10 Ah cell is 15 Wh. With how charge curves work, power makes it much simpler to see rate of charge, since a charger may vary voltage as the pack charges to control current, adding a variable that displaying a kWh charge rate eliminates.
|
|
#
?
Apr 27, 2024 23:44
|
|
|
trevorreznik posted:Anyone seen a car like this before? I think it's an EV conversion but I don't know cars very well let alone EVs Gen 1 VW rabbit.
|
|
#
?
Apr 28, 2024 02:57
|
|
|
trevorreznik posted:Anyone seen a car like this before? I think it's an EV conversion but I don't know cars very well let alone EVs VW Rabbit of some sort. I don't know enough about cars to know why but VW in the 80s and maybe other periods had the Golf/Rabbit and Jetta/Fox pairing where I think the animal named ones were lower spec or something?
|
|
#
?
Apr 28, 2024 03:05
|
|
|
Finger Prince posted:One of the guys at work was showing photos of his newly installed EVSE he'd mounted on the side of his house with the cord cut. Now he's out a few hundred bucks to repair it, plus whatever the turnaround time is with the vendor. Not worth claiming on home insurance, since the deductible is higher than the repair. He's out in the burbs. You don't hear much about copper theft in Canada but I guess it can happen anywhere. Short of building a solid metal box around the thing, I'm not sure what you can do to prevent it. God drat that sucks, hundreds of dollars in damage for what amounts to almost no scrap value. Fuckin thieves
|
|
#
?
Apr 28, 2024 03:35
|
|
|
That's why socketed EVSEs make more sense - cable is only exposed to theft while it's actively being used and if it does get stolen (or run over) you can simply plug a new one in.
|
|
#
?
Apr 28, 2024 03:45
|
|
|
Tayter Swift posted:Dumb question… why are AA batteries measured in mAh but BEVs in kWh? BMW tried with the i3. 60, 94, or 120 Ah were the three official model designations during its lifespan.
|
|
#
?
Apr 28, 2024 10:57
|
|
|
cursedshitbox posted:Gen 1 VW rabbit. Thanks. I ended up googling the "ev garage" and it's in fact, not an EV conversion. Which I probably should have guessed from the gas cap and tail pipe but for some reason I thought they'd been left on since I was excited about seeing a conversion car and jumped to the wrong conclusion.
|
|
#
?
Apr 28, 2024 13:58
|
|
|
First road trip in model 3. Have to say I am impressed at how well the advertised range holds up. Distance was 210 miles, three adults in the car, a whole lot of luggage, water, food. The Tesla navigation when I'd checked previously was saying even if starting at 100% charge we would want to do l stop at a supercharger about 3/4 through the trip in order to arrive there with more than 15% battery. As it was we didn't have to charge at all and still had 35% when we arrived. Temperature about 7 celcius and we had a half hour stop over at a service station to get some dinner (during which I expected the battery to cool down and lose a bunch of range but it didn't). Driving at 75mph most of the way too. Probably I shouldn't be surprised/impressed, I guess maybe I just heard too many 'range won't be as advertised' warnings. Then again the car is new so I guess I will lose a decent chunk of range in the next year or so before it settles.
|
|
#
?
Apr 28, 2024 18:34
|
|
|
El Grillo posted:Then again the car is new so I guess I will lose a decent chunk of range in the next year or so before it settles. Not really, no.
|
|
#
?
Apr 28, 2024 19:05
|
|
|
I’m 2.5 years into my M3LR and it really hasn’t lost anything significant. This weekend and last I went to a local theme park (240mi round trip) and got back home with 20% left each time, same as the years before. I’m sure eventually it will but it’s fine now
|
|
#
?
Apr 28, 2024 19:25
|
|
|
Almost end of year 6 (70K miles) on an M3LR and I'm at about 6% range loss. New I would get 304 rated miles, and now it's in the high 280s, sometimes just breaking 290.
|
|
#
?
Apr 28, 2024 19:33
|
|
|
How do you measure that? Just by the estimated miles range on the in-car nav when it's charged to 100%?
|
|
#
?
Apr 28, 2024 19:36
|
|
|
El Grillo posted:How do you measure that? Just by the estimated miles range on the in-car nav when it's charged to 100%? Yep. Tesla simply multiplies the battery capacity by their rated efficiency.
|
|
#
?
Apr 28, 2024 19:39
|
|
|
Aha ok. Mine showed 340 mi which I think is the EPA rated range
|
|
#
?
