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Discussion in 'Automotive' started by HadACoolName, Mar 6, 2015.
yeah but Tesla’s suck
Sometimes ESC can shit the bed pretty bad. Sucks especially on FWD cars that won't let you use the throttle to pull the car around when yaw is detected.
Most of the time the "esc off" button is a total lie.
got some new sparkerlaters and leads for the Corolla, the ones i pulled off must have been the 26 year old originals because the leads had the weird locking caps on the them that no aftermarket brand would do and the plugs were so clogged up with gunk and carbon that the first plug probably wasn't even firing (and the difference changing them made !). Plus had a close look at the the little writing on the timing cover: "Belt replaced 2000, 98,000 kms" Oh yeah thats really good... Plus every gasket that could leak is leaking and the water pump is also leaking terribly and the bearings are shot too. And lying old hag i bought it off said " Oh my mechanics dont even know why i bring it in, they say its in perfect condition !" Bloody hell, ive just done fixing up the other piece of shit now i got this one too. Great
also managed to achieve a milestone, ive done 11,000 kms since ive owned the little bugger
Remember former "scientists" claimed that DDT is perfectly safe, remember that former "scientists" claimed that lead is not poisonous and made many manufactures add them to make-ups and paints? Because they are(were) being sponsored by Big Brothers(such as Big Oil about leaded fuel) so they spread misinformation in the guise of science. Many scientists that oppose their sponsors and/or Big Media(so-called mainstream media) lost their jobs and even discredited as conspiracy theorists.
Now time has changed, some of the Big Oil may change to Big Electric, but the behavior is the same as Big Oil(or Big Pharma).
You can change the "Big Pharma" in the picture above to anything Big that can be considered as Big Brother.
Many "-ists" are being driving by the quest of profits under the guise of "-isms", for example, environmentalism. If you change what you use/buy for the sake of their environment, then you are benefiting them without being paid, i.e. free labor.
TL;DR What they tell you about physics may not the same as actual physics because of their sponsor and/or Big Brother's influence. A "green" product may not be as green as they claim.
If Big Media often reports batteries that outlast expectations and never reports batteries that last short of expectations, then people will believe that "the batteries tend to outlast expectations significantly".
The problem is highly computerized control system. The more computerized, the less the reliability. As shown in the example below
Thus, a General Motors EV1 is more reliable than a Tesla Model Y.
Heat pump is more efficient. For 2kW heating, a heat pump consume only 0.5~0.7kW electric power. Resistive heating on the other hand, only provides 0.7kW heating when the electric consumption is 0.7kW.
A heat pump is just an reversed AC. Heat flow is reversed via a reversing valve. You don't need TWO pumps to provide both cooling and heating, only ONE pump fitted with a reversing valve.
ICEVs don't have that reversing valve and they don't use AC to heat the cabin, this is because of engine waste heat. EVs w/o heat pump is because a resistive heater is cheaper than a reversing valve. Instead of using a bidirectional AC they use an AC only capable of cooling, and a resistive heater. Also you need a resistive heater even with heat pump, as a backup heating that might be useful in some situations such as defrosting or when the heating demands is only 100W. Since you will need a resistive heater regardless, most car manufactures make their EVs without heat pump for the sake of lowering cost.
That's another spin regards range anxiety. The core problem that leads to range anxiety is the slow recharge speed, not the range. You don't have range anxiety with an ICEV even if you remaining fuel only has 100km range since you can refuel in minutes.
A Tesla PR disguised as a fan.
Physics: Battery lasts longer when partially charged. Thus when not traveling long-distance, only charge to 80%
Political interference: In 1st generation Nissan Leaf, there was a "charge to 80% option", that option no longer exists in the 2nd gen Leaf. This is because EPA rates the Leaf's rating based on average 90% charge instead of 100%. However in a Tesla, you can adjust charge to 50% to 100% via a slider, and EPA doesn't rate the Model S/X/3/Y based on 75% charge. This is because Nissan is a Japanese car manufacturer, both Tesla and EPA are American.
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The "autopilot off" button on the Airbus A330 is also a lie.
