what problems do superfast trains have that all trains did not have
Answers
Challenges for HS2
The most obvious challenge is to ensure HS2's full compliance with the Technical Specifications for Interoperability (TSIs), the standards that will allow high-speed trains from the continent to reach London, Birmingham, Manchester and Leeds.
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Answer:
Going fast on rails brings its own special set of problems. Human bodies are simply not built for rapid acceleration, we experience certain low frequency motions that create discomfort – a feeling of “motion sickness". We also experience rapid acceleration, for example, each time we take off and land in a plane.
Explanation:
It takes a huge amount of power to make trains faster because of the resistance of dense air at ground level (Getty Images)
It takes a huge amount of power to make trains faster because of the resistance of dense air at ground level (Getty Images)
Then there is the logistics of trying to send a train faster along a track. Going fast means pushing air out of the way, which also requires a lot of power. A train travelling at 300mph (480km/h) uses roughly 27 times more power than one travelling at 100mph (160km/h). And at ground level the air is a lot denser than it is at 35,000ft (10,600m) where airliners regularly cruise. That means more resistance, and therefore more vibrations.
But train operators and companies are pushing for ever-greater speeds, and they have been trying out a range of innovative designs that they hope will make trains go super-fast and be ultra-comfortable at the same time.
If trains could travel just in straight lines and without any dips, then high speeds would not be a big issue. It’s the bends and the ups and downs that create a problem, especially in Europe, with its many rivers and mountains and old train lines following long-travelled routes.
1. Uncomfortable journeys
2. Suspension sensors
3. Tilting doubt
4. Speed limits
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