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Tesla Semi

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Re: Tesla Semi

#161

Post by jsmthrowaway »

Daneel_ wrote: post #128
jjcm wrote: post #104

Details for those that couldn't watch the live stream: -500 mile range on a full charge. On empty 30 min of charging will get you 400 miles. -Lower drag coefficient than a bugatti veyron -They're claiming cost per mile is less than rail for shipping goods. -2019 availability -Lane centering + other features (jack knife prevention) -1,000,000 mile guarantee ---------------- Also they surprised announced a new roadster…

The roadster also has 10,000Nm of torque and a top speed over 400km/h. In the old measure that's 7,375 ft-lbs and 250mph+. Those numbers are simply insane, for anyone who doesn't know torque figures. A Dodge Challenger Hellcat makes 650 ft-lbs for comparison.

It might do better than 300mph if they can build tires capable of holding the car down in one piece. I’m not kidding, I do genuinely suspect that’s a possibility given the figures they announced. I’d wager that’s part of why they wouldn’t commit, because they aren’t sure what it can do yet and have been working with Michelin or Pirelli to find out.

It’s hard to comprehend 1.9 pushing a battery pack. If that thing doesn’t break 300, it’ll flirt.

Re: Tesla Semi

#163

Post by karmapolic »

jjcm wrote: post #104

Details for those that couldn't watch the live stream: -500 mile range on a full charge. On empty 30 min of charging will get you 400 miles. -Lower drag coefficient than a bugatti veyron -They're claiming cost per mile is less than rail for shipping goods. -2019 availability -Lane centering + other features (jack knife prevention) -1,000,000 mile guarantee ---------------- Also they surprised announced a new roadster…

-They're claiming cost per mile is less than rail for shipping goods. NOT Entirely true. This is only in convoy mode.

Re: Tesla Semi

#164

Post by ehnto »

tsomctl wrote: post #56
RoboTeddy wrote: post #26

Earlier quoted context omitted.

> Diesel mechanics tend to be ridiculously intelligent and very resourceful Cooool! Can we have a story about this?

Don't have any particularly good story. They are just really good at understanding and fixing anything mechanical using the most basic of tools. I actually think that the type of brain that makes you good at programming is similar to being a good mechanic.

Absolutely, trouble shooting requires abstract thought and following long logical chains as to why something is failing. Cars are complex systems just like software can be, good knowledge of many different domains inside your main discipline is required to put the pieces together. I have always found good mechanics to be really switched on individuals.

Re: Tesla Semi

#166

Post by sangnoir »

interfixus wrote: post #143
nikofeyn wrote: post #131

Earlier quoted context omitted.

> Tesla is not a car company. what does this even mean?

I did emphasize the 'a', right? They are not a car company; not just any car company; not like any other car company on Earth (or Mars, come the day). Thank goodness, this shows in more or less all aspects of their marketing and PR. Also, as someone says below, they're a battery company.

Does being a battery company make them more adept at streaming? gp's point was that streaming is not a Tesla core competency, not that they are particularly bad at it because they are a car company.

Re: Tesla Semi

#167

Post by grondilu »

gnarcoregrizz wrote: post #125
tyingq wrote: post #110

The live stream is moving on to the roadster now. Says 1/4 mile is 8.9 seconds, which is just nuts for a car you can buy off the lot. I'm guessing insurance might be high on that car.

1.9s 0-60. 250mph+ top speed. holy*!

I've just checked. 0-60 in 1.9s is only 0.3s slower than F1 record, and it seems to be below the typical one.

"Formula One race cars have been recorded to reach 0-60 as fast as 1.6 seconds, however the typical range for modern day F1 cars is between 2.1 to 2.7 seconds."

https://www.zeroto60times.com/formula-one-f1-0-60-times/

Re: Tesla Semi

#168

Post by ni-hil »

gaustin wrote: post #149
tty7 wrote: post #29

Earlier quoted context omitted.

I have read the same comment (slightly modified) on HN since telsa announced their first vehicle. Tell me, have you actually worked on a new model truck? Because the days of a service manual and a backyard shed are over

Tesla will be selling into a very complicated industry. You think enterprise sales of software are hard, just wait. Tesla say their system includes all the functions necessary. I haven't seen a list but I doubt it. Even if they do it will literally take enterprise integration projects to hook them up to the largely bespoke systems used by existing trucking company backends. (E.g. 20 year old ADP systems)

I don't know if the timing is right, but I think what you have to understand here is that all of this is the beginning of the end for the trucking company as you know it.

Re: Tesla Semi

#169

Post by ehnto »

dchuk wrote: post #153

I'm a product manager at a telematics company. I've talked to a lot of folks in the long haul trucking space, from drivers to back office folks to service managers. I'll be surprised if this truck catches on. The trucking industry has a huge urge to do everything themselves, all the big guys have full service garages in their many yards across the country. This truck seems essentially unserviceable by anyone other th…

I wouldn't be surprised if there is a lobbying battle that ensues after these types of vehicles become available. With transport and shipping being such large targets in regards to emissions, banning or phasing out fossil fuels will make electric semis inevitable.

I guess the question then would be how quickly the current manufacturers can supply an offering. Manufacturers with existing business relationships and greater domain knowledge would be in a much better market position than Tesla. Being first may not help them here.

Tesla has to design and develop an entire truck, existing manufacturers just have to develop the drivetrain and plonk it in established product lines with the kinks of semi transport already ironed out.

Re: Tesla Semi

#170

Post by semi-extrinsic »

jjcm wrote: post #104

Details for those that couldn't watch the live stream: -500 mile range on a full charge. On empty 30 min of charging will get you 400 miles. -Lower drag coefficient than a bugatti veyron -They're claiming cost per mile is less than rail for shipping goods. -2019 availability -Lane centering + other features (jack knife prevention) -1,000,000 mile guarantee ---------------- Also they surprised announced a new roadster…

> Lower drag coefficient than a bugatti veyron

I LOLed at this one. Supercars want lots of downforce so they don't constantly go off the road and you die. They're not built for low Cd. A Toyota Prius has 35% lower drag coefficient than a Bugatti Veyron.

It's like when the "superfruit" people go "look at this amazing berry, it has 20% more vitamin C than a lemon!" Well yeah, an orange has 70% more vitamin than a lemon. Marketing wank for the uninformed masses.

> On empty 30 min of charging will get you 400 miles.

I did a double take here. To do that we're talking ~ 1000 kWh drawn from the grid in 30 min; that's pulling 2 megawatts of power. None of the existing Supercharger installations come close to providing enough power for even one truck.

It also means that on the distribution grid, a charging station for 8 semis will need a dedicated 20 MVA 33/11 kV distribution transformer, plus 4 11kV/480V transformers. Unless you manage to keep those charging slots filled 90% of the time, that's going to be bloody expensive electricity.

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