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Image for article titled Best Of 2021: In Epically Nerdy Interview, Elon Musk Discusses Build Quality Problems With Engineer Who Compared Model 3 To 'A Kia In The '90s'

” Was 2021 a fantastic year? Not exactly! Yet we did have some blog posts that got a great deal ofinterest

. Stroll down memory lane with us, as we think back on 2021, a year that will certainly appear much better by now in 2022.

Advertisement Elon Musk is taking responsibility for Tesla’s manufacturing failings. He just recently took a seat with among Tesla’s most significant build-quality movie critics, producing expert Sandy Munro, founder of the benchmarking consultancy Munro & Associates. Below’s what Musk needed to claim regarding huge panel spaces and also badly made body frameworks in what has to be one of the most legendary technical meetings I’ve seen in a while. What happens when you take a production professional with years of vehicle engineering experience and also put him in an area with a scientific research geek like Elon Musk? Magic.

That’s what. Munro, a man that made headlines after definitely eviscerating the build high quality of an early Model 3 by

contrasting it to a 1990s Kia, lastly satisfied face-to-face with Musk while the video camera was rolling. It sounds like it could be a controversial condition, but what does Musk claim right out of eviction?”I assumed your criticisms were exact.”I’m much from a Tesla or Elon Musk stan, yet I need to value that sincerity. Tesla’s CEO then fesses up to his firm’s”build-related blunders and dives into why they’ve been happening. When asked”about panel spaces, Musk claims:”It took [Tesla”] a while to”… straighten out the manufacturing procedure,” going on to go over exactly how the company struggled to obtain details right while production was in” vertical climb mode.”Really very early production cars, and the cars that appear after manufacturing has actually leveled off, Musk states, are the ones likely to have the best fit and also coating. Munro, having actually consulted with a number of Tesla proprietors during a current journey, discovered variations between 2 lorries constructed in the very same brief time-span. Baffled as to exactly how this can take place, he asked Musk.” We really did improve void as well as paint high quality a fair bit towards the end of last year, “the California-based engineer-CEO informed the Michigan-based engineer-CEO,” Even in the course of December.

“Musk likewise points out

that while increase manufacturing, his team hurried autos in a manner that really did not effectively permit paint to dry, triggering concerns with top quality.” Production is heck,”Musk places it truthfully.

Advertisement What concerning the back part of the Model 3’s body, which Munro criticized for containing much way too many items with far too many various attachment approaches?(shown listed below):

Advertisement The photo above programs this problem on a very early Model 3 build, though Munro’s 2021 design does reveal some enhancement. For instance, there are now 17 area welds on one specific plate rather than 26 on the old auto, and also there’s one less bolt.

Oddly, though, also more recent Model 3s

don’t share the Model Y’s even more instinctive”mega-casting”rear wheelhouse– i.e. a solitary item rather than numerous panels secured together.

Advertisement Musk discusses this Model 3 layout weak point.”The business framework errors, they materialize themselves in the product,”he

starts.”We’ve obtained possibly the

finest product scientific research team worldwide at Tesla. Designers would ask what’s the very best material for this objective … and also they got like 50 different solutions. And they’re all true separately, but they were not real jointly, “he admits.

Advertisement”When you attempt to join all these different alloys … you’ve obtained gaps that you’ve got to secure, and also you’ve reached sign up with these points, and also a few of them require to be joined with rivets, several of them require to be joined with place welds, a few of them require to be joined with material or resin and spot welds,”he proceeds.”Frankly, it appears like a little bit of a Frankenstein scenario when you look at everything with each other.”Musk then speaks about exactly how securing the gaps between the different items in the body is a headache.” That may be the most painful task in the factory, is spackling on the sealer,”he describes, stating just how even a small mistake can cause leaks and also NVH troubles. Advertisement Munro asks why more recent Model fives still make use of such a multipiece rear body layout as opposed to a solitary spreading like on the Model Y.”It’s hard to change the wheels on the bus when it’s going 80 mph down the freeway,”Musk reacts, saying the Model 3 stands for such a huge section of the car manufacturer’s quantity that the firm”[ demands] a possibility to redesign the manufacturing facility without blowing up

the cashflow.”He discusses

just how vital mosting likely to a single-piece casting was for the Model Y: There are no gaps, there’s no sealer as well as there’s no danger of galvanic deterioration at the user interface of dissimilar steels. That selection alone, Musks claims, permitted Tesla to decrease its body store size by 30 percent.”We removed 300 robotics simply with that said rear body casting,”he tells Munro.

