Y
HN Search
Hacker News Search
new
|
comments
|
top
|
jobs
tififtivfj
searching PlanetScale…
1.
▲
2.
▲
3.
▲
4.
▲
5.
▲
6.
▲
28 ms
·
1.
▲
by
tififtivfj
3y ago
No. I think your understanding is faulty. The rails are hundreds of meters long: the longitudinal expansion would still have to be accounted for somewhere. The rails are firmly fixed, longitudinally as well as laterally, with pretensionin