Batteries just don't hold the amount of potential energy that fuel tanks can.
It seems to me that the ESC performed its function perfectly, preventing wheel slippage and loss of control. The other driver is to blame, not the ESC. It isn't the fault of the ESC that you were put into a situation where you were forced to make a sudden course correction into the oncoming lane. What you call a "controlled slide," law enforcement and insurance appraisers would call "reckless driving" and could have made the situation much worse. Disabling safety features is never a good idea, they are there to protect yourself and others. Doing so puts you and everyone else at increased risk. They are not, contrary to what some seem to think, gimmicks for idiots that can't drive or an alternative to attentiveness. They are tools, like seat belts - which have suffered similar resistance - that, when combined with safe driving practices, have proven effective at reducing accidents
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Yet... Solid state batteries will start to change that. EVs are really taking off now and the interest and money is there for development
Head-on crash because of disabled safety system = the literal essence of evil
Head-on crash because of not-disabled safety system forcing a baseline "safe" response at the wrong time = literally not problem, exactly what should have happened
This mentality makes zero sense to me, but unfortunately this isn't the first time I've seen it and it probably won't be the last either. HLG's controlled slide could have made the situation worse, but it didn't and, in that case, the ESC was much more likely to "make the situation worse" by keeping him in the oncoming lane for longer. In what universe is wheel slippage without a crash worse than an actual crash?
Yes, there's always some amazing breakthrough coming "right around the corner!" or "within the next 5 years!" or "by [insert_year]!" that will finally free us from the horrors of driving enjoyment and convenient mobility. Anything to keep the hopium flowing so people don't lose interest in the One True Future.
Head-on crash because of disabled safety system: i presume you were an idiot and were probably to blame.
Head-on crash because of not-disabled safety system forcing a baseline "safe" response at the wrong time: it depends, if the car understeered off a corner where you could have got out with oversteer, or cut power when you needed to pull out of a situation,
i'd say "stuff happens, the car couldn't have predicted that"
but if it was some lane keeping system deciding to swerve you into oncoming traffic, i'd 100% pin that on the automaker for not refining their equipment enough.
You guys do know why car manufacturers actually do make electric cars? The german ones only do it because the government wants them to and they know that when it inevitably fails they get bailed out by the government. Also porsche is able to soon produce 1 percent of the german fuel supply completly c02 neutral.
Not at all what I said
Not the point I'm trying to make. The ESC doesn't stop you from crashing and it doesn't prevent you from executing evasive maneuvers, it reduces the chance of the vehicle spinning out of control which is unarguably a good thing. Statistically, driver aids do make vehicles safer and this is one specific outlying example among thousands. Just as I heard growing up "Seat belts make you less safe because they get stuck and you can't get out when your vehicle catches fire." or some such nonsense. Maybe that has happened a few times, sure, but I have known people who have died because they were thrown from their vehicle during a rollover - no seat belt - driving like they think they're a pro racer. How many lives have seat belts saved? That is impossible to tell but it is certain that they are highly unlikely to kill you.
Solid state batteries are not a new technology. They've existed for almost 200 years. Putting them in cars is a new concept and up until recently automakers have had no motivation to develop them because that takes initiative and cuts into profits. Now that EVs are popular they do have the motivation but it won't happen overnight. Competition is the only thing that will advance the technology
Lane keeping assist shouldn't have existed. If you are blind, don't drive, if you cannot concentrate, get ADHD treatment first.
This is because of Big Oil Electric. Germany is one of the most expensive countries worldwide for electricity supply. 0.33 U.S. dollars per kilowatt-hour.
Its more like 0.34 Euro cents per kwh. I still hope the E-Fuel thing will take off at one point since it would solve lots of problems for us
in what way? the meat computer consciously chooses to take the whole job into its own hands, the other is a silicon brain making a poor choice of input because it didn't have eyes to see the truck screaming up behind it that it needed to get out of the way of.
two different situations and causes does not insinuate a double standard, even if the outcome is the same.
