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A train operates at 25000 watts
Are you sure it wasn't 25 kWh per km, rather than 25 kW average power ?
I found a thing that says a train's CdA is about 2.8m2, so that would mean if all 700 passengers are pedalling all the way at 200W, you could eventually get it up to about 95 mph.
Nick.Earthloop-
Are you sure it wasn't 25 kWh per km, rather than 25 kW average power ?
It was a caption in a GCSE science text book... Fermi calculation and all that.
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95mph. Not on the lines up north, what with cows,leaves,morons,etc on the line. And really why does snow stop a train... Stick a big plough on the bloody thing it's heavy enough. (Yes I know I hideously over simplified it)
Backstop
climbingsidrat
A train operates at 25000 watts, a human outputs 400ish, 700 people on a train, as long as everyone takes a turn I say it's feasible