521–530 of 575 posts
It seems like it will require a $5000 deposit (with a $50,000 "full deposit") and the truck will cost between $200,000 and $250,000, according to the page source.
wow.. why would that be in the JS? synchronized onscreen graphics?
It seems like it will require a $5000 deposit (with a $50,000 "full deposit") and the truck will cost between $200,000 and $250,000, according to the page source.
Well shoot, if they can deliver full self driving capabilities, can I just buy one of these to live in instead of a house, cruising the freeways endlessly?
> cruising the freeways endlessly
How about "cruising on sunlight."
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Are you sure? I saw a YouTube drop test video and the iPhone X survived multiple drops from head height (~66") onto concrete without breaking, but the iPhone 8 shattered. https://www.youtube.com/watch?v=8vHCBwJVeO4 I've dropped my case-less iPhone X 5 feet onto bathroom tile and not even a noticeable scratch afterwards.
https://www.test.de/Apple-iPhone-X-Das-zerbrechlichste-iPhon... (German Consumer report: iPhone X is most brittle of all iPhones)
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At 7 lbs a gallon for diesel most semis can carry 200 gallons so add an extra 1000lbs if you like, the Tesla still has to make up 5000 lbs while having 1/3rd the range. Timing stops for megachargers will be a whole lot more difficult than truck stops until they are as ubiquitous. If you have to use a plain old supercharger your talking 8-10 hours for a charge, don't even bother with a normal plug of any kind.
At least the weight will be (measurably) consistent no matter how much charge is in the battery. That said, they still weigh more than diesel so I assume they'll pay more at the scales.
I'm not sure what you mean here. In the US, scales are used to ensure compliance with axle load limits, not to determine any costs.
In any case, since they don't need the weight of a diesel engine, transmission, fuel tanks, or emissions systems I'm not sure how the weight balance will work out.
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Right - I was going to ask if I took an American truck mechanic to Europe and stood him by a highway, he’d look at all the trucks and say ‘those will never work, the windshields are too big and the engine’s inaccessible and all those fairing panels look fragile.’
I believe the main reason for why European trucks look soi different is regulations. European trucks have a length limit that covers the tractor as well as the trailer. Because you want to maximize the cargo space, the tractor is made as short as possible and gets this very un-aerodynamic shape. The truck in essence gets the shape that best fills in all permitted space. In addition they don't have plows or similar th…
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I believe the main reason for why European trucks look soi different is regulations. European trucks have a length limit that covers the tractor as well as the trailer. Because you want to maximize the cargo space, the tractor is made as short as possible and gets this very un-aerodynamic shape. The truck in essence gets the shape that best fills in all permitted space. In addition they don't have plows or similar th…
Huh, how do American trucks look?
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Sorry, for not checking Wikipedia. Because I work in the industry as an electrical engineer defining standards, and owning a historic truck myself just for fun, because I can. Originally, it is right that retarders were introduced to just having a non-destructive brake by just wasting the energy. That was around the 1980s. This was just to save maintenance cost as brakes were a big part of that costs. The trucking in…
What fraction of the energy recovered by braking is actually stored? I would have thought the battery on a non-electric or non-hybrid truck would be far too small. Surely the battery gets topped off and then the extra power is dumped as heat right? Is the energy from braking really so small that it can't even fully charge the starter battery? Honest questions. I figured that since regenerative braking in cars seems t…
It is always the question of what type of truck you are running. Do you just have storage goods, or do you have goods that need refrigeration? In the later you need energy to power that. As your truck does not know in advance what kind of trailer will be towed (connected, what is the right word?) the truck needs to be prepared.
Yes, extra power is dumped. But that is true for any kind of vehicle.
> Or is it because of the nature of long-haul trips? I know hybrids have much less advantage on the highway, maybe for long-haul trips the ratio of energy lost as air friction to energy lost in braking is vastly different.
Actually, Hybrid is very good concept for long-haul. Because on highways you can do coasting (sailing as we say in German) very efficient when you are in cruise control. Because with all the little hills up and down at the same speed, hybrid takes its full advantage.
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Elon says that the truck will be charged by the end of the 30 minute DOT required break (14:06 into the livestream: https://livestream.tesla.com/ ).
That's with a megacharger not a supercharger, there are no megachargers deployed anywhere yet. Megachargers are 1600 kilowatts vs 120 kilwoatts for a supercharger. A charging station with 10 megachargers going at the same time will draw as much power as a small city of say 10,000 homes.
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Elon says that the truck will be charged by the end of the 30 minute DOT required break (14:06 into the livestream: https://livestream.tesla.com/ ).
Is that possible? Assuming 500 miles of range at 2kwh a mile is a 1000kwh battery, charged over 30 minutes, is 2 megawatts, if the voltage is the same as the supercharger (480V) requires 4000 amps...
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Merging into freeways is always a problem and a hazard to everyone involved. Quick acceleration makes highway safer. More pulling power also means less slow trucks on grades and less jams around them. It is of course irrelevant for the bright future where are no human drivers.
For quantifying discrete objects, you should use "fewer", not "less". "Less" is used for aggregates, continuous media, and numeric values. So, "fewer people", but "less water".
You can't use fewer in some places, but the insistence that if you can use it then you must is an zombie rule. If "less" sounds right it's fine.