4 ms·
> But at the end of the day... what advantages would this ever have over electric trains that get their power from a third rail? No heavy electric motors and o
by bo0tzz 8y ago
> But at the end of the day... what advantages would this ever have over electric trains that get their power from a third rail?
No heavy electric motors and other equipment in the vehicle, for starters
- Gravityloss 8y agoFrom the article: > Fully loaded vehicles have a ratio of payload to dead-weight of about 1:1, which is up to three times better than conventional alternatives Might make sense for a small system. But electric machines have made huge advances in the last decades. Frequency converters, DC-DC converters, high torque permanent magnet motors etc are now very commonplace. For example in the workshop, electric tools have supplanted pressurized air ones.