Advertisement Musk then talks about with Munro the plans for Tesla to transfer to a structural battery pack that leverages the private cells as structural aspects that withstand shear pressures.”The cells today in every auto are brought like a sack of potatoes,” Musk clarifies.”They in fact have adverse architectural worth,”taking place to claim just how today, cells don’t make lorries any more inflexible, which particularly since there is seclusion product needed between the cells themselves as well as the pack real estate to aid the batteries manage shock lots, batteries are just a responsibility from a mass viewpoint. Musk intends to change that, and also get twin use from those batteries.

The rest of the meeting continues to be extensively unpopular. There’s discussion regarding autos’ natural regularities, regarding just how decreasing polar minute of inertia by bringing mass toward the cars and truck’s center of gravity returns far better handling. There’s discussion regarding tolerance stack-up and exactly how that leads Tesla to often err towards less items and Lego-like components accuracy.

Advertisement Munro states his company’s BMW i3 searchings for, admiring the German car manufacturer’s outstanding develop top quality for the carbon-fiber body. Musk responds that one of his significant worries concerning use of carbon fiber is that it has a greatly various coefficient of thermal development than light weight aluminum or steel, as well as this can trigger fitment concerns when the automobile is subjected to particular thermal atmospheres. Musk also discusses exactly how Tesla’s casting sizes on the Model S and X were limited since heat treatment brought about shape distortion once the component got to a certain dimension. To assist in larger castings, Musk states, firm’s material scientists needed to make a custom alloy that didn’t need an additional dealing with action after casting. Advertisement Musk additionally discusses that he

wants to do away

with 12-volt systems on EVs– a holdover from earlier designs and also a way to quickly integrate already-existing parts from popular car distributors. A 48-volt system, Musk and Munro agree, might have great deals of advantages consisting of lowered cord dimension and also weight. Musk points out that the S and X are now getting lithium-ion 12-volt batteries, which add capability as well as last longer than standard lead-acid ones. The discussion wraps up with speak about the future of EVs as well as the speed with which they will go into the market in coming years. There’s also speak about shortsellers due to the fact that of course there “is. Advertisement Throughout the meeting, particularly in the beginning, Munro compliments Tesla’s exceptional seats, with Musk discussing exactly how the trick is to lower stress tops on the body. The two enginerds take a look at the

worth of making

seats internal versus buying them from providers. It’s all unpopular and interesting, and in some ways, a truly enchanting minute in between two complete mathematics as well as scientific research nerds. I like it. I additionally like just how, when Munro claims he was having problems with Tesla’s Autopilot driver-assistance system as a result of poor roadway markings in Texas, Musk straight-up says:”Even if the road is repainted totally wrong and a UFO lands in the middle of the roadway, the cars and truck still can not crash and also still requires to do the best thing … It can’t be dependent upon the roadway markings being right … It’s simply got ta be’no matter what, it’s not gon na collision.'”

Advertisement The entire interview is just gold. I chatted with Munro & Associate’s president Cory Steuben, and he informed me about how this meeting even became. Steuben as well as Munro are in the middle of a trip right now in a Model 3 that they spontaneously determined to buy. The two intended a trip out western to see

some EV automakers,

as well as socialized in Fremont to see if Musk would be there. He wasn’t &. Serendipitously, Steuben received an e-mail from an individual stating he might set up an interview with Musk. Musk’s assistant, at 11 p.m. on Monday, arranged a meeting in Boca Chica, Texas for Friday, however already, Steuben as well as Munro remained in Eugene, Oregon.

Advertisement Steuben as well as Munro had to bee-line it 2,500 miles, 40 hours in the Model 3, intending billing terminals and also actually putting electromobility to the utmost examination in driving from Oregon all the method to Texas to see the king of EVs himself, Elon Musk. Luckily, Steuben

as well as Munro made their

meeting, with the previous claiming the billionaire came off as” one of one of the most satisfying, humble, stoic … people that I’ve met that’s in a setting like that. ”

Advertisement Musk, Steuben stated, spent three hrs with the two designers from Michigan, and was seen working at 10:30 p.m. on a Friday. As if the interview weren’t epic enough on its own.

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Illustration for article titled Go Take A Road Trip To The Actual Middle Of Nowhere
Photo: Bradley Brownell

Last weekend my spouse and I climbed into a Tesla Model Y Dual Motor and set our sights on finding one of the most secluded spots in northern Nevada. 2020 has been, shall we say stressful? As a result we wanted to take a day to do nothing in particular and find a nice way to relax. Being a desert dweller, I’m obsessed with the idea of natural hot springs. Let’s go find one of those!

