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    More: Fail, Automobile, Computer graphics, Geralt of Rivia, Tesla Motors, Elon Musk, new infotainment computer, Vehicle, The Witcher  
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1148 clicks; posted to STEM » on 18 Jan 2022 at 9:29 PM (16 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook



15 Comments     (+0 »)
View Voting Results: Smartest and Funniest
 
2022-01-18 9:34:19 PM  
I've always found it amusing that performance tires and wheels actually reduce range and acceleration.  The improvements in handling are far outside the envelope of street operation.
 
2022-01-18 9:51:33 PM  
Everything you do in an electric vehicle reduces range. Heating, lights, stereo, everything.
 
2022-01-18 10:02:13 PM  

dready zim: Everything you do in an electric vehicle reduces range. Heating, lights, stereo, everything.


EVs still have 12V battery packs in addition to the main battery to power lights and the stereo
 
2022-01-18 10:07:45 PM  

dumbobruni: dready zim: Everything you do in an electric vehicle reduces range. Heating, lights, stereo, everything.

EVs still have 12V battery packs in addition to the main battery to power lights and the stereo


Which is charged by the main battery.
 
2022-01-18 10:43:46 PM  
Users are reporting that the Ryzen APUs offer a much better user experience. Snappier response, maps loading quicker when scrolling, long distance routes calculated more quickly, etc. The EPA ranges of these cars is around 300 miles. Assuming an average speed of 45mph (probably high), that's maybe 6 hours of driving (rounding down for losses through A/C, lights, etc.). The article claims the new computers will sap 13 miles from the range. That would put the consumption around 500w. That sounds awfully high.
 
2022-01-18 10:45:07 PM  

Mr. Eugenides: dumbobruni: dready zim: Everything you do in an electric vehicle reduces range. Heating, lights, stereo, everything.

EVs still have 12V battery packs in addition to the main battery to power lights and the stereo

Which is charged by the main battery.


I'm surprised nobody has pointed out that even in petrol powered vehicles, using those devices reduces your range also. The power has to come from somewhere, and it's from your fuel.
 
2022-01-18 10:49:42 PM  

Likwit: Users are reporting that the Ryzen APUs offer a much better user experience. Snappier response, maps loading quicker when scrolling, long distance routes calculated more quickly, etc. The EPA ranges of these cars is around 300 miles. Assuming an average speed of 45mph (probably high), that's maybe 6 hours of driving (rounding down for losses through A/C, lights, etc.). The article claims the new computers will sap 13 miles from the range. That would put the consumption around 500w. That sounds awfully high.


Yeah, this doesn't pass the smell test. There's no way that little computer (not even the one that does the self driving stuff) is pulling 400-500 watts continuously.  I'd be surprised if it can even hit that at peak, let alone while doing its normal thing.
 
2022-01-18 10:53:10 PM  

Likwit: Users are reporting that the Ryzen APUs offer a much better user experience. Snappier response, maps loading quicker when scrolling, long distance routes calculated more quickly, etc. The EPA ranges of these cars is around 300 miles. Assuming an average speed of 45mph (probably high), that's maybe 6 hours of driving (rounding down for losses through A/C, lights, etc.). The article claims the new computers will sap 13 miles from the range. That would put the consumption around 500w. That sounds awfully high.


Generally speaking I use 3 miles per KWH. That varies, but it's a pretty good rule of thumb. So you're talking 4 KWH or even more than 500 watts more like 800 watts.

That's like running a toaster non stop. My kid's overpriced gaming rig doesn't draw that much power.

Something's not right with those numbers.
 
2022-01-18 10:53:29 PM  

dready zim: Mr. Eugenides: dumbobruni: dready zim: Everything you do in an electric vehicle reduces range. Heating, lights, stereo, everything.

EVs still have 12V battery packs in addition to the main battery to power lights and the stereo

Which is charged by the main battery.

I'm surprised nobody has pointed out that even in petrol powered vehicles, using those devices reduces your range also. The power has to come from somewhere, and it's from your fuel.


Electricity yes, but you get free heat from a combustion engine. It either goes into the cabin or is dumped through the radiator.
 
2022-01-18 10:54:34 PM  

dready zim: Everything you do in an electric vehicle reduces range. Heating, lights, stereo, everything.


