Re: Maglev and the BBC web site

Dave wrote:

I disagree. It mentions "too expensive" without doing a price
comparison - it just pulls the incorrect figure of "five times as
expensive" out of the hat without giving a conventional line's price.

Not true - it does compare the cost of maglev with the cost of
building LsGV in France:

::: The cost of the maglev railway in Shanghai worked out at a whopping
::: $63m (£33m) per mile. This compares with the $11m-per-mile cost of
::: recent extensions to France's traditional high-speed rail network.

....which is nearer 6 times the cost, rather than five times as they
said. Factor in that entirely new alignments will be needed into and
through cities, where land prices are likely to be higher (I'm not an
expert on Chinese property prices but I'm guessing they are lower than
London), thus increasing the differential between maglev and
conventional high speed rail.

Again, if we are going to talk about energy consumption then please
let's have some figures, some consideration of energy sources and some
consideration of the competition. Sure, maglev goes faster and it
takes more energy to do that on a per train basis, but there are less
trains in the system

Energy costs are typically quoted on a 'per mile' or 'per passenger
mile' rate, which makes this issue irrelevant. These costs won't be
susceptible to the fact that fewer (not less) trains will be needed.

and they are dispelling modes of transport that as yet cannot be
powered by 100% renewable energy.

Say what? Maglevs will be powered by National Grid electricity. Two of
the three main intercity routes in Britain are currently powered by
.... National Grid electricity. Any improvements to electricity
generation will be just as applicable to electric trains as to maglev.

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Stevie D
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