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Taking a purely modern electric motion machine, like this Tesla Y that a friend let me borrow for the month, to go visit something that feels purely old-world and pre-historic like a natural hot spring feels somehow fitting. California and Nevada produce about 90 percent of the country’s geothermal power, and there is so much potential for even more. At a depth of about 3 and a half miles, most of Nevada experiences subterranean temperatures averaging near 400 degrees F.

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As a result, any water that deep is going to boil and expand and try to find a way to the surface. Where natural cracks and deep recesses exist, hot springs form. There are hundreds of them across Nevada, and some of them have been turned into getaway spots for locals and tourists alike to visit. They’re usually pretty quiet because they’re out in the middle of literal nowhere, but the reward is well worth the journey.

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Photo: Bradley Brownell

Because we were in an electric car, we had to plan our route carefully. This Model Y Dual Motor has an estimated range of 316 miles, but the owner of the car kindly requested that we keep charging under 80% to prevent long-term battery degradation. No problem. With Tesla’s current charging infrastructure, we could have made it to most of the hot springs in Nevada, but getting back would have been difficult. So we chose one that was just 41 short miles from Interstate 80, and crucially, less than 70 miles from the nearest Tesla Supercharger in Lovelock, Nevada.

We headed east out of Reno with a full charge, topped off in Lovelock, and then tried our damnedest to get lost in the middle of the god forsaken desert.

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Illustration for article titled Go Take A Road Trip To The Actual Middle Of Nowhere
Screenshot: Google Maps

Based on the maps, there was a short way and a long way. Being that we were in an electric car, I wanted to take the shorter path, even knowing that it would mean many more miles off the pavement. If we’d taken the highway up and over the Star Peak range, it would have added an extra 35 miles each way. It’s on the maps, how bad can it be?

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Once we turned off the interstate, we swiftly found ourselves riding on some pretty narrow hardpacked dirt roads that were largely only used for the local mining operation. As elevation climbed the road turned white with a sheet of day-old snow. The skies were blue and the sun was shining, but air temps were hovering in the high twenties.

The Tesla’s regenerative braking kept punching the back end of the car out sideways when I let off the throttle, so I negotiated with the computer interface for less regen and less throttle, and the whole thing behaved much nicer from then on. Having grown up in rural Michigan, I’m no stranger to heavy snow, and having all wheel drive certainly helped, but it was still unfamiliar mountain road territory in a largely unfamiliar, borrowed, car. What’s that about discretion being the better part of valor?

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In total it was about 35 miles of dirt road only slightly better than two-track. Of that, about 10 miles were actual nerve-wracking sheer dropoff no-guardrail mountain road shit. Once we got down out of the mountain range, we hit perfectly level valley floor and the snow disappeared for more sagebrush than I’ve ever seen in my life. We had a moment of hope when we hit a paved road again, but we were only on it for about ten seconds before spearing off into the desert again for another ten miles.

But when we arrived. Man, how cool! This was, without a doubt, the quietest place I’ve ever been, this side of an anechoic chamber. The world, for a few hours, was perfectly still.

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Photo: Bradley Brownell

Over 100 years ago, the Kyle Hot Springs was a popular resort in central Nevada. There are some remains of the former nearby buildings, and a soaking tub of unknown age still stands full of water today. The source spring is extremely hot to the touch, and has been given a concrete surround and fencing to keep the ranging cattle out of it.

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Photo: Bradley Brownell

Downhill from the source is a recently “installed” set of soaking tubs with PVC running to each. The water is way too hot to just sit in, you’d boil yourself from the inside out, even if you could withstand the temperatures on your skin. It’s at least 130 degrees, if I had to wager. Standing in full-hot hot spring water is manageable for about three seconds. You’re supposed to fill up the tub halfway, let it cool off to ambient temperature over the course of an hour or so, then fill the tub with more hot to get a comfortable 110 degrees or so. My hot tub at home runs 104, and that’s plenty warm.

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Photo: Bradley Brownell

Once we’d had our fill of gorgeous mountain views, the silence of escaping humanity, and the powerful warmth provided by mother earth herself, we dried off, emptied our tubs, and filled them halfway for the next people. Hopped in the Tesla and silently scooted our way back to civilization. This time we chose to take the paved road north back to the regroup with the highway. Despite being more than 30 extra miles of route, it took about the same amount of time with higher average speeds.

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We again topped off in Lovelock before heading back to Reno. It was a proper all-day affair, but what an incredible way to waste a day. The natural wonder of Nevada makes me so glad to live here every day. It’s such a cool state.

 

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