As I said, yes, the whole blame goes on the manufacturer in that scenario, they should not be releasing half-baked systems that are actually going to cause bad situations, and they absolutely should not be marketing them as "the safer option" or actively making you use it, say by automatically turning it on every time you start the car.
if a type of system has been completely reliable in that regard however, that whole opinion goes out the window for me. i still agree that you shouldn't have to use it, but there would be a lot less reason to not trust it.
a large part of that is the stupid buggers shutting down all of their perfectly functional nuclear power, but that's a whole different cluster of twaddle.
1. All Teslas don't have brake blending. What is brake blending? On earlier model years, when you set the regenerative braking option to Low, regen won't increase to high with brake application, when set to off, Regen is zero regardless of brake, when set to Standard, zero throttle is full regen. Thus you cannot get passenger comfort and efficiency at the same time. Since 2021 model year, regen adjustment removed on all Teslas and regen is forced to Standard, good luck lifting throttle on icy surfaces.
2. Tesla Model 3 and Model Y have NO dashboard, speedometer and power meters are all on the center infotainment screen. The power meter is difficult to see, combined with Standard Regen and lack of Brake Blending, coasting (control your gas pedal to 0kW power) is very difficult. In comparison, 1st gen Roadster is way better.
3. The turning indicator switch on Model 3 and Model Y is self-centering, the switch doesn't stay in position when indicating a turn, AND the turning indicator is as difficult to see as the power meter.
They also aren’t super reliable, are built very bad with lots of quality problems, and are rendered useless once the battery degrades enough (and it’s thousands to replace it)
Also dont forget the random fires
I think you're thinking of ferraris
ESC is not a safety feature. It is a computer controlled driving aid. It made the situation significantly less safe to where other drivers had to take avoiding action to prevent a collision with me. The "reckless driving" you accuse me of would in fact have been the safest possible route of avoidance. I have used "reckless driving" to avoid many crashes in my own car, a 1999 Buick Regal, and have never come so close to a crash because I was in much greater control of the car. Sometimes in a FWD car you need to induce some oversteer to be able to turn at all. If you don't, you understeer and end in the same place as where the ESC put me.
The ESC put my life in the hands of the oncoming driver. I'm lucky they were paying attention, but many don't. If I had not been using ESC I would have had complete control of what happens to my life; and I want to live, so I know I wouldn't have put my life at risk.
ESC only benefits skilled drivers for surprise changes of direction that are not caused by driver input (like if you were suddenly hit in the rear or a blindspot). It is a program which sole purpose is to induce understeer for drivers who are unable to comprehend and control oversteer. It is much safer to have a skilled driver control a car rather than a computer that only has 5 basic inputs. Until the systems have an idiot sensor and turn off automatically in the presence of a good driver I refuse to let them put me in danger.
In a hurricane a few years ago esc saved my car from spinning out into a tree when a large gust of wind blew at the side while I was driving in the rain. So there’s that I guess
From this post.
That ESC did a good job, however not every ESC is as good as this.
When the vehicle is understeering, brakes the inner rear wheel to reduce understeer (compare yaw rate to steering angle * wheelspeed)
When the vehicle is oversteering, brakes the outer front wheel to induce understeer (compare yaw rate to steering angle * wheelspeed)
When the steering wheel is centered but the vehicle is sliding, brakes the outer wheel to reduce the slide. (compare lateral G to steering angle)
When the driver is countersteering, brakes the outer wheel to reduce the slide. (compare lateral G to steering angle)
When the vehicle is understeering, does nothing.
When the vehicle is sliding, brakes the outer front wheel regardless of understeer or driver input
When the driver is countersteering, cut throttle in an FWD vehicle.
Thus, even though the newer post-FCV ESC does a better job in terms of traction control, the older ESC on the Sunburst does a better job in terms of stability control
Please watch this video
When the vehicle is cornering (drive mode TTSport not Comfort) and the vehicle was put into a very slight sliding.
Then the ESC broke the traction on all four wheels (watch the wheelspeed sensor on the upper-left), this made the ETK slided into the wall in a straight line instead of continue the cornering.