HiddenLayer555@lemmy.ml to Videos@lemmy.worldEnglish · edit-221 days agoWhy don't railroads need expansion joints?www.youtube.comexternal-linkmessage-square33fedilinkarrow-up196arrow-down17file-text
arrow-up189arrow-down1external-linkWhy don't railroads need expansion joints?www.youtube.comHiddenLayer555@lemmy.ml to Videos@lemmy.worldEnglish · edit-221 days agomessage-square33fedilinkfile-text
Practical Engineering’s video on this is also really good: https://www.youtube.com/watch?v=zqmOSMAtadc
minus-squarePeppycito@sh.itjust.workslinkfedilinkarrow-up4·edit-221 days ago TLDW: skipped through until 25:47: the rail doesnt lengthen it just extends to the tops and sides. That isn’t really true though. He never talked about ‘sun kink’ which is a thing. Apparently mostly due to poor ties and bedding. There’s a neat discussion I found on some forum So it appears the topic wasn’t able to be covered fully in 30 minutes, let alone 5. But I do agree he adds a lot of fluff and it gets annoying. The thermite manufacturing guy needs a channel.
That isn’t really true though. He never talked about ‘sun kink’ which is a thing. Apparently mostly due to poor ties and bedding.
There’s a neat discussion I found on some forum
So it appears the topic wasn’t able to be covered fully in 30 minutes, let alone 5. But I do agree he adds a lot of fluff and it gets annoying. The thermite manufacturing guy needs a channel.