Not by much. I happen to be in my LEAF waiting on an appointment right now. It's -2°C outside, I have my seat heater on, I'm charging my iPad, and the air is set to 22°C. Let's turn the lights on for shiats and giggles and and see what we're using. Survey says.....

Fark user imageView Full Size

900W. That's about 4 miles of range for every hour of driving. I'm cool with that tradeoff. In a newer EV with a better heat pump, that would likely be less.
 
2022-01-18 10:55:17 PM  

Mr. Eugenides: Likwit: Users are reporting that the Ryzen APUs offer a much better user experience. Snappier response, maps loading quicker when scrolling, long distance routes calculated more quickly, etc. The EPA ranges of these cars is around 300 miles. Assuming an average speed of 45mph (probably high), that's maybe 6 hours of driving (rounding down for losses through A/C, lights, etc.). The article claims the new computers will sap 13 miles from the range. That would put the consumption around 500w. That sounds awfully high.

Generally speaking I use 3 miles per KWH. That varies, but it's a pretty good rule of thumb. So you're talking 4 KWH or even more than 500 watts more like 800 watts.

That's like running a toaster non stop. My kid's overpriced gaming rig doesn't draw that much power.

Something's not right with those numbers.


3 miles per kWh seems awfully low. Might I ask what you're driving?
 
2022-01-18 11:30:19 PM  
CSB: Certain snowier areas of Japan get dumped on every year, and there's several tachi oujouwhere traffic stops for hours or longer in the snow and ice. Every year like clockwork, the media run scare pieces about how people in electric cars will freeze to death when their batteries die.

If you run the numbers, an EV can run the heat as long or longer than most ICE vehicles (unless they have an absolutely massive gas tank). As a bonus, you can use seat heaters or even plug in an electric blanket and you don't need to have an engine running. As a double bonus, this means you never have to worry about exhaust leaking into the cabin as snow piles up around the car. JAF, the Japanese equivalent of AAA recommends ventilating the car and clearing the area behind your exhaust pipe every 90 minutes in a gas car. A handful of people die every year from carbon monoxide poisoning sitting in their snow-trapped cars with the enginerunning. It gets none of the coverage EVs do despite zero deaths.
 
2022-01-18 11:31:04 PM  

Likwit: Users are reporting that the Ryzen APUs offer a much better user experience. Snappier response, maps loading quicker when scrolling, long distance routes calculated more quickly, etc. The EPA ranges of these cars is around 300 miles. Assuming an average speed of 45mph (probably high), that's maybe 6 hours of driving (rounding down for losses through A/C, lights, etc.). The article claims the new computers will sap 13 miles from the range. That would put the consumption around 500w. That sounds awfully high.


Read further down the article. They are just comparing the EU tested range to the Tesla declared range. The Model Ys improved their range by 7-8% where the 3s lost 7-8%.
I think it may just be different testing conditions. The range for the US numbers is for driving 55mph I believe.
 
2022-01-19 12:03:35 AM  

MindStalker: Likwit: Users are reporting that the Ryzen APUs offer a much better user experience. Snappier response, maps loading quicker when scrolling, long distance routes calculated more quickly, etc. The EPA ranges of these cars is around 300 miles. Assuming an average speed of 45mph (probably high), that's maybe 6 hours of driving (rounding down for losses through A/C, lights, etc.). The article claims the new computers will sap 13 miles from the range. That would put the consumption around 500w. That sounds awfully high.

Read further down the article. They are just comparing the EU tested range to the Tesla declared range. The Model Ys improved their range by 7-8% where the 3s lost 7-8%.
I think it may just be different testing conditions. The range for the US numbers is for driving 55mph I believe.


I shall RTFA to the bottom next time.

I've heard that the EPA test is 60mph on the highway with A/C set to 68°F.
 
2022-01-19 2:35:42 AM  
You can get a 3.6kwh spare gas can for your Tesla's trunk for $3600 (lol). Bonus: you can power your house or drive as well as charge and drive at the same time (via a Mexican finger hack). Add more units to increase battery capacity. This clickbait titled video is an advertisement for said battery, but I think its so versatile and useful that's it's cool. I might get one for the house and emergency charging up the Tesla will be a bonus. The video also shows what happens when a Tesla runs out of juice.

This Trunk Battery SAVED My Tesla After it Died!
Youtube dT7cANoCER0

/They trick the car to think it's grounded
//I would've at least put the battery on the actual ground
 
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