Subject:
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Re: what is the use of a caboose?
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Newsgroups:
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lugnet.trains
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Date:
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Wed, 1 Aug 2001 20:57:04 GMT
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Viewed:
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1106 times
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In lugnet.trains, James Powell writes:
> Actually, flywheel is perfectly practical.
Not disputing that. Just not sure that a 30K RPM graphite in an evacuated
can with magnetic bearings is, at this moment, "perfectly" practical. Not
just yet.
But the notion of powering up at stops (think regular electric bus poles
that instead contact large pads overhead to get power, or as you say,
induction loops) is attractive and finesses the charge duration problem.
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Message has 1 Reply:
 | | Re: what is the use of a caboose?
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| (...) On similar lines London Underground has a proposal for (and is testing) a scheme using flywheels mounted trackside. The principle is that current generated by braking trains (back EMF?) drive the flywheels and accelerating trains use the (...) (23 years ago, 2-Aug-01, to lugnet.trains)
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Message is in Reply To:
| | Re: what is the use of a caboose?
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| (...) Actually, flywheel is perfectly practical. Sentinel (once again!) made a loco that was powered by, IIRC, 2 2 ton flywheels, and it was reasonably capable (but expensive). I tend to think that a flywheel drive system is more practical for bus (...) (23 years ago, 1-Aug-01, to lugnet.trains)
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