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Tesla Roadster

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Re: Tesla Roadster

#302
post #68

Close up video of Tesla Roadster launching from zero: https://twitter.com/DavidHodge/status/931391188065705984

Hey folks. I was the one that took that video. let me know if you have any questions.

Why did you sped up the video instead of posting the original? You can see it by the movement of people around the car at the moment of acceleration.

Re: Tesla Roadster

#304
Anybody know why Tesla didn't solve model 3 production scaling issues by subcontracting to someone who could do a "running start"? I would imagine a large portion of the car is relatively standard, being made of steel, mass produced components etc.

Re: Tesla Roadster

#305
I'd like to see this kind of battery tech on a lowest-end, lowest-cost mass production car with a 2-3k mile range on a single overnight charge. For my usage in the city, this would mean I'd charge every other week.

How far are we from such a feat I wonder, and, can't help but speculate as to why we're not.

Re: Tesla Roadster

#306

There has got to be an astroturfing campaign going on here, or the HN crowd is a lot more naive than I thought. Seriously, no one is concerned that Tesla is announcing, not one, but two new products, while they are failing to deliver on all three they are currently producing (in terms of production ramp-up)? What matters more than anything to Tesla is production at scale, but they are busy promising ever more fantast…

The supercharger network is expanded to Ireland too. They move, even if they hit some bumps along the way.

Re: Tesla Roadster

#307

Earlier quoted context omitted.

> Does this mean that Tesla is pivoting from their attempt to produce a medium-priced car in quantity and going back to hand-building high-end cars? It's a halo car... Car companies build halo car to get consumers attention to their brand and to sell other models. Nissan didn't have to build the GT-R R35 but it did because it's a halo car. Another example is Toyota LFA.

But why does Tesla need a halo car? They already have the consumers’ attention. Lots of people would buy Teslas today but can’t because Tesla is unable to mass produce the Model 3.

Why not? It's their Formula One of development. Lots of competitors are entering the area. This helps remind everyone who the best is.

Re: Tesla Roadster

#308

There has got to be an astroturfing campaign going on here, or the HN crowd is a lot more naive than I thought. Seriously, no one is concerned that Tesla is announcing, not one, but two new products, while they are failing to deliver on all three they are currently producing (in terms of production ramp-up)? What matters more than anything to Tesla is production at scale, but they are busy promising ever more fantast…

Tesla seem to be doing ok in Puerto Rico: http://www.independent.co.uk/news/world/americas/tesla-puert... Australia work is 80% complete: http://reneweconomy.com.au/musk-says-tesla-big-battery-now-8... There are definitely issues with the Model 3 - but I'd imagine that the production line for the Semi will ramp up significantly after the Model 3 is working, and will involve an entirely separate team. https://www.gizm…

Exactly. I've working in a few places that when product slips management panic and throw more bodies at it. Then the team swells with sales people, admin assistants, shop floor dudes... and none of them have a clue what is going on or what to do to help. All while management is shouting and the project is slipping more.

Better to let the team crack on and fix all the issues. Pay them well.

Re: Tesla Roadster

#309
post #242

Earlier quoted context omitted.

Chiron is traction limited for most of its run; I presume to beat the Chiron's time the Tesla Roadster has better tyres for initial grip.

Very unlikely. With power you weight beyond useful (this has basically been "solved" since the day someone built a cat around a ww2 military aircraft piston engine), acceleration is determined by aerodynamics (drag and downpressure), tires and the time spent shifting gears . It's pretty evident where Tesla has the advantage.

I don't think you're right about this. If the 60-0 time and the 0-60 time are the same for the Chiron then it's limited by traction (assuming brakes that are strong enough to break traction at 60).

Most high performance cars only shift once before 60, and with modern dual clutch transmissions it only costs a fraction of a second.

The only way Tesla are going to get below 2 seconds is either with non-street legal tyres (cheating!) or some new tyres that nobody else has.

Re: Tesla Roadster

#310
post #17

The Tesla roadster specs are insane! No exotic carmaker will be able to match it (taking price as a consideration). (no Ferrari, or Lambo, can get that close. This is Formula 1 acceleration speeds). Plus 620 miles of range, and it is a 4 seater. Expensive as hell, but this is exotic car territory. Base Specs Acceleration 0-60 mph1.9 sec Acceleration 0-100 mph4.2 sec Acceleration 1/4 mile8.8 sec Top SpeedOver 250 mph…

I would reserve judgement on that top speed claim until we see it for real.
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