top | item 18714734 (no title) Skye | 7 years ago There are trains that run in narrow tunnels in London (12 feet wide I think?). https://commons.wikimedia.org/wiki/File:Why_London_Undergrou... discuss order hn newest xvilka|7 years ago They have a huge problem with overheating because of the small gap between roof and a tunnel, it also reduces potential speed of the train. Skye|7 years ago IIRC the main heat source is the breaking of the trains combined with the high frequency of them. I suspect that using many cars will still release a lot of heat into the tunnels. load replies (1) em-bee|7 years ago i hope that with more modern technology that will be less of an issue.vacuum tunnels would work too,https://en.wikipedia.org/wiki/Vactrain https://en.wikipedia.org/wiki/Hyperloopnot sure if the hyperloop idea works for short distances.
xvilka|7 years ago They have a huge problem with overheating because of the small gap between roof and a tunnel, it also reduces potential speed of the train. Skye|7 years ago IIRC the main heat source is the breaking of the trains combined with the high frequency of them. I suspect that using many cars will still release a lot of heat into the tunnels. load replies (1) em-bee|7 years ago i hope that with more modern technology that will be less of an issue.vacuum tunnels would work too,https://en.wikipedia.org/wiki/Vactrain https://en.wikipedia.org/wiki/Hyperloopnot sure if the hyperloop idea works for short distances.
Skye|7 years ago IIRC the main heat source is the breaking of the trains combined with the high frequency of them. I suspect that using many cars will still release a lot of heat into the tunnels. load replies (1)
em-bee|7 years ago i hope that with more modern technology that will be less of an issue.vacuum tunnels would work too,https://en.wikipedia.org/wiki/Vactrain https://en.wikipedia.org/wiki/Hyperloopnot sure if the hyperloop idea works for short distances.
xvilka|7 years ago
Skye|7 years ago
em-bee|7 years ago
vacuum tunnels would work too,
https://en.wikipedia.org/wiki/Vactrain https://en.wikipedia.org/wiki/Hyperloop
not sure if the hyperloop idea works for short distances.