Apr 28, 2024 19:49
|
|
|
Any calculation for how many miles the car can go at a given charge is going to be at least semi-bullshit. The car doesn't know what those 200 miles are going to be like until it gets there. Like, I live in a pretty mountainous region (in as much as the Northeast has mountains), so most of my driving is either up or down a couple thousand feet, with brief periods of being in a valley in between. Whenever I'm going up the projected milage tanks because the car is doing a bunch more work fighting gravity, but whenever I'm going down and just letting regen braking run wild it projects that I have insane range. I wind up netting roughly ish what it's calculating at the beginning of the drive on a long enough timeline a lot of the time, but it can't give me live updates. Because most of the time it's calculating like I'm going up or down an infinite 45-degree angled plane.
|
|
#
?
Apr 28, 2024 19:53
|
|
|
My PHEV got a software update and now on a full charge it shows 80km up from 60-64. I imagine it is just needing some driving time to get it back to more “real world” numbers. 64km is the official battery range.
|
|
#
?
Apr 28, 2024 20:01
|
|
|
Xiahou Dun posted:Any calculation for how many miles the car can go at a given charge is going to be at least semi-bullshit. The car doesn't know what those 200 miles are going to be like until it gets there. Just got back from Tennessee. Observations:
Also we started looking at installing a ham radio, cb radio, or just a scanner, so we can get NOAA weather radio on trips. We avoided the tornadoes this time, but only because there were two of us, so one could gently caress around with the web browser while the other one drove. The couple from California who pulled in next to us had no idea there was a PDS tornado watch across the entire eastern half of Oklahoma. Lastly, the CCS retrofit actually worked up to 75kW, which was great, because even slowing down from Van Buren to Oklahoma City was not enough to counteract a 45mph headwind.
|
|
#
?
Apr 29, 2024 14:03
|
|
|
Unless if it's very cold out or you have insane headwind, 70MPH will give you the rated efficiency or better in a Tesla. I typically go 80 if the speed limit's 70+ since there's (mostly) chargers everywhere.
|
|
#
?
Apr 29, 2024 14:09
|
|
|
I kind of prefer looking as State of Charge(%) as opposed to miles, and doing the estimations in my head.
|
|
#
?
Apr 30, 2024 01:25
|
|
|
Freezer posted:I kind of prefer looking as State of Charge(%) as opposed to miles, and doing the estimations in my head. Same, I’ve had my car on % instead of miles since day one and I never regretted it
|
|
#
?
Apr 30, 2024 01:56
|
|
|
I’ve been trying to set mine to just kwhs but it doesn’t wanna let me. This is heavily hindered by me refusing to put more effort than 2-3 minutes, cumulatively, thumbing through menus.
|
|
#
?
Apr 30, 2024 02:51
|
|
|
Xiahou Dun posted:I’ve been trying to set mine to just kwhs but it doesn’t wanna let me. even that would be an estimate, wouldn't it? isn't it measuring the battery voltage? i feel like that's what you want to look at if you're gonna have a dick measuring contest about tracking state of charge
|
|
#
?
Apr 30, 2024 03:01
|
|
|
Cactus Ghost posted:even that would be an estimate, wouldn't it? isn't it measuring the battery voltage? i feel like that's what you want to look at if you're gonna have a dick measuring contest about tracking state of charge Uhh pretty rude to assume my intent, chief. I want kwh because that’s a measure of work and because the math is a lot easier to do in my head.
|
|
#
?
Apr 30, 2024 03:04
|
|
|
sorry. what i meant was, I want to have a dick-measuring contest about tracking the state of charge
|
|
#
?
Apr 30, 2024 03:09
|
|
|
Cactus Ghost posted:sorry. what i meant was, I want to have a dick-measuring contest about tracking the state of charge Cactus Ghost measures dicks in units of Joules. Don't ask.
|
|
#
?
Apr 30, 2024 03:13
|
|
|
Cactus Ghost posted:sorry. what i meant was, I want to have a dick-measuring contest about tracking the state of charge No worries. Whatever you do though, you should abuse the metric system and measure it in something with a prefix like “nano”. If you’re having a recreational dick-measuring contest, you want a lot of zeroes on the ends of your numbers.
|
|
#
?
Apr 30, 2024 03:14
|
|
|
tuning my dashboard jacob's ladder so that at a full charge it cycles at 2hz, and at a good "charge now or get stuck soon" level, maybe 20%, it cycles at 1hz the various respiratory diseases from constant ozone exposure are just the price you pay to do things the right way
|
|
#
?
Apr 30, 2024 03:20
|
|
|
Just drive with your window down. Duh.
|
|
#
?
Apr 30, 2024 03:27
|
|
|
|
| # ? May 11, 2024 05:42 |
|
|
there's a bike lock that gases a bike thief that tries to cut it, maybe an evse cable shield thats permanently wired to the mainline?
|
|
#
?
Apr 30, 2024 08:44
|
|
