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05-02-2019, 01:48 PM | #29 | |
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In a simplified example you car will give the same energy/power output from a full tank of gas all the way to an empty tank of gas. In an electric car as the battery goes below 80-75% charge the power output of the motor will start to decrease noticeably. That decrease in power will keep growing until it has nothing left to give at zero charge. So to feel the car at its maximum power output you will want to keep the battery charged above 80%. This is a common trait with anything that is battery powered.
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05-02-2019, 04:28 PM | #30 | |
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The ipace does limit the power going to the motors at all times. This is partly why it can maintain performance on the track through several laps. The Teslas seem to take whatever the battery can give in the moment, leading to overheating through overwhelming the cooling system, and varying performance. Still, at 25% battery up, the P100DL is going to hit 60 in 3 seconds or fewer. Getting a new Model 3 right now is probably fine. No big changes anytime soon, I think. The Model S and X are getting new suspensions and motors soon, new interiors probably later this year, and possibly new batteries in the next 12 months. That'll significantly drop the value of used models.
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05-02-2019, 05:14 PM | #31 |
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I’m aware of this, but it doesn’t really change my point that the current level 3 autonomy, or whatever it is, is likely worse in these cases of abuse than with more advanced or with more basic levels of autonomy. I’m not saying this level of autonomy isn’t safer than nothing, but there is an incidence of negligence on the drivers in some cases whom treat the level of autonomy as if it were full when it is not.
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05-02-2019, 07:48 PM | #32 | ||
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a lot of it is just the fact that we've had over 50 years to develop ways to control/fight gasoline vehicle fires. electric while not new, is a 'new' technology, and the methods are completely different than gas vehicles to extinguish, and that scares a lot of people. Quote:
so you're not wrong, but no one is really expecting these packs to erupt in flames because no one holds their cellphone like that, and if cellphones are safe, 'clearly' cars powered by the same technology are safe!
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05-02-2019, 08:40 PM | #33 |
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Just fyi, Tesla says there was one accident for every 1.76 million miles traveled in their cars, but only one for every 2.87 million miles traveled when autopilot was engaged. Considering autopilot is engaged more often or necessarily during easier road conditions like on highways on summer days versus in cities on rainy days, these stats might not be very suggestive. I believe most accidents have historically happened at intersections.
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05-02-2019, 09:52 PM | #34 |
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this doesn't make sense statistically... it reads as 1.76 million miles per car...
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05-02-2019, 10:08 PM | #35 | |
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https://www.tesla.com/VehicleSafetyReport Average for other cars is 436,000 per accident, so Teslas (or Tesla owners) are safer.
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05-02-2019, 10:13 PM | #36 |
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I should add that this safety and knowledge of it is the reason why they are also getting into car insurance. They have data on how safe their cars are, so they know they can undercut average market rates, while breaking even or making a profit. I wouldn’t be surprised if most Tesla owners in the future will buy Tesla Insurance.
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05-03-2019, 12:51 AM | #37 |
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We won't have an accurate safety picture of autonomous safety systems until NHTSA becomes more transparent. They seem hell-bent on deploying self-driving vehicles at any cost. NHTSA provided cover for Musk's specious claims. FTA:
An agency hid Tesla crash data for nearly two years. Is that any way to build trust in driverless cars? https://www.latimes.com/business/aut...214-story.html The full report from Quality Control Systems Corp. that has no financial interest in Tesla: http://www.safetyresearch.net/Librar...fety_Claim.pdf I can't argue that autonomous systems have the potential to be safer than human guided vehicles, but until the liability question is answered and systems function as intended reliably and repeatedly in all conditions, I'm out. It isn't reassuring that autonomous vehicles operated on public roads usually need politically granted liability waivers. Regulators were quick to put the screws to drone operators but are behind the curve with autonomous vehicle regulation. We're literally about to be run over by technology putting the cart before the horse. |
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05-03-2019, 12:54 AM | #38 |
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[ame]https://www.youtube.com/watch?v=0GnH_C6NrOM&[/ame]
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05-03-2019, 01:24 AM | #39 | |
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The fact is that Teslas perform literally off the charts in safety crash tests. Couple that with any type of autonomous system (let alone the best autonomous system so far) with an engaged driver then I can only imagine the car is probably the safest car to drive. The only argument imaginable to the contrary is that their level 2 or 3 autonomous system could cause a propensity for driver negligence or disengagement. I believe at level 4 or 5 autonomy, the issue with driver negligence becomes a moot point.
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05-18-2019, 03:30 PM | #40 | |
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For a true comparison (to me at least) you would need to take the larger set of "all cars driven" then narrow it down to "all other cars whose demographics are similar to Tesla" for a true comparison.
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05-18-2019, 04:18 PM | #41 | ||
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05-18-2019, 04:52 PM | #42 |
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If anyone is a skeptic and hasn't seen this then give this a viewing. The chip design and autonomous system is pretty cool. The fact that they are running simulations in ghost mode to build the neural network is also sweet.
If you don't want to watch the whole thing then cut the Q&A and other non-essential presentations out and focus on the chip design and the two autonomous presenters. [ame]https://www.youtube.com/watch?v=Ucp0TTmvqOE[/ame]
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