The answer is in every public transport franchise contract. "95% of trains/planes/whatever to arrive within 5 minutes of schedule with an on time median" You get paid as long as not more than 5% crash or fall into the sea.
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BTW, you do realise that all the arguments you have put forward for not going electric, are the same as you could have used a hundred years ago for why ICE vehicles couldn't be practical, don't you?Electric vehicles cars were indeed on the road 100 years ago. The reasons I give explain why they have not superseded ICE vehicles to date, and why the infrastructure and environmental costs of rapid adoption of electric cars are unacceptable.
Quote from: alancalverd on Yesterday at 21:50:151 liter per second, not per minute. The use of petroleum hydrocarbons as fuel seems rational: non-corrosive, low toxicity, stable, easily vaporised, high energy density, controlled burn....which is why the lighter hydrocarbons are used as primary fuel for the power stations that we will have to build to charge all the electric cars.
It has a precise meaning in this context. It is...
The product of an arbitrary choice of 1 l/m and the heat of the reaction of oxygen with an oily hydrocarbon.
If the nice man from the AA turned up, he wouldn't need to bring as much energy with him to get you home, because electric cars waste less.At the point of use, about 50% less. But instead of a gallon can, poured into the spout in a few seconds, he will have to bring a 400V battery that happens to fit your car, or a 30 kW (diesel, i.e. 60 kW) generator and connecting lead and spend over an hour charging your car so you can drive to the next motorway charging station.
It is "the accountant's answer" - complete, correct, and utterly useless.It means that the wearer thinks it is useful or beautiful, or has been told to wear it by someone who controls him.The same is true of trousers, but it hardly answers the question.
So, as I said before, the 40MW rate is meaningless.It has a precise meaning in this context. It is part of what determines the utility of a liquid-fuelled car. A small car can carry a 2 GJ energy store and recharge it in less than a minute, so you don't need many charging stations to keep everyone moving. If you run out of "juice" in the middle of nowhere the nice man from the AA can bring you 200 MJ in a can, ready for immediate use.
- Olympics in an empty stadium, anyone?Why not? We've seen plenty of football, rugby and cricket played to the TV audience. A TV-based competition could make sailing a spectator sport, and bring back gliding (intended for the 1940 Olympics but some stupid war got in the way) where most of the action takes place 5000 feet up and 100 miles away from the finish line.
Only if its focal distance is 7.5 x 1013m, giving its radius of curvature of 1.5 x 1014m - what most engineers would call "flat within spec".The spec would be " a sphere".
Best tell the people who bore tunnels.
They think that circular cross sections are wonderful.
Have you heard anyone complaining that we couldn't use methanol as a fuel because it would "only" deliver about 20 MW at that flow rate?Being very old and stuck in my conventional ways, I think there is a big difference between 20 MW and 20 kW. It's like the difference between an asset and a burden. But the young have more time on their hands, I guess.
There was something that always annoyed me about the book "The Lord of the flies"I had the same problem. Two story lines that couldn't possibly coexist. Turned me into a teenage skeptic.
On the other hand, I did talk about a concave structure- albeit a big one.Only if its focal distance is 7.5 x 1013m, giving its radius of curvature of 1.5 x 1014m - what most engineers would call "flat within spec".
It's not flat but it does focus the Sun's rays back onto the Sun